Mercurial > hg > nginx-site
annotate xml/en/docs/njs/reference.xml @ 2689:7e271437f12e
Updated writable variables info in r.variables and s.variables.
author | Yaroslav Zhuravlev <yar@nginx.com> |
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date | Fri, 19 Mar 2021 18:26:19 +0000 |
parents | dd2bbd104146 |
children | 3cbd6e440581 |
rev | line source |
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1 <?xml version="1.0"?> |
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2 |
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3 <!-- |
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4 Copyright (C) Nginx, Inc. |
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5 --> |
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6 |
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7 <!DOCTYPE article SYSTEM "../../../../dtd/article.dtd"> |
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8 |
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9 <article name="Reference" |
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10 link="/en/docs/njs/reference.html" |
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11 lang="en" |
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12 rev="72"> |
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13 |
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14 <section id="summary"> |
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15 |
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16 <para> |
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17 <link doc="index.xml">njs</link> provides objects, methods and properties |
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18 for extending nginx functionality. |
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19 </para> |
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20 |
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21 <para> |
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22 This reference contains only njs specific properties, methods and modules |
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23 not compliant with ECMAScript. |
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24 Definitions of njs properties and methods compliant with ECMAScript |
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25 can be found in |
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26 <link url="http://www.ecma-international.org/ecma-262/">ECMAScript |
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27 specification</link>. |
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28 List of all njs properties and methods can be found in |
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29 <link doc="compatibility.xml">Compatibility</link>. |
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30 </para> |
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31 |
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32 </section> |
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33 |
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34 |
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35 <section id="http_stream" name="nginx objects"> |
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36 |
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37 |
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38 <section id="http" name="HTTP Request"> |
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39 |
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40 <para> |
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41 The HTTP request object is available only in the |
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42 <link doc="../http/ngx_http_js_module.xml">ngx_http_js_module</link> module. |
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43 All string properties of the object are |
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44 <link id="string">byte strings</link>. |
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45 |
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46 <list type="tag"> |
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47 |
2353 | 48 <tag-name id="r_args"><literal>r.args{}</literal></tag-name> |
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49 <tag-desc> |
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50 request arguments object, read-only |
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51 </tag-desc> |
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52 |
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53 <tag-name id="r_done"><literal>r.done()</literal></tag-name> |
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54 <tag-desc> |
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55 after calling this function, |
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56 next data chunks will be passed to client without calling |
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57 <link doc="../http/ngx_http_js_module.xml" id="js_body_filter"/> |
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58 (<link doc="changes.xml" id="njs0.5.2">0.5.2</link>). |
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59 May be called only from the |
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60 <link doc="../http/ngx_http_js_module.xml" id="js_body_filter"/> function |
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61 </tag-desc> |
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62 |
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63 <tag-name id="r_error"><literal>r.error(<value>string</value>)</literal></tag-name> |
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64 <tag-desc> |
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65 writes a <literal>string</literal> to the error log |
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66 on the <literal>error</literal> level of logging |
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67 </tag-desc> |
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68 |
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69 <tag-name id="r_finish"><literal>r.finish()</literal></tag-name> |
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70 <tag-desc> |
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71 finishes sending a response to the client |
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72 </tag-desc> |
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73 |
2353 | 74 <tag-name id="r_headers_in"><literal>r.headersIn{}</literal></tag-name> |
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75 <tag-desc> |
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76 incoming headers object, read-only. |
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77 <para> |
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78 The <literal>Foo</literal> request header |
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79 can be accessed with the syntax: |
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80 <literal>headersIn.foo</literal> or <literal>headersIn['Foo']</literal>. |
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81 </para> |
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82 |
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83 <para> |
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84 The |
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85 <header>Authorization</header>, |
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86 <header>Content-Length</header>, |
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87 <header>Content-Range</header>, |
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88 <header>Content-Type</header>, |
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89 <header>ETag</header>, |
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90 <header>Expect</header>, |
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91 <header>From</header>, |
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92 <header>Host</header>, |
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93 <header>If-Match</header>, |
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94 <header>If-Modified-Since</header>, |
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95 <header>If-None-Match</header>, |
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96 <header>If-Range</header>, |
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97 <header>If-Unmodified-Since</header>, |
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98 <header>Max-Forwards</header>, |
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99 <header>Proxy-Authorization</header>, |
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100 <header>Referer</header>, |
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101 <header>Transfer-Encoding</header>, and |
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102 <header>User-Agent</header> |
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103 request headers can have only one field value |
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104 (<link doc="changes.xml" id="njs0.4.1">0.4.1</link>). |
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105 Duplicate field values in <header>Cookie</header> headers |
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106 are separated by semicolon (<literal>;</literal>). |
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107 Duplicate field values in all other request headers are separated by commas. |
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108 </para> |
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109 </tag-desc> |
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110 |
2331 | 111 <tag-name id="r_headers_out"><literal>r.headersOut{}</literal></tag-name> |
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112 <tag-desc> |
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113 outgoing headers object, writable. |
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114 <para> |
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115 The <header>Foo</header> response header |
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116 can be accessed with the syntax: |
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117 <literal>headersOut.foo</literal> or <literal>headersOut['Foo']</literal>. |
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118 </para> |
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119 |
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120 <para> |
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121 Field values of multi-value response headers |
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122 (<link doc="changes.xml" id="njs0.4.0">0.4.0</link>) |
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123 can be set with the syntax: |
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124 <example> |
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125 r.headersOut['Foo'] = ['a', 'b'] |
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126 </example> |
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127 where the output will be: |
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128 <example> |
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129 Foo: a |
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130 Foo: b |
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131 </example> |
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132 All previous field values of the <header>Foo</header> response header |
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133 will be deleted. |
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134 </para> |
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135 |
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136 <para> |
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137 For standard response headers |
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138 that accept only a single field value such as |
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139 <header>Content-Type</header>, |
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140 only the last element of the array will take effect. |
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141 Field values of the <header>Set-Cookie</header> response header |
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142 are always returned as an array. |
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143 Duplicate field values in |
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144 <header>Age</header>, |
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145 <header>Content-Encoding</header>, |
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146 <header>Content-Length</header>, |
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147 <header>Content-Type</header>, |
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148 <header>ETag</header>, |
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149 <header>Expires</header>, |
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150 <header>Last-Modified</header>, |
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151 <header>Location</header>, |
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152 <header>Retry-After</header> |
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153 response headers are ignored. |
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154 Duplicate field values in all other response headers |
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155 are separated by commas. |
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156 </para> |
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157 </tag-desc> |
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158 |
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159 <tag-name id="r_http_version"><literal>r.httpVersion</literal></tag-name> |
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160 <tag-desc> |
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161 HTTP version, read-only |
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162 </tag-desc> |
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163 |
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164 <tag-name id="r_internal_redirect"><literal>r.internalRedirect(<value>uri</value>)</literal></tag-name> |
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165 <tag-desc> |
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166 performs an |
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167 <link doc="../dev/development_guide.xml" id="http_request_redirection">internal |
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168 redirect</link> |
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169 to the specified <literal>uri</literal>. |
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170 If the uri starts with the “<literal>@</literal>” prefix, |
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171 it is considered a named location. |
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172 Redirected requests become internal and can access the |
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173 <link doc="../http/ngx_http_core_module.xml" id="internal">internal</link> |
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174 locations. |
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175 The actual redirect happens after the handler execution is completed. |
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176 <para> |
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177 <note> |
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178 After redirect, |
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179 a new njs VM is started in the target location, |
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180 the VM in the original location is stopped. |
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181 Values of nginx variables are kept |
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182 and can be used to pass information to the target location. |
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183 </note> |
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184 </para> |
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185 |
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186 </tag-desc> |
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187 |
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188 <tag-name id="r_log"><literal>r.log(<value>string</value>)</literal></tag-name> |
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189 <tag-desc> |
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190 writes a <literal>string</literal> to the error log |
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191 on the <literal>info</literal> level of logging |
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192 </tag-desc> |
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193 |
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194 <tag-name id="r_method"><literal>r.method</literal></tag-name> |
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195 <tag-desc> |
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196 HTTP method, read-only |
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197 </tag-desc> |
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198 |
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199 <tag-name id="r_parent"><literal>r.parent</literal></tag-name> |
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200 <tag-desc> |
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201 references the parent request object |
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202 </tag-desc> |
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203 |
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204 <tag-name id="r_remote_address"><literal>r.remoteAddress</literal></tag-name> |
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205 <tag-desc> |
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206 client address, read-only |
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207 </tag-desc> |
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208 |
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210 <tag-desc> | |
211 the property is deprecated since | |
212 <link doc="changes.xml" id="njs0.5.0">0.5.0</link>, | |
213 the <link id="r_request_buffer"><literal>r.requestBuffer</literal></link> or | |
214 <link id="r_request_text"><literal>r.requestText</literal></link> property | |
215 should be used instead. | |
216 </tag-desc> | |
217 | |
218 <tag-name id="r_request_buffer"><literal>r.requestBuffer</literal></tag-name> | |
219 <tag-desc> | |
220 client request body if it has not been written to a temporary file | |
221 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>). | |
222 To ensure that the client request body is in memory, | |
223 its size should be limited by | |
224 <link doc="../http/ngx_http_core_module.xml" id="client_max_body_size"/>, | |
225 and a sufficient buffer size should be set using | |
226 <link doc="../http/ngx_http_core_module.xml" id="client_body_buffer_size"/>. | |
227 The property is available only in the | |
228 <link doc="../http/ngx_http_js_module.xml" id="js_content"/> directive. | |
229 </tag-desc> | |
230 | |
231 <tag-name id="r_request_text"><literal>r.requestText</literal></tag-name> | |
232 <tag-desc> | |
233 the same as <link id="r_request_buffer"><literal>r.requestBuffer</literal></link>, | |
234 but returns a <literal>string</literal>. | |
235 Note that | |
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236 it may convert bytes invalid in UTF-8 encoding into the replacement character. |
2628 | 237 </tag-desc> |
238 | |
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239 <tag-name id="r_raw_headers_in"><literal>r.rawHeadersIn{}</literal></tag-name> |
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240 <tag-desc> |
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241 returns an array of key-value pairs |
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242 exactly as they were received from the client |
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243 (<link doc="changes.xml" id="njs0.4.1">0.4.1</link>). |
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244 <para> |
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245 For example, with the following request headers: |
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246 <example> |
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247 Host: localhost |
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248 Foo: bar |
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249 foo: bar2 |
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250 </example> |
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251 the output of <literal>r.rawHeadersIn</literal> will be: |
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252 <example> |
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253 [ |
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254 ['Host', 'localhost'], |
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255 ['Foo', 'bar'], |
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256 ['foo', 'bar2'] |
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257 ] |
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258 </example> |
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259 All <literal>foo</literal> headers |
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260 can be collected with the syntax: |
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261 <example> |
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262 r.rawHeadersIn.filter(v=>v[0].toLowerCase() == 'foo').map(v=>v[1]) |
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263 </example> |
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264 the output will be: |
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265 <example> |
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266 ['bar', 'bar2'] |
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267 </example> |
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268 Header field names are not converted to lower case, |
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269 duplicate field values are not merged. |
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270 </para> |
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271 </tag-desc> |
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272 |
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273 <tag-name id="r_raw_headers_out"><literal>r.rawHeadersOut{}</literal></tag-name> |
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274 <tag-desc> |
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275 returns an array of key-value pairs of response headers |
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276 (<link doc="changes.xml" id="njs0.4.1">0.4.1</link>). |
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277 Header field names are not converted to lower case, |
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278 duplicate field values are not merged. |
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279 </tag-desc> |
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280 |
2628 | 281 <tag-name id="r_response_body"><literal>r.responseBody</literal></tag-name> |
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282 <tag-desc> |
2628 | 283 the property is deprecated since |
284 <link doc="changes.xml" id="njs0.5.0">0.5.0</link>, | |
285 the <link id="r_response_buffer"><literal>r.responseBuffer</literal></link> | |
286 or | |
287 the <link id="r_response_text"><literal>r.responseText</literal></link> | |
288 property | |
289 should be used instead. | |
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290 </tag-desc> |
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291 |
2628 | 292 <tag-name id="r_response_buffer"><literal>r.responseBuffer</literal></tag-name> |
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293 <tag-desc> |
2628 | 294 holds the <link id="r_subrequest">subrequest</link> response body, |
295 read-only | |
296 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>). | |
297 The size of <literal>r.responseBuffer</literal> is limited by the | |
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298 <link doc="../http/ngx_http_core_module.xml" id="subrequest_output_buffer_size"/> |
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299 directive. |
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300 </tag-desc> |
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301 |
2628 | 302 <tag-name id="r_response_text"><literal>r.responseText</literal></tag-name> |
303 <tag-desc> | |
304 the same as <link id="r_response_buffer"><literal>r.responseBuffer</literal></link> | |
305 but returns a string | |
306 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>). | |
307 Note that | |
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308 it may convert bytes invalid in UTF-8 encoding into the replacement character. |
2628 | 309 </tag-desc> |
310 | |
311 <tag-name id="r_return"><literal>r.return(status[, | |
312 string | Buffer])</literal></tag-name> | |
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313 <tag-desc> |
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314 sends the entire response |
2628 | 315 with the specified <literal>status</literal> to the client. |
316 The response can be a string or Buffer | |
317 (<link doc="changes.xml" id="njs0.5.0">0.5.0</link>). | |
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318 <para> |
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319 It is possible to specify either a redirect URL |
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320 (for codes 301, 302, 303, 307, and 308) |
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321 or the response body text (for other codes) as the second argument |
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322 </para> |
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323 </tag-desc> |
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324 |
2628 | 325 <tag-name id="r_send"><literal>r.send(string |
326 | Buffer)</literal></tag-name> | |
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327 <tag-desc> |
2628 | 328 sends a part of the response body to the client. |
329 The data sent can be a string or Buffer | |
330 (<link doc="changes.xml" id="njs0.5.0">0.5.0</link>) | |
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331 </tag-desc> |
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332 |
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333 <tag-name id="r_sendbuffer"><literal>r.sendBuffer(<value>data</value>[, |
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334 <value>options</value>])</literal></tag-name> |
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335 <tag-desc> |
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336 adds data to the chain of data chunks to be forwarded to the next body filter |
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337 (<link doc="changes.xml" id="njs0.5.2">0.5.2</link>). |
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338 The actual forwarding happens later, |
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339 when the all the data chunks of the current chain are processed. |
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340 <para> |
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341 The data can be a string or Buffer. |
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342 The <literal>options</literal> is an object used |
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343 to override nginx buffer flags derived from an incoming data chunk buffer. |
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344 The flags can be overridden with the following flags: |
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345 <list type="tag"> |
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346 |
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347 <tag-name><literal>last</literal></tag-name> |
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348 <tag-desc> |
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349 boolean, |
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350 true if the buffer is the last buffer |
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351 </tag-desc> |
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352 |
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353 <tag-name><literal>flush</literal></tag-name> |
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354 <tag-desc> |
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355 boolean, |
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356 true if the buffer should have the <literal>flush</literal> flag |
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357 </tag-desc> |
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358 </list> |
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359 </para> |
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360 The method may be called only from the |
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361 <link doc="../http/ngx_http_js_module.xml" id="js_body_filter"/> function. |
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362 </tag-desc> |
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363 |
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364 <tag-name id="r_send_header"><literal>r.sendHeader()</literal></tag-name> |
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365 <tag-desc> |
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366 sends the HTTP headers to the client |
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367 </tag-desc> |
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368 |
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369 <tag-name id="r_status"><literal>r.status</literal></tag-name> |
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370 <tag-desc> |
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371 status, writable |
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372 </tag-desc> |
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373 |
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374 <tag-name id="r_subrequest"><literal>r.subrequest(<value>uri</value>[, |
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375 <value>options</value>[, <value>callback</value>]])</literal></tag-name> |
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376 <tag-desc> |
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377 creates a subrequest with the given <literal>uri</literal> and |
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378 <literal>options</literal>, and installs |
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379 an optional completion <literal>callback</literal>. |
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380 |
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381 <para> |
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382 A |
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383 <link doc="../dev/development_guide.xml.xml" id="http_subrequests">subrequest</link> |
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384 shares its input headers with the client request. |
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385 To send headers different from original headers to a proxied server, the |
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386 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_set_header"/> |
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387 directive can be used. |
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388 To send a completely new set of headers to a proxied server, the |
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389 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_pass_request_headers"/> |
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390 directive can be used. |
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391 </para> |
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392 |
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393 <para> |
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394 If <literal>options</literal> is a string, then it |
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395 holds the subrequest arguments string. |
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396 Otherwise, <literal>options</literal> is expected to be |
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397 an object with the following keys: |
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398 <list type="tag"> |
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399 <tag-name><literal>args</literal></tag-name> |
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400 <tag-desc> |
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401 arguments string, by default an empty string is used |
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402 </tag-desc> |
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403 <tag-name><literal>body</literal></tag-name> |
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404 <tag-desc> |
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405 request body, |
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406 by default the request body of the parent request object is used |
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407 </tag-desc> |
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408 |
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409 <tag-name><literal>method</literal></tag-name> |
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410 <tag-desc> |
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411 HTTP method, by default the <literal>GET</literal> method is used |
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412 </tag-desc> |
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413 |
2507 | 414 <tag-name><literal>detached</literal></tag-name> |
415 <tag-desc> | |
416 boolean flag (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>), | |
417 if <literal>true</literal>, the created subrequest is a detached subrequest. | |
418 Responses to detached subrequests are ignored. | |
419 Unlike ordinary subrequests, a detached subrequest | |
420 can be created inside a variable handler. | |
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421 The <literal>detached</literal> flag and callback argument |
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422 are mutually exclusive. |
2507 | 423 </tag-desc> |
424 | |
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425 </list> |
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426 </para> |
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427 |
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428 <para> |
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429 The completion <literal>callback</literal> receives |
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430 a subrequest response object with methods and properties |
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431 identical to the parent request object. |
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432 </para> |
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433 |
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434 <para> |
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435 Since <link doc="changes.xml" id="njs0.3.8">0.3.8</link>, |
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436 if a <literal>callback</literal> is not provided, |
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437 the <literal>Promise</literal> object |
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438 that resolves to the subrequest response object is returned. |
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439 </para> |
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440 </tag-desc> |
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441 |
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442 <tag-name id="r_uri"><literal>r.uri</literal></tag-name> |
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443 <tag-desc> |
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444 current <link doc="../http/ngx_http_core_module.xml" id="var_uri">URI</link> |
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445 in request, |
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446 <link doc="../http/ngx_http_core_module.xml" id="location">normalized</link>, |
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447 read-only |
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448 </tag-desc> |
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449 |
2628 | 450 <tag-name id="r_raw_variables"><literal>r.rawVariables{}</literal></tag-name> |
451 <tag-desc> | |
452 nginx <link id="r_variables">variables</link> as Buffers, | |
453 writable | |
454 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>) | |
455 </tag-desc> | |
456 | |
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457 <tag-name id="r_variables"><literal>r.variables{}</literal></tag-name> |
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458 <tag-desc> |
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459 nginx variables object, writable |
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460 (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>). |
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461 A variable can be writable only |
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462 if it is referenced in nginx configuration file. |
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463 Even so, some embedded variables still cannot be assigned a value (for example, |
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464 <link doc="../http/ngx_http_core_module.xml" id="var_http_"><literal>$http_</literal></link>). |
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465 </tag-desc> |
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466 |
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467 <tag-name id="r_warn"><literal>r.warn(<value>string</value>)</literal></tag-name> |
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468 <tag-desc> |
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469 writes a <literal>string</literal> to the error log |
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470 on the <literal>warning</literal> level of logging |
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471 </tag-desc> |
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472 |
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473 </list> |
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474 </para> |
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475 |
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476 </section> |
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477 |
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478 |
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479 <section id="stream" name="Stream Session"> |
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480 |
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481 <para> |
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482 The stream session object is available only in the |
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483 <link doc="../stream/ngx_stream_js_module.xml">ngx_stream_js_module</link> |
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484 module. |
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485 All string properties of the object are <link id="string">byte strings</link>. |
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486 </para> |
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487 |
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488 <para> |
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489 <list type="tag"> |
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490 |
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491 <tag-name id="s_allow"><literal>s.allow()</literal></tag-name> |
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492 <tag-desc> |
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493 an alias to |
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494 <link id="s_done"><literal>s.done(0)</literal></link> |
2337
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495 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>) |
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496 </tag-desc> |
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497 |
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498 <tag-name id="s_decline"><literal>s.decline()</literal></tag-name> |
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499 <tag-desc> |
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500 an alias to |
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501 <link id="s_done"><literal>s.done(-5)</literal></link> |
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Updated links to changes.xml in njs Reference.
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502 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>) |
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503 </tag-desc> |
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504 |
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505 <tag-name id="s_deny"><literal>s.deny()</literal></tag-name> |
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506 <tag-desc> |
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507 an alias to |
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508 <link id="s_done"><literal>s.done(403)</literal></link> |
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509 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>) |
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510 </tag-desc> |
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|
511 |
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512 <tag-name id="s_done"><literal>s.done([<value>code</value>]</literal>)</tag-name> |
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513 <tag-desc> |
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514 sets an exit <literal>code</literal> for the current |
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515 <link doc="../stream/stream_processing.xml">phase</link> handler |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
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516 to a code value, by default <literal>0</literal>. |
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517 The actual finalization happens when the js handler is completed |
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518 and all pending events, for example, from |
2679
8f3e9ff2785f
Corrected syntax of njs.on() and ngx.fetch() in njs Reference.
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diff
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519 <link id="ngx_fetch"><literal>ngx.fetch()</literal></link> or |
2670
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520 <link id="settimeout"><literal>setTimeout()</literal></link>, |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
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parents:
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diff
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|
521 are processed |
2337
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Updated links to changes.xml in njs Reference.
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522 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>). |
2670
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523 <para> |
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|
524 Possible code values: |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
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|
525 <list type="bullet"> |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
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|
526 |
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diff
changeset
|
527 <listitem> |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
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|
528 <literal>0</literal>— |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
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|
529 successful finalization, passing control to the next phase |
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Yaroslav Zhuravlev <yar@nginx.com>
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|
530 </listitem> |
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|
531 |
e53592a1d979
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|
532 <listitem> |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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|
533 <literal>-5</literal>— |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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|
534 undecided, passing control to the next handler of the current phase (if any) |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
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|
535 </listitem> |
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|
536 |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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|
537 <listitem> |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
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|
538 <literal>403</literal>— |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
539 access is forbidden |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
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|
540 </listitem> |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
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|
541 |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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|
542 </list> |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
543 </para> |
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Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
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|
544 May be called only from a phase handler function: |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
545 <link doc="../stream/ngx_stream_js_module.xml" id="js_access"><literal>js_access</literal></link> |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
546 or |
e53592a1d979
Improved descriptions of s.done, s.allow, s.decline, s.deny.
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parents:
2668
diff
changeset
|
547 <link doc="../stream/ngx_stream_js_module.xml" id="js_preread"><literal>js_preread</literal></link>. |
2247
0f16ef9a8dbe
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diff
changeset
|
548 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
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|
549 |
2570
44792f1ee284
Added IDs to methods in njs Reference.
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parents:
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diff
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|
550 <tag-name id="s_error"><literal>s.error(<value>string</value>)</literal></tag-name> |
2247
0f16ef9a8dbe
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Yaroslav Zhuravlev <yar@nginx.com>
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|
551 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
552 writes a sent <literal>string</literal> to the error log |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
2246
diff
changeset
|
553 on the <literal>error</literal> level of logging |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
554 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
555 |
2570
44792f1ee284
Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
556 <tag-name id="s_log"><literal>s.log(<value>string</value>)</literal></tag-name> |
2247
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
557 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
558 writes a sent <value>string</value> to the error log |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
559 on the <literal>info</literal> level of logging |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
560 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
561 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
562 <tag-name id="s_off"><literal>s.off(<value>eventName</value>)</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
563 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
564 unregisters the callback set by the <link id="s_on">s.on()</link> method |
2337
867fe207f13e
Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2332
diff
changeset
|
565 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>) |
2247
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|
566 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
567 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
2246
diff
changeset
|
568 <tag-name id="s_on"><literal>s.on(<value>event</value>, |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
569 <value>callback</value>)</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
570 <tag-desc> |
2579
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
571 registers a <literal>callback</literal> |
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
572 for the specified <literal>event</literal> |
2337
867fe207f13e
Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2332
diff
changeset
|
573 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>). |
2247
0f16ef9a8dbe
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diff
changeset
|
574 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
575 <para> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
576 An <literal>event</literal> may be one of the following strings: |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
577 <list type="tag"> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
578 <tag-name><literal>upload</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
579 <tag-desc> |
2628 | 580 new data (string) from a client |
2247
0f16ef9a8dbe
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Yaroslav Zhuravlev <yar@nginx.com>
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|
581 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
582 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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|
583 <tag-name><literal>download</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
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|
584 <tag-desc> |
2628 | 585 new data (string) to a client |
586 </tag-desc> | |
587 | |
588 <tag-name><literal>upstream</literal></tag-name> | |
589 <tag-desc> | |
590 new data (Buffer) from a client | |
591 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>) | |
592 </tag-desc> | |
593 | |
594 <tag-name><literal>downstream</literal></tag-name> | |
595 <tag-desc> | |
596 new data (Buffer) to a client | |
597 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>) | |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
598 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
599 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
600 </list> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
601 </para> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
602 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
603 <para> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
604 The completion callback has the following prototype: |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
605 <literal>callback(data, flags)</literal>, where |
2628 | 606 <literal>data</literal> is string or Buffer (depending on the event type) |
2247
0f16ef9a8dbe
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parents:
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changeset
|
607 <literal>flags</literal> is an object |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
608 with the following properties: |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
609 <list type="tag"> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
610 <tag-name id="s_on_callback_last"><literal>last</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
611 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
612 a boolean value, true if data is a last buffer. |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
613 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
614 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
615 </list> |
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Created "nginx objects" section in reference.xml.
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616 </para> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
617 </tag-desc> |
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Created "nginx objects" section in reference.xml.
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parents:
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|
618 |
2570
44792f1ee284
Added IDs to methods in njs Reference.
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diff
changeset
|
619 <tag-name id="s_remote_address"><literal>s.remoteAddress</literal></tag-name> |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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|
620 <tag-desc> |
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Created "nginx objects" section in reference.xml.
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|
621 client address, read-only |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
622 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
623 |
2628 | 624 <tag-name id="s_raw_variables"><literal>s.rawVariables</literal></tag-name> |
625 <tag-desc> | |
626 nginx <link id="s_variables">variables</link> as Buffers, | |
627 writable | |
628 (since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>) | |
629 </tag-desc> | |
630 | |
2247
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|
631 <tag-name id="s_send"><literal>s.send(<value>data</value>[, |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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|
632 <value>options</value>])</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
633 <tag-desc> |
2667
2085eb315672
Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
634 adds data to the chain of data chunks that will be forwarded in |
2085eb315672
Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2666
diff
changeset
|
635 the forward direction: |
2085eb315672
Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2666
diff
changeset
|
636 in download callback to a client; in upload to an upstream server |
2337
867fe207f13e
Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2332
diff
changeset
|
637 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>). |
2667
2085eb315672
Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2666
diff
changeset
|
638 The actual forwarding happens later, |
2085eb315672
Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2666
diff
changeset
|
639 when the all the data chunks of the current chain are processed. |
2085eb315672
Updated description of s.send in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
640 <para> |
2628 | 641 The data can be a string or Buffer |
642 (<link doc="changes.xml" id="njs0.5.0">0.5.0</link>). | |
2247
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Created "nginx objects" section in reference.xml.
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diff
changeset
|
643 The <literal>options</literal> is an object used |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
644 to override nginx buffer flags derived from an incoming data chunk buffer. |
2579
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
645 The flags can be overridden with the following flags: |
2247
0f16ef9a8dbe
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parents:
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|
646 <list type="tag"> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
647 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
648 <tag-name><literal>last</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
2246
diff
changeset
|
649 <tag-desc> |
2579
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
650 boolean, |
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
651 true if the buffer is the last buffer |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
652 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
653 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
654 <tag-name><literal>flush</literal></tag-name> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
655 <tag-desc> |
2579
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
656 boolean, |
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
657 true if the buffer should have the <literal>flush</literal> flag |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
658 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
659 </list> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
660 </para> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
661 The method can be called multiple times per callback invocation. |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
662 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
663 |
2665
529114f1108a
Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2663
diff
changeset
|
664 <tag-name id="s_status"><literal>s.status</literal></tag-name> |
529114f1108a
Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2663
diff
changeset
|
665 <tag-desc> |
529114f1108a
Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
666 session status code, an alias to the |
529114f1108a
Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2663
diff
changeset
|
667 <link doc="../stream/ngx_stream_core_module.xml" id="var_status"><literal>$status</literal></link> |
529114f1108a
Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2663
diff
changeset
|
668 variable, |
529114f1108a
Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
669 read only |
529114f1108a
Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2663
diff
changeset
|
670 (since <link doc="changes.xml" id="njs0.5.2">0.5.2</link>) |
529114f1108a
Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2663
diff
changeset
|
671 </tag-desc> |
529114f1108a
Documented s.status property in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2663
diff
changeset
|
672 |
2338
39ac205f90b7
Documented that r.variables{} and s.variables{} are writable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2337
diff
changeset
|
673 <tag-name id="s_variables"><literal>s.variables{}</literal></tag-name> |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
674 <tag-desc> |
2338
39ac205f90b7
Documented that r.variables{} and s.variables{} are writable.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2337
diff
changeset
|
675 nginx variables object, writable |
2689
7e271437f12e
Updated writable variables info in r.variables and s.variables.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2688
diff
changeset
|
676 (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>). |
7e271437f12e
Updated writable variables info in r.variables and s.variables.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2688
diff
changeset
|
677 A variable can be writable only |
7e271437f12e
Updated writable variables info in r.variables and s.variables.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2688
diff
changeset
|
678 if it is referenced in nginx configuration file. |
7e271437f12e
Updated writable variables info in r.variables and s.variables.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2688
diff
changeset
|
679 Even so, some embedded variables still cannot be assigned a value. |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
680 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
2246
diff
changeset
|
681 |
2570
44792f1ee284
Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2569
diff
changeset
|
682 <tag-name id="s_warn"><literal>s.warn(<value>string</value>)</literal></tag-name> |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
683 <tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
684 writes a sent <literal>string</literal> to the error log |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
685 on the <literal>warning</literal> level of logging |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
686 </tag-desc> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
687 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
688 </list> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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changeset
|
689 </para> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
2246
diff
changeset
|
690 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
2246
diff
changeset
|
691 </section> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
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parents:
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diff
changeset
|
692 |
2628 | 693 |
2653
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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changeset
|
694 <section id="response" name="Response"> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
695 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
2647
diff
changeset
|
696 <para> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
697 The <literal>Response</literal> interface is available since |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
698 <link doc="changes.xml" id="njs0.5.1">0.5.1</link>. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
699 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
700 <list type="tag"> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
701 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
702 <tag-name id="response_arraybuffer"><literal>arrayBuffer()</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
703 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
704 Takes a <literal>Response</literal> stream and reads it to completion. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
705 Returns a <literal>Promise</literal> that resolves with |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
706 an <literal>ArrayBuffer</literal>. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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diff
changeset
|
707 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
708 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
709 <tag-name id="response_bodyused"><literal>bodyUsed</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
710 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
711 A boolean value, <literal>true</literal> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
712 if the body was read. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
713 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
714 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
715 <tag-name id="response_headers"><literal>headers</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
2647
diff
changeset
|
716 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
717 The <literal>Headers</literal> read-only object associated with the |
2668
e067ad74b0cd
Corrected links to Response Object in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2667
diff
changeset
|
718 <link id="response"><literal>Response</literal></link>: |
2653
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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diff
changeset
|
719 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
720 <list type="tag"> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
721 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
722 <tag-name id="headers_get"><literal>get(<value>name</value>)</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
723 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
724 returns a string containing the values of all headers with the specified name |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
725 separated by a comma and a space |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
726 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
727 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
2647
diff
changeset
|
728 <tag-name id="headers_getall"><literal>getAll(<value>name</value>)</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
729 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
730 returns an array containing the values of all headers with the specified name |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
731 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
732 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
733 <tag-name id="headers_has"><literal>has(<value>name</value>)</literal></tag-name> |
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|
734 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
735 returns a boolean value |
9fc25ea7a92c
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
736 indicating whether a header with the specified name exists |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
737 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
738 |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
739 </list> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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|
740 </tag-desc> |
9fc25ea7a92c
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
741 |
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Documented ngx.fetch and Response interface in njs.
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diff
changeset
|
742 <tag-name id="response_json"><literal>json()</literal></tag-name> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
743 <tag-desc> |
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Documented ngx.fetch and Response interface in njs.
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parents:
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diff
changeset
|
744 Takes a <literal>Response</literal> stream and reads it to completion. |
9fc25ea7a92c
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
745 Returns a <literal>Promise</literal> that resolves with |
9fc25ea7a92c
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
746 the result of parsing the body text as JSON. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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diff
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|
747 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
748 |
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diff
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|
749 <tag-name id="response_ok"><literal>ok</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
750 <tag-desc> |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
751 A boolean value, <literal>true</literal> |
9fc25ea7a92c
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parents:
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diff
changeset
|
752 if the response was successful (status codes between 200–299). |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
753 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
754 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
755 <tag-name id="response_redirect"><literal>redirected</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
756 <tag-desc> |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
757 A boolean value, <literal>true</literal> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
758 if the response is the result of a redirect. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
759 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
760 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
761 <tag-name id="response_status"><literal>status</literal></tag-name> |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
762 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
763 The status code of the response. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
764 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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diff
changeset
|
765 |
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Documented ngx.fetch and Response interface in njs.
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parents:
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changeset
|
766 <tag-name id="response_statustext"><literal>statusText</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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|
767 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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diff
changeset
|
768 The status message corresponding to the status code. |
9fc25ea7a92c
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
769 </tag-desc> |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
770 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
771 <tag-name id="response_text"><literal>text()</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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changeset
|
772 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
773 Takes a <literal>Response</literal> stream and reads it to completion. |
9fc25ea7a92c
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
774 Returns a <literal>Promise</literal> that resolves with a string. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
775 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
776 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
777 <tag-name id="response_type"><literal>type</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
778 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
779 The type of the response. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
780 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
781 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
782 <tag-name id="response_url"><literal>url</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
783 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
784 The URL of the response. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
785 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
786 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
787 </list> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
788 </para> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
789 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
790 </section> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
791 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
792 |
2628 | 793 <section id="ngx" name="ngx"> |
794 | |
795 <para> | |
796 The <literal>ngx</literal> global object is available | |
797 since <link doc="changes.xml" id="njs0.5.0">0.5.0</link>. | |
798 <list type="tag"> | |
799 | |
2653
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
800 <tag-name id="ngx_fetch"><literal>ngx.fetch(<value>url</value>, |
9fc25ea7a92c
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
801 [<value>options</value>])</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
802 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
803 Makes a request to fetch an URL |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
804 (<link doc="changes.xml" id="njs0.5.1">0.5.1</link>), |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
805 returns a <literal>Promise</literal> that resolves with |
2668
e067ad74b0cd
Corrected links to Response Object in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2667
diff
changeset
|
806 the <link id="response"><literal>Response</literal></link> object. |
2653
9fc25ea7a92c
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parents:
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diff
changeset
|
807 Only the <literal>http://</literal> scheme is supported, |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
808 redirects are not handled. |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
809 <para> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
810 The <literal>options</literal> parameter is expected to be an object |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
811 with the following keys: |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
812 <list type="tag"> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
813 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
814 <tag-name id="fetch_body"><literal>body</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
815 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
816 request body, |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
817 by default is empty |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
818 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
819 |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
820 <tag-name id="fetch_buffer_size"><literal>buffer_size</literal></tag-name> |
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Documented ngx.fetch and Response interface in njs.
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changeset
|
821 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
822 the buffer size for reading the response, |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
823 by default is <literal>4096</literal> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
824 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
825 |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
826 <tag-name id="fetch_headers"><literal>headers</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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changeset
|
827 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
828 request headers object |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
829 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
830 |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
831 <tag-name id="fetch_get"><literal>max_response_body_size</literal></tag-name> |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
832 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
833 the maximum size of the response body in bytes, |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
834 by default is <literal>32768</literal> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
835 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
836 |
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Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
837 <tag-name id="fetch_method"><literal>method</literal></tag-name> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
838 <tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
839 HTTP method, |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
840 by default the <literal>GET</literal> method is used |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
841 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
842 |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
843 </list> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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diff
changeset
|
844 Example: |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
845 <example> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
846 ngx.fetch('http://nginx.org/') |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
847 .then(reply => reply.text()) |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
848 .then(body => r.return(200, body)) |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
849 .catch(e => r.return(501, e.message)) |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
850 </example> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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diff
changeset
|
851 </para> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2647
diff
changeset
|
852 </tag-desc> |
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
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parents:
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diff
changeset
|
853 |
2628 | 854 <tag-name id="ngx_log"><literal>ngx.log</literal>(<value>level</value>, |
855 <value>message</value>)</tag-name> | |
856 <tag-desc> | |
857 Writes a message to the error log with the specified level of logging. | |
858 The <value>level</value> parameter specifies one of the log levels, | |
859 the <value>message</value> parameter can be a string or Buffer. | |
860 The following log levels can be specified: | |
861 <literal>ngx.INFO</literal>, | |
862 <literal>ngx.WARN</literal>, and | |
863 <literal>ngx.ERR</literal>. | |
864 </tag-desc> | |
2653
9fc25ea7a92c
Documented ngx.fetch and Response interface in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
865 |
2628 | 866 </list> |
867 </para> | |
868 | |
869 </section> | |
870 | |
2247
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
871 </section> |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
872 |
0f16ef9a8dbe
Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2246
diff
changeset
|
873 |
2687
7ff9d8bda757
Revised TOC in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2685
diff
changeset
|
874 <section id="builtin_objects" name="built-in objects"> |
2405
dbf68c949522
Documented the "process" global object.
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parents:
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diff
changeset
|
875 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
876 |
2666
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
877 <section id="njs" name="njs"> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
878 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
879 <para> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
880 The <literal>njs</literal> object is a global object |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
881 that represents the current VM instance |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
882 (since <link doc="changes.xml" id="njs0.2.0">0.2.0</link>). |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
883 </para> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
884 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
885 <para> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
886 <list type="tag"> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
887 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
888 <tag-name id="njs_version"><literal>njs.version</literal></tag-name> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
889 <tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
890 Returns a string with the current version of njs |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
891 (for example, “0.5.2”). |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
892 </tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
893 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
894 <tag-name id="njs_dump"><literal>njs.dump(<value>value</value>)</literal></tag-name> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
895 <tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
896 Returns the pretty-print string representation for a value. |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
897 </tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
898 |
2679
8f3e9ff2785f
Corrected syntax of njs.on() and ngx.fetch() in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2670
diff
changeset
|
899 <tag-name id="njs_on"><literal>njs.on(<value>event</value>, |
8f3e9ff2785f
Corrected syntax of njs.on() and ngx.fetch() in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2670
diff
changeset
|
900 <value>callback</value>)</literal></tag-name> |
2666
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
901 <tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
902 Registers a callback for the specified VM event |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
903 (since <link doc="changes.xml" id="njs0.5.2">0.5.2</link>). |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
904 An event may be one of the following strings: |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
905 <list type="tag"> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
906 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
907 <tag-name><literal>exit</literal></tag-name> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
908 <tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
909 is called before the VM is destroyed. |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
910 The callback is called without arguments. |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
911 </tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
912 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
913 </list> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
914 </tag-desc> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
915 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
916 </list> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
917 </para> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
918 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
919 </section> |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
920 |
68c0566a375f
Documented njs global object in njs Refernce.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2665
diff
changeset
|
921 |
2687
7ff9d8bda757
Revised TOC in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2685
diff
changeset
|
922 <section id="process" name="process"> |
2405
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
923 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
924 <para> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
925 The <literal>process</literal> object is a global object |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
926 that provides information about the current process |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
927 (<link doc="changes.xml" id="njs0.3.3">0.3.3</link>). |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
928 </para> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
929 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
930 <para> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
931 <list type="tag"> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
932 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
933 <tag-name id="process_argv"><literal>process.argv</literal></tag-name> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
934 <tag-desc> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
935 Returns an array that contains the command line arguments |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
936 passed when the current process was launched. |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
937 </tag-desc> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
938 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
939 <tag-name id="process_env"><literal>process.env</literal></tag-name> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
940 <tag-desc> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
941 Returns an object containing the user environment. |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
942 <note> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
943 By default, nginx removes all environment variables inherited |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
944 from its parent process except the TZ variable. |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
945 Use the <link doc="../ngx_core_module.xml" id="env"/> directive |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
946 to preserve some of the inherited variables. |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
947 </note> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
948 </tag-desc> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
949 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
950 <tag-name id="process_pid"><literal>process.pid</literal></tag-name> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
951 <tag-desc> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
952 Returns the PID of the current process. |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
953 </tag-desc> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
954 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
955 <tag-name id="process_ppid"><literal>process.ppid</literal></tag-name> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
956 <tag-desc> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
957 Returns the PID of the current parent process. |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
958 </tag-desc> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
959 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
960 </list> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
961 </para> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
962 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
963 </section> |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
964 |
dbf68c949522
Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2394
diff
changeset
|
965 |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
966 <section id="string" name="String"> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
967 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
968 <para> |
2315
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
969 There are two types of strings in njs: a Unicode string (default) and |
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
970 a byte string. |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
971 </para> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
972 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
973 <para> |
2315
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
974 A Unicode string corresponds to an ECMAScript string |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
975 which contains Unicode characters. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
976 </para> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
977 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
978 <para> |
2315
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
979 Byte strings contain a sequence of bytes |
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
980 and are used to serialize Unicode strings |
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|
981 to external data and deserialize from external sources. |
8e2b3aadc3ce
Added njs String object.
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parents:
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|
982 For example, the <link id="string_toutf8">toUTF8()</link> method serializes |
2688
dd2bbd104146
Unified spelling of UTF-8 in njs.
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parents:
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|
983 a Unicode string to a byte string using UTF-8 encoding: |
2186
8e2b3aadc3ce
Added njs String object.
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parents:
2183
diff
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|
984 <example> |
8e2b3aadc3ce
Added njs String object.
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parents:
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diff
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|
985 >> '£'.toUTF8().toString('hex') |
2688
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Unified spelling of UTF-8 in njs.
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parents:
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diff
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|
986 'c2a3' /* C2 A3 is the UTF-8 representation of 00A3 ('£') code point */ |
2186
8e2b3aadc3ce
Added njs String object.
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parents:
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diff
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|
987 </example> |
8e2b3aadc3ce
Added njs String object.
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parents:
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diff
changeset
|
988 The <link id="string_tobytes">toBytes()</link> method serializes |
8e2b3aadc3ce
Added njs String object.
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diff
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|
989 a Unicode string with code points up to 255 into a byte string, |
8e2b3aadc3ce
Added njs String object.
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|
990 otherwise, <literal>null</literal> is returned: |
8e2b3aadc3ce
Added njs String object.
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parents:
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diff
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|
991 <example> |
8e2b3aadc3ce
Added njs String object.
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parents:
2183
diff
changeset
|
992 >> '£'.toBytes().toString('hex') |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2212
diff
changeset
|
993 'a3' /* a3 is a byte equal to 00A3 ('£') code point */ |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
994 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
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2183
diff
changeset
|
995 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
996 <list type="tag"> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
997 |
2211
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
998 <tag-name id="string_bytesfrom"><literal>String.bytesFrom(<value>array</value> |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
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|
999 | <value>string</value>, <value>encoding</value>)</literal></tag-name> |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1000 <tag-desc> |
2569
2edc64c05b0e
Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2564
diff
changeset
|
1001 Creates a byte string either from an array that contains octets, |
2315
ae56e4613280
Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2313
diff
changeset
|
1002 or from an encoded string |
2337
867fe207f13e
Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2332
diff
changeset
|
1003 (<link doc="changes.xml" id="njs0.2.3">0.2.3</link>). |
2211
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1004 The encoding can be |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1005 <literal>hex</literal>, |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1006 <literal>base64</literal>, and |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1007 <literal>base64url</literal>. |
2605
0ec1e1b063d7
Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2604
diff
changeset
|
1008 The method is deprecated since |
0ec1e1b063d7
Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2604
diff
changeset
|
1009 <link doc="changes.xml" id="njs0.4.4">0.4.4</link>, |
0ec1e1b063d7
Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2604
diff
changeset
|
1010 the <literal>Buffer.from</literal> method should be used instead: |
2211
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1011 <example> |
2605
0ec1e1b063d7
Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2604
diff
changeset
|
1012 >> Buffer.from([0x62, 0x75, 0x66, 0x66, 0x65, 0x72]).toString() |
2211
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1013 'buffer' |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1014 |
2605
0ec1e1b063d7
Deprecated String.bytesFrom method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2604
diff
changeset
|
1015 >> Buffer.from('YnVmZmVy', 'base64').toString() |
2211
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1016 'buffer' |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1017 </example> |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1018 </tag-desc> |
660229c5c92f
Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2207
diff
changeset
|
1019 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
1020 <tag-name id="string_frombytes"><literal>String.prototype.fromBytes(<value>start</value>[, |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1021 <value>end</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1022 <tag-desc> |
2569
2edc64c05b0e
Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2564
diff
changeset
|
1023 Returns a new Unicode string from a byte string |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1024 where each byte is replaced with a corresponding Unicode code point. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1025 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1026 |
2267
c30048802769
Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2259
diff
changeset
|
1027 <tag-name id="string_fromutf8"><literal>String.prototype.fromUTF8(<value>start</value>[, |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1028 <value>end</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1029 <tag-desc> |
2688
dd2bbd104146
Unified spelling of UTF-8 in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2687
diff
changeset
|
1030 Converts a byte string containing a valid UTF-8 string |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1031 into a Unicode string, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1032 otherwise <literal>null</literal> is returned. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1033 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1034 |
2579
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
1035 <tag-name id="string_tobytes"><literal>String.prototype.toBytes(<value>start</value>[, |
63cef7604e0d
Minor review of njs Reference for typos and style.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2578
diff
changeset
|
1036 <value>end</value>])</literal></tag-name> |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1037 <tag-desc> |
2569
2edc64c05b0e
Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2564
diff
changeset
|
1038 Serializes a Unicode string to a byte string. |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1039 Returns <literal>null</literal> if a character larger than 255 is |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1040 found in the string. |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1041 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1042 |
2582
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1043 <tag-name id="string_tostring"><literal>String.prototype.toString(<value>encoding</value>)</literal></tag-name> |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1044 <tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1045 <para> |
2582
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1046 Encodes a string to |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1047 <literal>hex</literal>, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1048 <literal>base64</literal>, or |
2582
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1049 <literal>base64url</literal>: |
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1050 <example> |
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1051 >> 'αβγδ'.toString('base64url') |
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1052 'zrHOss6zzrQ' |
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1053 </example> |
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1054 Before version <link doc="changes.xml" id="njs0.4.3">0.4.3</link>, |
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1055 only a <link id="string_tobytes">byte string</link> could be encoded: |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1056 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1057 >> 'αβγδ'.toUTF8().toString('base64url') |
2214
e029f4bc7ede
Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2212
diff
changeset
|
1058 'zrHOss6zzrQ' |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1059 </example> |
2582
e162a71453b0
Improved String.prototype.toString() for ordinary strings in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2579
diff
changeset
|
1060 </para> |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1061 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1062 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1063 <tag-name id="string_toutf8"><literal>String.prototype.toUTF8(<value>start</value>[, |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1064 <value>end</value>])</literal></tag-name> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1065 <tag-desc> |
2569
2edc64c05b0e
Removed ECMAScript methods from njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2564
diff
changeset
|
1066 Serializes a Unicode string |
2688
dd2bbd104146
Unified spelling of UTF-8 in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2687
diff
changeset
|
1067 to a byte string using UTF-8 encoding. |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1068 <example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1069 >> 'αβγδ'.toUTF8().length |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1070 8 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1071 >> 'αβγδ'.length |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1072 4 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1073 </example> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1074 </tag-desc> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1075 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1076 </list> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1077 </para> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1078 |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1079 </section> |
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1080 |
2687
7ff9d8bda757
Revised TOC in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2685
diff
changeset
|
1081 </section> |
7ff9d8bda757
Revised TOC in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2685
diff
changeset
|
1082 |
7ff9d8bda757
Revised TOC in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2685
diff
changeset
|
1083 |
7ff9d8bda757
Revised TOC in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2685
diff
changeset
|
1084 <section id="webapi" name="web API"> |
7ff9d8bda757
Revised TOC in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2685
diff
changeset
|
1085 |
2186
8e2b3aadc3ce
Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2183
diff
changeset
|
1086 |
2585
7035221dbe37
Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2583
diff
changeset
|
1087 <section id="textdecoder" name="Text Decoder"> |
7035221dbe37
Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2583
diff
changeset
|
1088 |
7035221dbe37
Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2583
diff
changeset
|
1089 <para> |
7035221dbe37
Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2583
diff
changeset
|
1090 The <literal>TextDecoder</literal> |
7035221dbe37
Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2583
diff
changeset
|
1091 produces a stream of code points |
7035221dbe37
Documented TextDecoder and TextEncoder in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2583
diff
changeset
|
1092 from a stream of bytes |
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1093 (<link doc="changes.xml" id="njs0.4.3">0.4.3</link>). |
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1094 </para> |
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1095 |
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1096 <para> |
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1097 <list type="tag"> |
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1098 |
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1099 <tag-name><literal>TextDecoder([[<value>encoding</value>], |
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1100 <value>options</value>])</literal></tag-name> |
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1101 <tag-desc> |
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1102 Creates a new <literal>TextDecoder</literal> object |
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1103 for specified <literal>encoding</literal>, |
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1104 currently, only UTF-8 is supported. |
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1105 The <literal>options</literal> is |
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1106 <literal>TextDecoderOptions</literal> dictionary with the property: |
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1107 |
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1108 <list type="tag"> |
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1109 |
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1110 <tag-name><literal>fatal</literal></tag-name> |
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1111 <tag-desc> |
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1112 boolean flag indicating if |
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1113 <link id="textdecoder_decode"><literal>TextDecoder.decode()</literal></link> |
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1114 must throw the <value>TypeError</value> exception when |
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1115 a coding error is found, by default is <literal>false</literal>. |
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1116 </tag-desc> |
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1117 |
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1118 </list> |
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1119 </tag-desc> |
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1120 |
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1121 <tag-name id="textdecoder_encoding"><literal>TextDecoder.prototype.encoding</literal></tag-name> |
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1122 <tag-desc> |
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1123 Returns a string with the name of the encoding used by |
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1124 <link id="textdecoder"><literal>TextDecoder()</literal></link>, |
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1125 read-only. |
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1126 </tag-desc> |
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1127 |
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1128 <tag-name id="textdecoder_fatal"><literal>TextDecoder.prototype.fatal</literal></tag-name> |
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1129 <tag-desc> |
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1130 boolean flag, <literal>true</literal> if |
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1131 the error mode is fatal, |
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1132 read-only. |
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1133 </tag-desc> |
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1134 |
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1135 <tag-name id="textdecoder_ignorebom"><literal>TextDecoder.prototype.ignoreBOM</literal></tag-name> |
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1136 <tag-desc> |
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1137 boolean flag, <literal>true</literal> if |
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1138 the byte order marker is ignored, |
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1139 read-only. |
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1140 </tag-desc> |
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1141 |
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1142 <tag-name id="textdecoder_decode"><literal>TextDecoder.prototype.decode(<value>buffer</value>, |
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1143 [<value>options</value>])</literal></tag-name> |
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1144 <tag-desc> |
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1145 Returns a string with the text |
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1146 decoded from the <literal>buffer</literal> by |
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1147 <link id="textdecoder"><literal>TextDecoder()</literal></link>. |
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1148 The buffer can be <literal>ArrayBuffer</literal>. |
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1149 The <literal>options</literal> is |
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1150 <literal>TextDecodeOptions</literal> dictionary with the property: |
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1151 |
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1152 <list type="tag"> |
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1153 |
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1154 <tag-name><literal>stream</literal></tag-name> |
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1155 <tag-desc> |
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1156 boolean flag indicating if |
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1157 additional data will follow in subsequent calls to <literal>decode()</literal>: |
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1158 <literal>true</literal> if processing the data in chunks, and |
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1159 <literal>false</literal> for the final chunk |
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1160 or if the data is not chunked. |
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1161 By default is <literal>false</literal>. |
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1162 </tag-desc> |
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1163 |
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1164 </list> |
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1165 <example> |
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1166 >> (new TextDecoder()).decode(new Uint8Array([206,177,206,178])) |
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1167 αβ |
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1168 </example> |
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1169 </tag-desc> |
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1170 |
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1171 </list> |
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1172 </para> |
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1173 |
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1174 </section> |
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1175 |
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1176 |
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1177 <section id="textencoder" name="Text Encoder"> |
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1178 |
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1179 <para> |
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1180 The <literal>TextEncoder</literal> object |
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1181 produces a byte stream with UTF-8 encoding |
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1182 from a stream of code points |
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1183 (<link doc="changes.xml" id="njs0.4.3">0.4.3</link>). |
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1184 </para> |
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1185 |
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1186 <para> |
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1187 <list type="tag"> |
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1188 |
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1189 <tag-name><literal>TextEncoder()</literal></tag-name> |
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1190 <tag-desc> |
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1191 Returns a newly constructed <literal>TextEncoder</literal> |
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1192 that will generate a byte stream with UTF-8 encoding. |
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1193 </tag-desc> |
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1194 |
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1195 <tag-name id="textencoder_encode"><literal>TextEncoder.prototype.encode(<value>string</value>)</literal></tag-name> |
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1196 <tag-desc> |
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1197 Encodes <literal>string</literal> into a <literal>Uint8Array</literal> |
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1198 with UTF-8 encoded text. |
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1199 </tag-desc> |
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1200 |
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1201 <tag-name id="textencoder_encodeinto"><literal>TextEncoder.prototype.encodeInto(<value>string</value>, |
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1202 <value>uint8Array</value>)</literal></tag-name> |
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1203 <tag-desc> |
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1204 Encodes a <literal>string</literal> to UTF-8, |
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1205 puts the result into destination <literal>Uint8Array</literal>, and |
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1206 returns a dictionary object that shows the progress of the encoding. |
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1207 The dictionary object contains two members: |
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1208 |
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|
1209 <list type="tag"> |
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|
1210 |
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|
1211 <tag-name><literal>read</literal></tag-name> |
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1212 <tag-desc> |
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|
1213 the number of UTF-16 units of code from the source <literal>string</literal> |
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|
1214 converted to UTF-8 |
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|
1215 </tag-desc> |
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|
1216 |
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|
1217 <tag-name><literal>written</literal></tag-name> |
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|
1218 <tag-desc> |
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|
1219 the number of bytes modified in the destination <literal>Uint8Array</literal> |
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|
1220 </tag-desc> |
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|
1221 |
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|
1222 </list> |
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|
1223 </tag-desc> |
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|
1224 |
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|
1225 </list> |
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|
1226 </para> |
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|
1227 |
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|
1228 </section> |
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|
1229 |
2687
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|
1230 </section> |
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|
1231 |
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|
1232 |
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|
1233 <section id="njs_api_timers" name="timers"> |
2578
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|
1234 |
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|
1235 <para> |
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|
1236 <list type="tag"> |
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|
1237 |
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|
1238 <tag-name id="cleartimeout"><literal>clearTimeout(<value>timeout</value>)</literal></tag-name> |
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|
1239 <tag-desc> |
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|
1240 Cancels a <literal>timeout</literal> object |
2579
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|
1241 created by <link id="settimeout"><literal>setTimeout()</literal></link>. |
2578
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|
1242 </tag-desc> |
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|
1243 |
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|
1244 <tag-name id="settimeout"><literal>setTimeout(<value>function</value>, |
2579
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|
1245 <value>milliseconds</value>[, |
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|
1246 <value>argument1</value>, |
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|
1247 <value>argumentN</value>])</literal></tag-name> |
2578
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|
1248 <tag-desc> |
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|
1249 Calls a <literal>function</literal> |
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|
1250 after a specified number of <literal>milliseconds</literal>. |
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|
1251 One or more optional <literal>arguments</literal> |
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|
1252 can be passed to the specified function. |
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|
1253 Returns a <literal>timeout</literal> object. |
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|
1254 <example> |
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|
1255 function handler(v) |
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Restructured njs Reference.
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|
1256 { |
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Restructured njs Reference.
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|
1257 // ... |
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Restructured njs Reference.
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|
1258 } |
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Restructured njs Reference.
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|
1259 |
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|
1260 t = setTimeout(handler, 12); |
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|
1261 |
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|
1262 // ... |
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|
1263 |
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|
1264 clearTimeout(t); |
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|
1265 </example> |
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|
1266 </tag-desc> |
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|
1267 |
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|
1268 </list> |
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|
1269 </para> |
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|
1270 |
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|
1271 </section> |
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|
1272 |
2687
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|
1273 |
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|
1274 <section id="builtin_modules" name="built-in modules"> |
2578
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Restructured njs Reference.
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|
1275 |
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|
1276 |
2609
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|
1277 <section id="buffer" name="Buffer"> |
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|
1278 |
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|
1279 <para> |
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|
1280 <list type="tag"> |
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|
1281 |
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|
1282 <tag-name id="buffer_alloc"><literal>Buffer.alloc(<value>size</value>[, |
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|
1283 <value>fill</value>[, |
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|
1284 <value>encoding</value>]]))</literal></tag-name> |
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|
1285 <tag-desc> |
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|
1286 <para> |
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|
1287 Allocates a new Buffer of a specified <value>size</value>. |
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|
1288 If <value>fill</value> is not specified, the Buffer will be zero-filled. |
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|
1289 If <value>fill</value> is specified, |
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|
1290 the allocated Buffer will be initialized by calling |
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|
1291 <link id="buf_fill"><literal>buf.fill(fill)</literal></link>. |
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|
1292 If <value>fill</value> and <value>encoding</value> are specified, |
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|
1293 the allocated Buffer will be initialized by calling |
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|
1294 <link id="buf_fill"><literal>buf.fill(fill, |
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|
1295 encoding)</literal></link>. |
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|
1296 </para> |
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|
1297 |
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|
1298 <para> |
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1299 The <value>fill</value> parameter may be a |
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|
1300 <value>string</value>, |
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|
1301 <value>Buffer</value>, |
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|
1302 <value>Uint8Array</value>, or |
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|
1303 <value>integer</value>. |
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1304 </para> |
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1305 </tag-desc> |
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|
1306 |
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|
1307 <tag-name id="buffer_alloc_unsafe"><literal>Buffer.allocUnsafe(<value>size</value>)</literal></tag-name> |
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1308 <tag-desc> |
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|
1309 <para> |
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|
1310 The same as |
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|
1311 <link id="buffer_alloc"><literal>Buffer.alloc()</literal></link>, |
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|
1312 with the difference that the memory allocated for the buffer is not initialized, |
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|
1313 the contents of the new buffer is unknown and may contain sensitive data. |
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|
1314 </para> |
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|
1315 </tag-desc> |
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|
1316 |
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|
1317 <tag-name id="buffer_bytelength"><literal>Buffer.byteLength(<value>value</value>[, |
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|
1318 <value>encoding</value>])</literal></tag-name> |
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1319 <tag-desc> |
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|
1320 Returns the byte length of a specified value, |
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1321 when encoded using <value>encoding</value>. |
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|
1322 The value can be a |
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|
1323 <literal>string</literal>, |
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|
1324 <literal>Buffer</literal>, |
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|
1325 <literal>TypedArray</literal>, |
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|
1326 <literal>DataView</literal>, or |
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changeset
|
1327 <literal>ArrayBuffer</literal>. |
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diff
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|
1328 If the value is a <value>string</value>, |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1329 the <literal>encoding</literal> parameter is its encoding, can be |
2631
7da360f50017
Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1330 <value>utf8</value>, |
2609
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parents:
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diff
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|
1331 <value>hex</value>, |
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parents:
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diff
changeset
|
1332 <value>base64</value>, |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1333 <value>base64url</value>; |
2631
7da360f50017
Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2630
diff
changeset
|
1334 by default is <value>utf8</value>. |
2609
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1335 </tag-desc> |
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parents:
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diff
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|
1336 |
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Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
1337 <tag-name id="buffer_compare"><literal>Buffer.compare(<value>buffer1</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1338 <value>buffer2</value>)</literal></tag-name> |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1339 <tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1340 Compares <value>buffer1</value> with <value>buffer2</value> |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1341 when sorting arrays of Buffer instances. |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1342 Returns |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1343 <literal>0</literal> if |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1344 <value>buffer1</value> is the same as <value>buffer2</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1345 <literal>1</literal> if |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1346 <value>buffer2</value> should come before <value>buffer1</value> when sorted, or |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1347 <literal>-1</literal> if |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1348 <value>buffer2</value> should come after <value>buffer1</value> when sorted. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1349 </tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1350 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1351 <tag-name id="buffer_concat"><literal>Buffer.concat(<value>list</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1352 <value>totalLength</value>])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
1353 <tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1354 Returns a new Buffer |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1355 which is the result of concatenating all the Buffer instances in the list. |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1356 If there are no items in the list or the total length is 0, |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1357 a new zero-length Buffer is returned. |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1358 If <value>totalLength</value> is not specified, |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1359 it is calculated from the Buffer instances in list by adding their lengths. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1360 If <value>totalLength</value> is specified, |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1361 it is coerced to an unsigned integer. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1362 If the combined length of the Buffers in list exceeds |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1363 <value>totalLength</value>, |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1364 the result is truncated to <value>totalLength</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
1365 </tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1366 |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1367 <tag-name id="buffer_from_array"><literal>Buffer.from(<value>array</value>)</literal></tag-name> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1368 <tag-desc> |
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parents:
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diff
changeset
|
1369 Allocates a new Buffer using an array of bytes |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1370 in the range <literal>0</literal> – <literal>255</literal>. |
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parents:
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|
1371 Array entries outside that range will be truncated. |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1372 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1373 |
2612
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1374 <tag-name id="buffer_from_arraybuffer"><literal>Buffer.from(<value>arrayBuffer</value>, |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
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|
1375 <value>byteOffset</value>[, |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1376 <value>length</value>]])</literal></tag-name> |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
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|
1377 <tag-desc> |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1378 Creates a view of the <value>ArrayBuffer</value> |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1379 without copying the underlying memory. |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1380 The optional <value>byteOffset</value> and <value>length</value> arguments |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1381 specify a memory range within the <value>arrayBuffer</value> |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1382 that will be shared by the Buffer. |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1383 </tag-desc> |
6fdefb00858f
Documented Buffer.from(arrayBuffer) method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2609
diff
changeset
|
1384 |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1385 <tag-name id="buffer_from_buffer"><literal>Buffer.from(<value>buffer</value>)</literal></tag-name> |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1386 <tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1387 Copies the passed buffer data onto a new Buffer instance. |
99bd2ae8d2be
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parents:
2605
diff
changeset
|
1388 </tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1389 |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1390 <tag-name id="buffer_from_object"><literal>Buffer.from(<value>object</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1391 <value>offsetOrEncoding</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1392 <value>length</value>]])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1393 <tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1394 For objects whose <literal>valueOf()</literal> function |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1395 returns a value not strictly equal to object, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1396 returns |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1397 <literal>Buffer.from(object.valueOf()</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1398 <literal>offsetOrEncoding</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
2605
diff
changeset
|
1399 <literal>length</literal>). |
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Added Buffer to njs Reference.
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parents:
2605
diff
changeset
|
1400 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1401 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1402 <tag-name id="buffer_from_string"><literal>Buffer.from(<value>string</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1403 <value>encoding</value>])</literal></tag-name> |
99bd2ae8d2be
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parents:
2605
diff
changeset
|
1404 <tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1405 Creates a new Buffer with a <value>string</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1406 The <value>encoding</value> parameter identifies the character encoding |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1407 to be used when converting a string into bytes. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1408 The encoding can be |
2631
7da360f50017
Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2630
diff
changeset
|
1409 <literal>utf8</literal>, |
2609
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parents:
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diff
changeset
|
1410 <literal>hex</literal>, |
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Added Buffer to njs Reference.
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parents:
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diff
changeset
|
1411 <literal>base64</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1412 <literal>base64url</literal>; |
2631
7da360f50017
Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2630
diff
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|
1413 by default is <literal>utf8</literal>. |
2609
99bd2ae8d2be
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diff
changeset
|
1414 </tag-desc> |
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|
1415 |
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changeset
|
1416 <tag-name id="buffer_is_buffer"><literal>Buffer.isBuffer(<value>object</value>)</literal></tag-name> |
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changeset
|
1417 <tag-desc> |
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|
1418 A boolean value, |
99bd2ae8d2be
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diff
changeset
|
1419 returns <literal>true</literal> if <value>object</value> is a Buffer. |
99bd2ae8d2be
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|
1420 </tag-desc> |
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changeset
|
1421 |
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Yaroslav Zhuravlev <yar@nginx.com>
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changeset
|
1422 <tag-name id="buffer_is_encoding"><literal>Buffer.isEncoding(<value>encoding</value>)</literal></tag-name> |
99bd2ae8d2be
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|
1423 <tag-desc> |
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changeset
|
1424 A boolean value, |
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parents:
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diff
changeset
|
1425 returns <literal>true</literal> |
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parents:
2605
diff
changeset
|
1426 if encoding is the name of a supported character encoding. |
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parents:
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changeset
|
1427 </tag-desc> |
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changeset
|
1428 |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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changeset
|
1429 <tag-name id="buf_index"><literal>buffer[<value>index</value>]</literal></tag-name> |
99bd2ae8d2be
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parents:
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diff
changeset
|
1430 <tag-desc> |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1431 The index operator that can be used to get and set the octet |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1432 at position <literal>index</literal> in <literal>buffer</literal>. |
2609
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parents:
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diff
changeset
|
1433 The values refer to individual bytes, |
99bd2ae8d2be
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parents:
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diff
changeset
|
1434 so the legal value range is between 0 and 255 (decimal). |
99bd2ae8d2be
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parents:
2605
diff
changeset
|
1435 </tag-desc> |
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parents:
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diff
changeset
|
1436 |
99bd2ae8d2be
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parents:
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diff
changeset
|
1437 <tag-name id="buf_buffer"><literal>buf.buffer</literal></tag-name> |
99bd2ae8d2be
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parents:
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changeset
|
1438 <tag-desc> |
99bd2ae8d2be
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parents:
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diff
changeset
|
1439 The underlying <literal>ArrayBuffer</literal> object |
99bd2ae8d2be
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parents:
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diff
changeset
|
1440 based on which this Buffer object is created. |
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parents:
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diff
changeset
|
1441 </tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1442 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1443 <tag-name id="buf_byte_offset"><literal>buf.byteOffset</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1444 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1445 An integer, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1446 specifying the <literal>byteOffset</literal> of the Buffers |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1447 underlying <literal>ArrayBuffer</literal> object. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1448 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1449 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1450 <tag-name id="buf_compare"><literal>buf.compare(<value>target</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1451 <value>targetStart</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1452 <value>targetEnd</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1453 <value>sourceStart</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1454 <value>sourceEnd</value>]]]])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1455 <tag-desc> |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1456 Compares buffer with <value>target</value> and returns a number |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1457 indicating whether buffer comes before, after, or is the same |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1458 as <value>target</value> in sort order. |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1459 Comparison is based on the actual sequence of bytes in each Buffer. |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1460 The <literal>targetStart</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1461 the offset within <value>target</value> at which to begin comparison, |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1462 by default is 0. |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1463 The <literal>targetEnd</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1464 the offset within <value>target</value> at which to end comparison, |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1465 by default is <literal>target.length</literal>. |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1466 The <literal>sourceStart</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1467 the offset within buffer at which to begin comparison, |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1468 by default is 0. |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1469 The <literal>sourceEnd</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1470 the offset within buffer at which to end comparison (not inclusive), |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1471 by default is <literal>buf.length</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1472 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1473 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1474 <tag-name id="buf_copy"><literal>buf.copy(<value>target</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1475 <value>targetStart</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1476 <value>sourceStart</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1477 <value>sourceEnd</value>]]])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1478 <tag-desc> |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1479 Copies data from a region of buffer to a region in <value>target</value>, |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1480 even if the target memory region overlaps with buffer. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1481 The <literal>target</literal> parameter is a |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1482 <value>Buffer</value> or <value>Uint8Array</value> to copy into. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1483 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1484 <para> |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1485 The <literal>targetStart</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1486 the offset within target at which to begin writing, |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1487 by default is 0. |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1488 The <literal>sourceStart</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1489 the offset within buffer from which to begin copying, |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1490 by default is 0. |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1491 The <literal>sourceEnd</literal> is an integer specifying |
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1492 the offset within buffer at which to stop copying (not inclusive) |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1493 by default is <value>buf.length</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1494 </para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1495 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1496 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1497 <tag-name id="buf_equals"><literal>buf.equals(<value>otherBuffer</value>)</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1498 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1499 A boolean value, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1500 returns <literal>true</literal> if both Buffer and <value>otherBuffer</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1501 have exactly the same bytes. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1502 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1503 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1504 <tag-name id="buf_fill"><literal>buf.fill(<value>value</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1505 <value>offset</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1506 <value>end</value>]][, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1507 <value>encoding</value>])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1508 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1509 Fills the Buffer with the specified <value>value</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1510 If the <value>offset</value> and <value>end</value> are not specified, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1511 the entire Buffer will be filled. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1512 The <value>value</value> is coerced to <value>uint32</value> if it is not a |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1513 <literal>string</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1514 <literal>Buffer</literal>, or |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1515 <literal>integer</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1516 If the resulting integer is greater than 255, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1517 the Buffer will be filled with <value>value</value> and 255. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1518 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1519 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1520 <tag-name id="buf_includes"><literal>buf.includes(<value>value</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1521 <value>byteOffset</value>][, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1522 <value>encoding</value>])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1523 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
2605
diff
changeset
|
1524 Equivalent to |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1525 <link id="buf_indexof"><literal>buf.indexOf()</literal></link> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1526 <literal>!== -1</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1527 returns <literal>true</literal> if the <value>value</value> was found |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1528 in Buffer. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1529 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1530 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1531 <tag-name id="buf_indexof"><literal>buf.indexOf(<value>value</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1532 <value>byteOffset</value>][, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1533 <value>encoding</value>])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1534 <tag-desc> |
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Added Buffer to njs Reference.
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parents:
2605
diff
changeset
|
1535 Returns an integer which is the index of the first occurrence of |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1536 <value>value</value> in Buffer, or <value>-1</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1537 if Buffer does not contain value. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1538 The <value>value</value> can be a |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1539 <literal>string</literal> with specified <value>encoding</value> |
2631
7da360f50017
Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2630
diff
changeset
|
1540 (by default <value>utf8</value>), |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1541 <literal>Buffer</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1542 <literal>Unit8Array</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1543 or a number between 0 and 255. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1544 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1545 |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1546 <tag-name id="buf_lastindexof"><literal>buf.lastIndexOf(<value>value</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1547 <value>byteOffset</value>][, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1548 <value>encoding</value>])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1549 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
2605
diff
changeset
|
1550 The same as |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1551 <link id="buf_indexof"><literal>buf.indexOf()</literal></link>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1552 except the last occurrence of the <value>value</value> is found |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1553 instead of the first occurrence. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1554 The <value>value</value> can be a string, Buffer, or |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1555 integer between 1 and 255. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1556 If the <value>value</value> is an empty string or empty Buffer, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1557 <literal>byteOffset</literal> will be returned. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1558 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1559 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1560 <tag-name id="buf_length"><literal>buf.length</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
1561 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1562 Returns the number of bytes in Buffer. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1563 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1564 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1565 <tag-name id="buf_readintbe"><literal>buf.readIntBE(<value>offset</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1566 <value>byteLength</value>)</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1567 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1568 Reads the <value>byteLength</value> from <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1569 at the specified <value>offset</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1570 and interprets the result as a big-endian, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1571 two's complement signed value supporting up to 48 bits of accuracy. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1572 The <value>byteLength</value> parameter is an integer between 1 and 6 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1573 specifying the number of bytes to read. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1574 <para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1575 The similar methods are also supported: |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1576 <literal>buf.readInt8([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1577 <literal>buf.readInt16BE([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1578 <literal>buf.readInt32BE([offset])</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1579 </para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1580 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1581 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1582 <tag-name id="buf_readintle"><literal>buf.readIntLE(<value>offset</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1583 <value>byteLength</value>)</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1584 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1585 Reads the <value>byteLength</value> from <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1586 at the specified <value>offset</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1587 and interprets the result as a little-endian, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1588 two's complement signed value supporting up to 48 bits of accuracy. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1589 The <value>byteLength</value> parameter is an integer between 1 and 6 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1590 specifying the number of bytes to read. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1591 <para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1592 The similar methods are also supported: |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1593 <literal>buf.readInt8([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1594 <literal>buf.readInt16LE([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1595 <literal>buf.readInt32LE([offset])</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1596 </para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1597 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1598 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1599 <tag-name id="buf_readuintbe"><literal>buf.readUIntBE(<value>offset</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1600 <value>byteLength</value>)</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1601 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1602 Reads the <value>byteLength</value> from <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1603 at the specified <value>offset</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1604 and interprets the result as a big-endian |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1605 integer supporting up to 48 bits of accuracy. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1606 The <value>byteLength</value> parameter is an integer between 1 and 6 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1607 specifying the number of bytes to read. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1608 <para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1609 The similar methods are also supported: |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1610 <literal>buf.readUInt8([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1611 <literal>buf.readUInt16BE([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1612 <literal>buf.readUInt32BE([offset])</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1613 </para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1614 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1615 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1616 <tag-name id="buf_readuintle"><literal>buf.readUIntLE(<value>offset</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1617 <value>byteLength</value>)</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1618 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1619 Reads the <value>byteLength</value> from <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1620 at the specified <value>offset</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1621 and interprets the result as a little-endian |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1622 integer supporting up to 48 bits of accuracy. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1623 The <value>byteLength</value> parameter is an integer between 1 and 6 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1624 specifying the number of bytes to read. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1625 <para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1626 The similar methods are also supported: |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1627 <literal>buf.readUInt8([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1628 <literal>buf.readUInt16LE([offset])</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1629 <literal>buf.readUInt32LE([offset])</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1630 </para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1631 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1632 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1633 <tag-name id="buf_readdobulebe"><literal>buf.readDoubleBE</literal>([<value>offset</value>])</tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1634 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1635 Reads a 64-bit, big-endian double from <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1636 at the specified <value>offset</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1637 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1638 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1639 <tag-name id="buf_readdobulele"><literal>buf.readDoubleLE</literal>([<value>offset</value>])</tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1640 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1641 Reads a 64-bit, little-endian double from <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1642 at the specified <value>offset</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1643 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1644 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1645 <tag-name id="buf_readfloatbe"><literal>buf.readFloatBE</literal>([<value>offset</value>])</tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1646 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1647 Reads a 32-bit, big-endian float from <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1648 at the specified <value>offset</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1649 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1650 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1651 <tag-name id="buf_readfloatle"><literal>buf.readFloatLE</literal>([<value>offset</value>])</tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1652 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1653 Reads a 32-bit, little-endian float from <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1654 at the specified <value>offset</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1655 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1656 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1657 <tag-name id="buf_subarray"><literal>buf.subarray[<value>start</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1658 <value>end</value>]])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1659 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1660 Returns a new <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1661 that references the same memory as the original, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1662 but offset and cropped by |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1663 <value>start</value> and <value>end</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1664 If <value>end</value> is greater than |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1665 <link id="buf_length"><literal>buf.length</literal></link>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1666 the same result as that of end equal to |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1667 <link id="buf_length"><literal>buf.length</literal></link> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1668 is returned. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1669 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1670 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1671 <tag-name id="buf_slice"><literal>buf.slice[<value>start</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1672 <value>end</value>]])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1673 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1674 Returns a new <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1675 that references the same memory as the original, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1676 but offset and cropped by the |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1677 <value>start</value> and <value>end</value> values. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1678 The method is not compatible with the |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1679 <literal>Uint8Array.prototype.slice()</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1680 which is a superclass of Buffer. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1681 To copy the slice, use |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1682 <literal>Uint8Array.prototype.slice()</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1683 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1684 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1685 <tag-name id="buf_swap16"><literal>buf.swap16</literal>()</tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1686 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1687 Interprets <literal>buf</literal> as an array of unsigned 16-bit numbers |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1688 and swaps the byte order in-place. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1689 Throws an error if |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1690 <link id="buf_length"><literal>buf.length</literal></link> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1691 is not a multiple of 2. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1692 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1693 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1694 <tag-name id="buf_swap32"><literal>buf.swap32</literal>()</tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1695 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1696 Interprets <literal>buf</literal> as an array of unsigned 32-bit numbers |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1697 and swaps the byte order in-place. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1698 Throws an error if |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1699 <link id="buf_length"><literal>buf.length</literal></link> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1700 is not a multiple of 4. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1701 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1702 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1703 <tag-name id="buf_swap64"><literal>buf.swap64</literal>()</tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1704 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1705 Interprets <literal>buf</literal> as an array of 64-bit numbers |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1706 and swaps byte order in-place. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1707 Throws an error if |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1708 <link id="buf_length"><literal>buf.length</literal></link> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1709 is not a multiple of 8. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1710 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1711 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1712 <tag-name id="buf_tojson"><literal>buf.toJSON</literal>()</tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1713 <tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1714 Returns a JSON representation of <literal>buf.</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1715 <literal>JSON.stringify()</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1716 implicitly calls this function when stringifying a Buffer instance. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1717 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1718 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1719 <tag-name id="buf_tostring"><literal>buf.toString([<value>encoding</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1720 <value>start</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1721 <value>end</value>]]])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1722 <tag-desc> |
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Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1723 Decodes <literal>buf</literal> to a string |
2647
0085d9f7dc3f
Minor corrections in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2631
diff
changeset
|
1724 according to the specified character <value>encoding</value> |
2631
7da360f50017
Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2630
diff
changeset
|
1725 which can be <value>utf8</value>, |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1726 <value>hex</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1727 <value>base64</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1728 <value>base64url</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1729 The <value>start</value> and <value>end</value> parameters |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1730 may be passed to decode only a subset of Buffer. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1731 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1732 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1733 <tag-name id="buf_write"><literal>buf.write(<value>string</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1734 <value>offset</value>[, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1735 <value>length</value>]][, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1736 <value>encoding</value>])</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1737 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1738 Writes a <value>string</value> to <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1739 at <value>offset</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1740 according to the character <value>encoding</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1741 The <value>length</value> parameter is the number of bytes to write. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1742 If Buffer did not contain enough space to fit the entire string, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1743 only part of string will be written, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1744 however, partially encoded characters will not be written. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1745 The <value>encoding</value> can be |
2631
7da360f50017
Unified spelling of "utf-8" in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2630
diff
changeset
|
1746 <value>utf8</value>, |
2609
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1747 <value>hex</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1748 <value>base64</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1749 <value>base64url</value>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1750 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1751 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1752 <tag-name id="buf_writeintbe"><literal>buf.writeIntBE(<value>value</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1753 <value>offset</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1754 <value>byteLength</value>)</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1755 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1756 Writes <value>byteLength</value> bytes of <value>value</value> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1757 to <literal>buf</literal> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1758 at the specified <value>offset</value> as big-endian. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1759 Supports up to 48 bits of accuracy. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1760 The <value>byteLength</value> parameter is an integer between 1 and 6 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1761 specifying the number of bytes to read. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1762 <para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1763 The following similar methods are also supported: |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1764 <literal>buf.writeInt8</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1765 <literal>buf.writeInt16BE</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1766 <literal>buf.writeInt32BE</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1767 </para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1768 </tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
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parents:
2605
diff
changeset
|
1769 |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1770 <tag-name id="buf_writeintle"><literal>buf.writeIntLE(<value>value</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1771 <value>offset</value>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1772 <value>byteLength</value>)</literal></tag-name> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1773 <tag-desc> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1774 Writes <value>byteLength</value> bytes of <value>value</value> |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1775 to <literal>buf</literal> |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1776 at the specified <value>offset</value> as little-endian. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1777 Supports up to 48 bits of accuracy. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1778 The <value>byteLength</value> parameter is an integer between 1 and 6 |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1779 specifying the number of bytes to read. |
99bd2ae8d2be
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1780 <para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1781 The following similar methods are also supported: |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1782 <literal>buf.writeInt8</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1783 <literal>buf.writeInt16LE</literal>, |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1784 <literal>buf.writeInt32LE</literal>. |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1785 </para> |
99bd2ae8d2be
Added Buffer to njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2605
diff
changeset
|
1786 </tag-desc> |
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1787 |
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1788 <tag-name id="buf_writeuintbe"><literal>buf.writeUIntBE(<value>value</value>, |
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|
1789 <value>offset</value>, |
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|
1790 <value>byteLength</value>)</literal></tag-name> |
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|
1791 <tag-desc> |
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1792 Writes <value>byteLength</value> bytes of <value>value</value> |
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|
1793 to <literal>buf</literal> |
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|
1794 at the specified <value>offset</value> as big-endian. |
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|
1795 Supports up to 48 bits of accuracy. |
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|
1796 The <value>byteLength</value> parameter is an integer between 1 and 6 |
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|
1797 specifying the number of bytes to read. |
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|
1798 <para> |
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|
1799 The following similar methods are also supported: |
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|
1800 <literal>buf.writeUInt8</literal>, |
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|
1801 <literal>buf.writeUInt16BE</literal>, |
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|
1802 <literal>buf.writeUInt32BE</literal>. |
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|
1803 </para> |
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1804 </tag-desc> |
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1805 |
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1806 <tag-name id="buf_writeuintle"><literal>buf.writeUIntLE(<value>value</value>, |
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1807 <value>offset</value>, |
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1808 <value>byteLength</value>)</literal></tag-name> |
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1809 <tag-desc> |
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1810 Writes <value>byteLength</value> bytes of <value>value</value> |
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1811 to <literal>buf</literal> |
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1812 at the specified <value>offset</value> as little-endian. |
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1813 Supports up to 48 bits of accuracy. |
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1814 The <value>byteLength</value> parameter is an integer between 1 and 6 |
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1815 specifying the number of bytes to read. |
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|
1816 <para> |
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1817 The following similar methods are also supported: |
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1818 <literal>buf.writeUInt8</literal>, |
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1819 <literal>buf.writeUInt16LE</literal>, |
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1820 <literal>buf.writeUInt32LE</literal>. |
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|
1821 </para> |
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1822 </tag-desc> |
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1823 |
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1824 <tag-name id="buf_writedoublebe"><literal>buf.writeDoubleBE(<value>value</value>, |
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|
1825 [<value>offset</value>])</literal></tag-name> |
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1826 <tag-desc> |
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1827 Writes the <value>value</value> to <literal>buf</literal> |
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1828 at the specified <value>offset</value> as big-endian. |
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1829 </tag-desc> |
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1830 |
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1831 <tag-name id="buf_writedoublele"><literal>buf.writeDoubleLE(<value>value</value>, |
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1832 [<value>offset</value>])</literal></tag-name> |
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1833 <tag-desc> |
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1834 Writes the <value>value</value> to <literal>buf</literal> |
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1835 at the specified <value>offset</value> as little-endian. |
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1836 </tag-desc> |
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|
1837 |
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1838 <tag-name id="buf_writefloatbe"><literal>buf.writeFloatBE(<value>value</value>, |
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1839 [<value>offset</value>])</literal></tag-name> |
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1840 <tag-desc> |
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1841 Writes the <value>value</value> to <literal>buf</literal> |
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1842 at the specified <value>offset</value> as big-endian. |
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1843 </tag-desc> |
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1844 |
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1845 <tag-name id="buf_writefloatle"><literal>buf.writeFloatLE(<value>value</value>, |
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1846 [<value>offset</value>])</literal></tag-name> |
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1847 <tag-desc> |
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1848 Writes the <value>value</value> to <literal>buf</literal> |
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1849 at the specified <value>offset</value> as little-endian. |
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1850 </tag-desc> |
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1851 |
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1852 </list> |
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1853 </para> |
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1854 |
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1855 </section> |
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1856 |
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|
1857 |
2177 | 1858 <section id="crypto" name="Crypto"> |
1859 | |
1860 <para> | |
1861 The Crypto module provides cryptographic functionality support. | |
1862 The Crypto module object is returned by <literal>require('crypto')</literal>. | |
1863 </para> | |
1864 | |
1865 <para> | |
1866 <list type="tag"> | |
1867 | |
2267
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1868 <tag-name id="crypto_createhash"><literal>crypto.createHash(<value>algorithm</value>)</literal></tag-name> |
2177 | 1869 <tag-desc> |
1870 Creates and returns a <link id="crypto_hash">Hash</link> object | |
1871 that can be used to generate hash digests | |
1872 using the given <value>algorithm</value>. | |
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1873 The algorithm can be |
2177 | 1874 <literal>md5</literal>, |
1875 <literal>sha1</literal>, and | |
1876 <literal>sha256</literal>. | |
1877 </tag-desc> | |
1878 | |
2267
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1879 <tag-name id="crypto_createhmac"><literal>crypto.createHmac(<value>algorithm</value>, |
2177 | 1880 <value>secret key</value>)</literal></tag-name> |
1881 <tag-desc> | |
2579
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1882 Creates and returns an <link id="crypto_hmac">HMAC</link> object that uses |
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1883 the given <value>algorithm</value> and <value>secret key</value>. |
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1884 The algorithm can be |
2177 | 1885 <literal>md5</literal>, |
1886 <literal>sha1</literal>, and | |
1887 <literal>sha256</literal>. | |
1888 </tag-desc> | |
1889 | |
1890 </list> | |
1891 </para> | |
1892 | |
1893 | |
1894 <section id="crypto_hash" name="Hash"> | |
1895 | |
1896 <para> | |
1897 <list type="tag"> | |
1898 | |
2601 | 1899 <tag-name id="crypto_hash_update"><literal>hash.update(<value>data</value>)</literal></tag-name> |
2177 | 1900 <tag-desc> |
1901 Updates the hash content with the given <value>data</value>. | |
1902 </tag-desc> | |
1903 | |
2601 | 1904 <tag-name id="crypto_hash_digest"><literal>hash.digest([<value>encoding</value>])</literal></tag-name> |
2177 | 1905 <tag-desc> |
1906 Calculates the digest of all of the data passed using | |
1907 <literal>hash.update()</literal>. | |
1908 The encoding can be | |
1909 <literal>hex</literal>, | |
1910 <literal>base64</literal>, and | |
1911 <literal>base64url</literal>. | |
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1912 If encoding is not provided, a Buffer object |
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1913 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>) is returned. |
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1914 <note> |
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1915 Before version (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>), |
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1916 a byte string was returned instead of a Buffer object. |
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1917 </note> |
2177 | 1918 </tag-desc> |
1919 | |
1920 </list> | |
1921 </para> | |
1922 | |
1923 <para> | |
1924 <example> | |
1925 >> var cr = require('crypto') | |
1926 undefined | |
1927 | |
1928 >> cr.createHash('sha1').update('A').update('B').digest('base64url') | |
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1929 'BtlFlCqiamG-GMPiK_GbvKjdK10' |
2177 | 1930 </example> |
1931 </para> | |
1932 | |
1933 </section> | |
1934 | |
1935 | |
1936 <section id="crypto_hmac" name="HMAC"> | |
1937 | |
1938 <para> | |
1939 <list type="tag"> | |
1940 | |
2601 | 1941 <tag-name id="crypto_hmac_update"><literal>hmac.update(<value>data</value>)</literal></tag-name> |
2177 | 1942 <tag-desc> |
1943 Updates the HMAC content with the given <value>data</value>. | |
1944 </tag-desc> | |
1945 | |
2601 | 1946 <tag-name id="crypto_hmac_digest"><literal>hmac.digest([<value>encoding</value>])</literal></tag-name> |
2177 | 1947 <tag-desc> |
1948 Calculates the HMAC digest of all of the data passed using | |
1949 <literal>hmac.update()</literal>. | |
1950 The encoding can be | |
1951 <literal>hex</literal>, | |
1952 <literal>base64</literal>, and | |
1953 <literal>base64url</literal>. | |
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1954 If encoding is not provided, a Buffer object |
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1955 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>) is returned. |
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1956 <note> |
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1957 Before version <link doc="changes.xml" id="njs0.4.4">0.4.4</link>, |
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1958 a byte string was returned instead of a Buffer object. |
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1959 </note> |
2177 | 1960 </tag-desc> |
1961 </list> | |
1962 </para> | |
1963 | |
1964 <para> | |
1965 <example> | |
1966 >> var cr = require('crypto') | |
1967 undefined | |
1968 | |
1969 >> cr.createHmac('sha1', 'secret.key').update('AB').digest('base64url') | |
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1970 'Oglm93xn23_MkiaEq_e9u8zk374' |
2177 | 1971 </example> |
1972 </para> | |
1973 | |
1974 </section> | |
1975 | |
1976 </section> | |
1977 | |
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1978 |
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|
1979 <section id="njs_api_fs" name="File System"> |
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1980 |
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|
1981 <para> |
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|
1982 The File System module provides operations with files. |
2507 | 1983 </para> |
1984 | |
1985 <para> | |
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1986 The module object is returned by <literal>require('fs')</literal>. |
2508
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1987 Since <link doc="changes.xml" id="njs0.3.9">0.3.9</link>, |
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Language fixes in njs file system methods.
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diff
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|
1988 promissified versions of file system methods are available through |
2507 | 1989 <literal>require('fs').promises</literal> object: |
1990 <example> | |
1991 > var fs = require('fs').promises; | |
1992 undefined | |
1993 > fs.readFile("/file/path").then((data)=>console.log(data)) | |
1994 <file data> | |
1995 </example> | |
2204
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1996 <list type="tag"> |
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|
1997 |
2507 | 1998 <tag-name id="fs_accesssync"><literal>accessSync(<value>path</value>[, |
1999 <value>mode</value>])</literal></tag-name> | |
2000 <tag-desc> | |
2001 Synchronously tests permissions for a file or directory | |
2002 specified in the <literal>path</literal> | |
2003 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>). | |
2004 If the check fails, an error will be returned, | |
2005 otherwise, the method will return undefined. | |
2006 <list type="tag"> | |
2007 | |
2008 <tag-name><literal>mode</literal></tag-name> | |
2009 <tag-desc> | |
2010 by default is <link id="access_const"><literal>fs.constants.F_OK</literal></link>. | |
2011 The mode argument is an optional integer | |
2012 that specifies the accessibility checks to be performed. | |
2013 <example> | |
2014 try { | |
2015 fs.accessSync('/file/path', fs.constants.R_OK | fs.constants.W_OK); | |
2016 console.log('has access'); | |
2017 } catch (e) { | |
2018 console.log('no access');) | |
2019 } | |
2020 </example> | |
2021 </tag-desc> | |
2022 | |
2023 </list> | |
2024 </tag-desc> | |
2025 | |
2570
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2026 <tag-name id="fs_appendfilesync"><literal>appendFileSync(<value>filename</value>, |
2204
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Documented fileSystem methods in njs.
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2027 <value>data</value>[, <value>options</value>])</literal></tag-name> |
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Documented fileSystem methods in njs.
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2028 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2029 Synchronously appends specified <literal>data</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2030 to a file with provided <literal>filename</literal>. |
2604
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|
2031 The <literal>data</literal> is expected to be a string |
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|
2032 or a Buffer object (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>). |
2204
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|
2033 If the file does not exist, it will be created. |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2034 The <literal>options</literal> parameter is expected to be |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2035 an object with the following keys: |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2036 <list type="tag"> |
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|
2037 |
001f2d905fd9
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|
2038 <tag-name><literal>mode</literal></tag-name> |
001f2d905fd9
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Yaroslav Zhuravlev <yar@nginx.com>
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2039 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2040 mode option, by default is <literal>0o666</literal> |
001f2d905fd9
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2041 </tag-desc> |
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|
2042 |
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|
2043 <tag-name><literal>flag</literal></tag-name> |
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Documented fileSystem methods in njs.
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2044 <tag-desc> |
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Documented fileSystem methods in njs.
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|
2045 file system <link id="njs_api_fs_flags">flag</link>, |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
2046 by default is <literal>a</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2047 </tag-desc> |
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Documented fileSystem methods in njs.
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|
2048 |
001f2d905fd9
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Yaroslav Zhuravlev <yar@nginx.com>
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|
2049 </list> |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2050 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2051 |
2563
428a8cf1911b
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Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2052 <tag-name id="fs_mkdirsync"><literal>mkdirSync(<value>path</value>[, |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
2053 <value>options</value>])</literal></tag-name> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2054 <tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
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|
2055 Synchronously creates a directory at the specified <literal>path</literal> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
2056 (<link doc="changes.xml" id="njs0.4.2">0.4.2</link>). |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
2057 The <literal>options</literal> parameter is expected to be an |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
2546
diff
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|
2058 <literal>integer</literal> that specifies |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
2546
diff
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|
2059 the <link id="fs_mkdirsync_mode">mode</link>, |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
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|
2060 or an object with the following keys: |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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|
2061 <list type="tag"> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
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|
2062 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
changeset
|
2063 <tag-name id="fs_mkdirsync_mode"><literal>mode</literal></tag-name> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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|
2064 <tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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|
2065 mode option, by default is <literal>0o777</literal>. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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|
2066 </tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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|
2067 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
2068 </list> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2069 </tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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|
2070 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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diff
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|
2071 <tag-name id="fs_readdirsync"><literal>readdirSync(<value>path</value>[, |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
2072 <value>options</value>])</literal></tag-name> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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|
2073 <tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2074 Synchronously reads the contents of a directory |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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|
2075 at the specified <literal>path</literal> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
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|
2076 (<link doc="changes.xml" id="njs0.4.2">0.4.2</link>). |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2077 The <literal>options</literal> parameter is expected to be |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2078 a string that specifies <link id="fs_readdirsync_encoding">encoding</link> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
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|
2079 or an object with the following keys: |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2080 <list type="tag"> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2081 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
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|
2082 <tag-name id="fs_readdirsync_encoding"><literal>encoding</literal></tag-name> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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|
2083 <tag-desc> |
2604
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Added Buffer object info to some njs methods.
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|
2084 encoding, by default is <literal>utf8</literal>. |
a29676472a11
Added Buffer object info to some njs methods.
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|
2085 The encoding can be <literal>utf8</literal> and <literal>buffer</literal> |
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diff
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|
2086 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>). |
2563
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2087 </tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
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|
2088 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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2546
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|
2089 <tag-name id="fs_readdirsync_withfiletypes"><literal>withFileTypes</literal></tag-name> |
428a8cf1911b
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|
2090 <tag-desc> |
428a8cf1911b
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|
2091 if set to <literal>true</literal>, the files array will contain |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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parents:
2546
diff
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|
2092 <link id="fs_dirent"><literal>fs.Dirent</literal></link> objects, |
428a8cf1911b
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|
2093 by default is <literal>false</literal>. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
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|
2094 </tag-desc> |
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|
2095 |
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|
2096 </list> |
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|
2097 </tag-desc> |
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|
2098 |
2570
44792f1ee284
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2569
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|
2099 <tag-name id="fs_readfilesync"><literal>readFileSync(<value>filename</value>[, |
2204
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2100 <value>options</value>])</literal></tag-name> |
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2101 <tag-desc> |
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|
2102 Synchronously returns the contents of the file |
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|
2103 with provided <literal>filename</literal>. |
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|
2104 The <literal>options</literal> parameter holds |
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|
2105 <literal>string</literal> that specifies encoding. |
2604
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|
2106 If an encoding is specified, a string is returned, |
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|
2107 otherwise, a Buffer object |
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|
2108 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>) is returned. |
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|
2109 <note> |
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|
2110 Before version <link doc="changes.xml" id="njs0.4.4">0.4.4</link>, |
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|
2111 a <link id="string_tobytes">byte string</link> was returned |
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|
2112 if encoding was not specified. |
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|
2113 </note> |
2204
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|
2114 Otherwise, <literal>options</literal> is expected to be |
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|
2115 an object with the following keys: |
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|
2116 <list type="tag"> |
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|
2117 |
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changeset
|
2118 <tag-name><literal>encoding</literal></tag-name> |
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Documented fileSystem methods in njs.
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2119 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2120 encoding, by default is not specified. |
2604
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Added Buffer object info to some njs methods.
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parents:
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|
2121 The encoding can be <literal>utf8</literal>, |
a29676472a11
Added Buffer object info to some njs methods.
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parents:
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|
2122 <literal>hex</literal> |
a29676472a11
Added Buffer object info to some njs methods.
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|
2123 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>), |
a29676472a11
Added Buffer object info to some njs methods.
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parents:
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diff
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|
2124 <literal>base64</literal> |
a29676472a11
Added Buffer object info to some njs methods.
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parents:
2601
diff
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|
2125 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>), |
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
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|
2126 <literal>base64url</literal> |
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
changeset
|
2127 (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>). |
2204
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
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diff
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|
2128 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
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diff
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|
2129 |
001f2d905fd9
Documented fileSystem methods in njs.
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diff
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|
2130 <tag-name><literal>flag</literal></tag-name> |
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Documented fileSystem methods in njs.
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|
2131 <tag-desc> |
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Documented fileSystem methods in njs.
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diff
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|
2132 file system <link id="njs_api_fs_flags">flag</link>, |
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
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diff
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|
2133 by default is <literal>r</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
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diff
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|
2134 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
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diff
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|
2135 |
001f2d905fd9
Documented fileSystem methods in njs.
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diff
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|
2136 </list> |
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
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diff
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|
2137 <example> |
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Documented fileSystem methods in njs.
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parents:
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|
2138 >> var fs = require('fs') |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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diff
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|
2139 undefined |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2140 >> var file = fs.readFileSync('/file/path.tar.gz') |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2141 undefined |
2604
a29676472a11
Added Buffer object info to some njs methods.
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parents:
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diff
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|
2142 >> var gzipped = file.slice(0,2).toString('hex') === '1f8b'; gzipped |
2204
001f2d905fd9
Documented fileSystem methods in njs.
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diff
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|
2143 true |
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
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diff
changeset
|
2144 </example> |
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Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2145 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
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diff
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|
2146 |
2507 | 2147 <tag-name id="fs_realpathsync"><literal>realpathSync(<value>path</value>[, |
2148 <value>options</value>])</literal></tag-name> | |
2149 <tag-desc> | |
2150 Synchronously computes the canonical pathname by resolving | |
2151 <literal>.</literal>, <literal>..</literal> and symbolic links using | |
2508
d3d5b67a1462
Language fixes in njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2507
diff
changeset
|
2152 <link url="http://man7.org/linux/man-pages/man3/realpath.3.html">realpath(3)</link>. |
2507 | 2153 The <literal>options</literal> argument can be a string specifying an encoding, |
2154 or an object with an encoding property specifying the character encoding | |
2155 to use for the path passed to the callback | |
2156 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>). | |
2157 </tag-desc> | |
2158 | |
2509
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Reordered alphabetically njs file system methods.
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diff
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|
2159 <tag-name id="fs_renamesync"><literal>renameSync(<value>oldPath</value>, |
827a6d7fe108
Reordered alphabetically njs file system methods.
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parents:
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diff
changeset
|
2160 <value>newPath</value>)</literal></tag-name> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2161 <tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
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parents:
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diff
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|
2162 Synchronously changes the name or location of a file from |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2163 <literal>oldPath</literal> to <literal>newPath</literal> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
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|
2164 (<link doc="changes.xml" id="njs0.3.4">0.3.4</link>). |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2165 <example> |
827a6d7fe108
Reordered alphabetically njs file system methods.
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diff
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|
2166 >> var fs = require('fs') |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2167 undefined |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2168 >> var file = fs.renameSync('hello.txt', 'HelloWorld.txt') |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2169 undefined |
827a6d7fe108
Reordered alphabetically njs file system methods.
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parents:
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diff
changeset
|
2170 </example> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2171 </tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2172 |
2563
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2173 <tag-name id="fs_rmdirsync"><literal>rmdirSync(<value>path</value>)</literal></tag-name> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2174 <tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2175 Synchronously removes a directory at the specified <literal>path</literal> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2176 (<link doc="changes.xml" id="njs0.4.2">0.4.2</link>). |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2177 </tag-desc> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2178 |
2509
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2179 <tag-name id="fs_symlinksync"><literal>symlinkSync(<value>target</value>, |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2180 <value>path</value>)</literal></tag-name> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2181 <tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2182 Synchronously creates the link called <literal>path</literal> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2183 pointing to <literal>target</literal> using |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2184 <link url="http://man7.org/linux/man-pages/man2/symlink.2.html">symlink(2)</link> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2185 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>). |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2186 Relative targets are relative to the link’s parent directory. |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2187 </tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2188 |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2189 <tag-name id="fs_unlinksync"><literal>unlinkSync(<value>path</value>)</literal></tag-name> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2190 <tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2191 Synchronously unlinks a file by <literal>path</literal> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2192 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>). |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2193 </tag-desc> |
827a6d7fe108
Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2508
diff
changeset
|
2194 |
2570
44792f1ee284
Added IDs to methods in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2569
diff
changeset
|
2195 <tag-name id="fs_writefilesync"><literal>writeFileSync(<value>filename</value>, |
2204
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
2203
diff
changeset
|
2196 <value>data</value>[, |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2197 <value>options</value>])</literal></tag-name> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2198 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2199 Synchronously writes <literal>data</literal> to a file |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2200 with provided <literal>filename</literal>. |
2604
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
changeset
|
2201 The <literal>data</literal> is expected to be a string |
a29676472a11
Added Buffer object info to some njs methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2601
diff
changeset
|
2202 or a Buffer object (<link doc="changes.xml" id="njs0.4.4">0.4.4</link>). |
2204
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2203 If the file does not exist, it will be created, |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2204 if the file exists, it will be replaced. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2205 The <literal>options</literal> parameter is expected to be |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2206 an object with the following keys: |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2207 <list type="tag"> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2208 <tag-name><literal>mode</literal></tag-name> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2209 <tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2210 mode option, by default is <literal>0o666</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2211 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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2203
diff
changeset
|
2212 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2213 <tag-name><literal>flag</literal></tag-name> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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2203
diff
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|
2214 <tag-desc> |
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Documented fileSystem methods in njs.
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parents:
2203
diff
changeset
|
2215 file system <link id="njs_api_fs_flags">flag</link>, |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2216 by default is <literal>w</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2217 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
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diff
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|
2218 |
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
2203
diff
changeset
|
2219 </list> |
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
2203
diff
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|
2220 <example> |
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
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diff
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|
2221 >> var fs = require('fs') |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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2203
diff
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|
2222 undefined |
001f2d905fd9
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2223 >> var file = fs.writeFileSync('hello.txt', 'Hello world') |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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2203
diff
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|
2224 undefined |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2225 </example> |
001f2d905fd9
Documented fileSystem methods in njs.
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2203
diff
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|
2226 </tag-desc> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2227 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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2203
diff
changeset
|
2228 </list> |
001f2d905fd9
Documented fileSystem methods in njs.
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parents:
2203
diff
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|
2229 </para> |
001f2d905fd9
Documented fileSystem methods in njs.
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2203
diff
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|
2230 |
001f2d905fd9
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2231 |
2563
428a8cf1911b
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Yaroslav Zhuravlev <yar@nginx.com>
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2546
diff
changeset
|
2232 <section id="fs_dirent" name="fs.Dirent"> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2233 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2234 <para> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2235 <literal>fs.Dirent</literal> is a representation of a directory entry— |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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2546
diff
changeset
|
2236 a file or a subdirectory. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2237 When |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2238 <link id="fs_readdirsync"><literal>readdirSync()</literal></link> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2239 is called with the |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2240 <link id="fs_readdirsync_withfiletypes"><literal>withFileTypes</literal></link> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
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|
2241 option, |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2242 the resulting array contains <literal>fs.Dirent</literal> objects. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2243 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2244 <list type= "bullet" compact="no"> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
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|
2245 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2246 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2247 <literal>dirent.isBlockDevice()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2248 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2249 a block device. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2250 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2251 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2252 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2253 <literal>dirent.isCharacterDevice()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2254 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2255 a character device. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2256 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2257 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2258 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2259 <literal>dirent.isDirectory()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2260 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2261 a file system directory. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2262 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2263 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2264 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2265 <literal>dirent.isFIFO()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2266 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2267 a first-in-first-out (FIFO) pipe. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2268 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2269 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2270 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2271 <literal>dirent.isFile()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2272 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2273 a regular file. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2274 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2275 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2276 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2277 <literal>dirent.isSocket()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2278 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2279 a socket. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2280 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2281 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2282 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2283 <literal>dirent.isSymbolicLink()</literal>—returns |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2284 <literal>true</literal> if the <literal>fs.Dirent</literal> object describes |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2285 a symbolic link. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2286 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2287 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2288 <listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2289 <literal>dirent.name</literal>— |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2290 the name of the file <literal>fs.Dirent</literal> object refers to. |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2291 </listitem> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2292 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2293 </list> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2294 </para> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2295 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2296 </section> |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2297 |
428a8cf1911b
Documented mkdirSync, readdirSync, rmdirSync, fs.Dirent in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2546
diff
changeset
|
2298 |
2507 | 2299 <section id="access_const" name="File Access Constants"> |
2300 | |
2301 <para> | |
2302 The <link id="fs_accesssync"><literal>access()</literal></link> method | |
2303 can accept the following flags. | |
2304 These flags are exported by <literal>fs.constants</literal>: | |
2305 | |
2306 <list type= "bullet" compact="no"> | |
2307 | |
2308 <listitem> | |
2309 <literal>F_OK</literal>—indicates that the file | |
2310 is visible to the calling process, | |
2311 used by default if no mode is specified | |
2312 </listitem> | |
2313 | |
2314 <listitem> | |
2315 <literal>R_OK</literal>—indicates that the file can be | |
2316 read by the calling process | |
2317 </listitem> | |
2318 | |
2319 <listitem> | |
2320 <literal>W_OK</literal>—indicates that the file can be | |
2321 written by the calling process | |
2322 </listitem> | |
2323 | |
2324 <listitem> | |
2325 <literal>X_OK</literal>—indicates that the file can be | |
2326 executed by the calling process | |
2327 </listitem> | |
2328 | |
2329 </list> | |
2330 </para> | |
2331 | |
2332 </section> | |
2333 | |
2334 | |
2204
001f2d905fd9
Documented fileSystem methods in njs.
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|
2335 <section id="njs_api_fs_flags" name="File System Flags"> |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2336 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2337 <para> |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2338 The <literal>flag</literal> option can accept the following values: |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2339 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2340 <list type= "bullet" compact="no"> |
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|
2341 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
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|
2342 <listitem> |
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Documented fileSystem methods in njs.
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|
2343 <literal>a</literal>—open a file for appending. |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2344 The file is created if it does not exist |
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Documented fileSystem methods in njs.
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|
2345 </listitem> |
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Documented fileSystem methods in njs.
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|
2346 |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2347 <listitem> |
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Documented fileSystem methods in njs.
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|
2348 <literal>ax</literal>—the same as <literal>a</literal> |
001f2d905fd9
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|
2349 but fails if the file already exists |
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Documented fileSystem methods in njs.
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|
2350 </listitem> |
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Documented fileSystem methods in njs.
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|
2351 |
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Documented fileSystem methods in njs.
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|
2352 <listitem> |
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Documented fileSystem methods in njs.
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|
2353 <literal>a+</literal>—open a file for reading and appending. |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2354 If the file does not exist, it will be created |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2355 </listitem> |
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Documented fileSystem methods in njs.
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|
2356 |
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|
2357 <listitem> |
2579
63cef7604e0d
Minor review of njs Reference for typos and style.
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changeset
|
2358 <literal>ax+</literal>—the same as <literal>a+</literal> |
2204
001f2d905fd9
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|
2359 but fails if the file already exists |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2360 </listitem> |
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|
2361 |
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|
2362 <listitem> |
2579
63cef7604e0d
Minor review of njs Reference for typos and style.
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parents:
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changeset
|
2363 <literal>as</literal>—open a file for appending |
63cef7604e0d
Minor review of njs Reference for typos and style.
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|
2364 in synchronous mode. |
2204
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Documented fileSystem methods in njs.
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|
2365 If the file does not exist, it will be created |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2366 </listitem> |
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Documented fileSystem methods in njs.
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|
2367 |
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|
2368 <listitem> |
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Documented fileSystem methods in njs.
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changeset
|
2369 <literal>as+</literal>—open a file for reading and appending |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2370 in synchronous mode. |
001f2d905fd9
Documented fileSystem methods in njs.
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|
2371 If the file does not exist, it will be created |
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Documented fileSystem methods in njs.
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|
2372 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2373 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2374 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
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|
2375 <literal>r</literal>—open a file for reading. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2376 An exception occurs if the file does not exist |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2377 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2378 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2379 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2380 <literal>r+</literal>—open a file for reading and writing. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2381 An exception occurs if the file does not exist |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2382 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2383 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2384 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2385 <literal>rs+</literal>—open a file for reading and writing |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2386 in synchronous mode. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2387 Instructs the operating system to bypass the local file system cache |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2388 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2389 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2390 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2391 <literal>w</literal>—open a file for writing. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2392 If the file does not exist, it will be created. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2393 If the file exists, it will be replaced |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2394 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2395 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2396 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2397 <literal>wx</literal>—the same as <literal>w</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2398 but fails if the file already exists |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2399 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2400 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2401 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2402 <literal>w+</literal>—open a file for reading and writing. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2403 If the file does not exist, it will be created. |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2404 If the file exists, it will be replaced |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2405 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2406 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2407 <listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2203
diff
changeset
|
2408 <literal>wx+</literal>—the same as <literal>w+</literal> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2409 but fails if the file already exists |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2410 </listitem> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2411 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2412 </list> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2413 </para> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2414 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2415 </section> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2416 |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2417 </section> |
001f2d905fd9
Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2418 |
2583
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2419 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2420 <section id="querystring" name="Query String"> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2421 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2422 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2423 The Query String module provides support |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2424 for parsing and formatting URL query strings |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2425 (<link doc="changes.xml" id="njs0.4.3">0.4.3</link>). |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2426 The Query String module object is returned by |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2427 <literal>require('querystring')</literal>. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2428 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2429 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2430 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2431 <list type="tag"> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2432 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2433 <tag-name id="querystring_decode"><literal>querystring.decode()</literal></tag-name> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2434 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2435 is an alias for |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2436 <link id="querystring_parse"><literal>querystring.parse()</literal></link>. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2437 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2438 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2439 <tag-name id="querystring_encode"><literal>querystring.encode()</literal></tag-name> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2440 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2441 is an alias for |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2442 <link id="querystring_stringify"><literal>querystring.stringify()</literal></link>. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2443 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2444 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2445 <tag-name id="querystring_escape"><literal>querystring.escape(<value>string</value>)</literal></tag-name> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2446 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2447 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2448 Performs URL encoding of the given <literal>string</literal>, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2449 returns an escaped query string. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2450 The method is used by |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2451 <link id="querystring_stringify"><literal>querystring.stringify()</literal></link> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2452 and should not be used directly. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2453 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2454 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2455 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2456 <tag-name id="querystring_parse"><literal>querystring.parse(<value>string</value>[, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2457 <value>separator</value>[, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2458 <value>equal</value>[, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2459 <value>options</value>]]])</literal></tag-name> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2460 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2461 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2462 Parses the query string URL and returns an object. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2463 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2464 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2465 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2466 The <literal>separator</literal> parameter is a substring |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2467 for delimiting key and value pairs in the query string, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2468 by default is “<literal>&</literal>”. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2469 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2470 |
cd97adddd757
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2471 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2472 The <literal>equal</literal> parameter is a substring |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2473 for delimiting keys and values in the query string, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2474 by default is “<literal>=</literal>”. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2475 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2476 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2477 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2478 The <literal>options</literal> parameter is expected to be |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2479 an object with the following keys: |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2480 <list type="tag"> |
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parents:
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diff
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|
2481 <tag-name><literal>decodeURIComponent</literal> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2482 <value>function</value></tag-name> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2483 <tag-desc> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2484 Function used |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2485 to decode percent-encoded characters in the query string, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2486 by default is |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2487 <link id="querystring_unescape"><literal>querystring.unescape()</literal></link> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2488 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2489 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2490 <tag-name><literal>maxKeys</literal> |
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Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2491 <value>number</value></tag-name> |
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Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2492 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2493 the maximum number of keys to parse, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2494 by default is <literal>1000</literal>. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2495 The <literal>0</literal> value removes limitations for counting keys. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2496 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2497 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2498 </list> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2499 By default, percent-encoded characters within the query string are assumed |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2500 to use the UTF-8 encoding, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2501 invalid UTF-8 sequences will be replaced with |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2502 the <literal>U+FFFD</literal> replacement character. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2503 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2504 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2505 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2506 For example, for the following query string |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2507 <example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2508 'foo=bar&abc=xyz&abc=123' |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2509 </example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2510 the output will be: |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2511 <example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2512 { |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2513 foo: 'bar', |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2514 abc: ['xyz', '123'] |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2515 } |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2516 </example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2517 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2518 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2519 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2520 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2521 <tag-name id="querystring_stringify"><literal>querystring.stringify(<value>object</value>[, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2522 <value>separator</value>[, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2523 <value>equal</value>[, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2524 <value>options</value>]]])</literal></tag-name> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2525 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2526 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2527 Serializes an object and returns a URL query string. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2528 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2529 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2530 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2531 The <literal>separator</literal> parameter is a substring |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2532 for delimiting key and value pairs in the query string, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2533 by default is “<literal>&</literal>”. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2534 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2535 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2536 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2537 The <literal>equal</literal> parameter is a substring |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2538 for delimiting keys and values in the query string, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2539 by default is “<literal>=</literal>”. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2540 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2541 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2542 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2543 The <literal>options</literal> parameter is expected to be |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2544 an object with the following keys: |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2545 <list type="tag"> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2546 <tag-name><literal>encodeURIComponent</literal> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2547 <value>function</value></tag-name> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2548 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2549 The function to use when converting |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2550 URL-unsafe characters to percent-encoding in the query string, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2551 by default is |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2552 <link id="querystring_escape"><literal>querystring.escape()</literal></link>. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2553 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2554 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2555 </list> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2556 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2557 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2558 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2559 By default, characters that require percent-encoding within the query string |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2560 are encoded as UTF-8. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2561 If other encoding is required, then |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2562 <literal>encodeURIComponent</literal> option should be specified. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2563 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2564 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2565 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2566 For example, for the following command |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2567 <example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2568 querystring.stringify({ foo: 'bar', baz: ['qux', 'quux'], 123: '' }); |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2569 </example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2570 the query string will be: |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2571 <example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2572 'foo=bar&baz=qux&baz=quux&123=' |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2573 </example> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2574 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2575 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2576 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2577 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2578 <tag-name id="querystring_unescape"><literal>querystring.unescape(<value>string</value>)</literal></tag-name> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2579 <tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2580 <para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2581 Performs decoding of URL percent-encoded characters |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2582 of the <literal>string</literal>, |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
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|
2583 returns an unescaped query string. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2584 The method is used by |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2585 <link id="querystring_parse"><literal>querystring.parse()</literal></link> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2586 and should not be used directly. |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2587 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
2582
diff
changeset
|
2588 </tag-desc> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2589 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2590 </list> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2591 </para> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
changeset
|
2592 |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2593 </section> |
cd97adddd757
Documented Query String in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
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diff
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|
2594 |
2176 | 2595 </section> |
2596 | |
2175
cd4889fdcfa4
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Yaroslav Zhuravlev <yar@nginx.com>
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|
2597 </article> |