annotate xml/en/docs/njs/reference.xml @ 2509:827a6d7fe108

Reordered alphabetically njs file system methods.
author Yaroslav Zhuravlev <yar@nginx.com>
date Wed, 04 Mar 2020 18:36:30 +0000
parents d3d5b67a1462
children 6ce28e0beec0
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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="37">
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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 </section>
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22
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23
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24 <section id="http_stream" name="nginx objects">
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25
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26
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27 <section id="http" name="HTTP Request">
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28
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29 <para>
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30 The HTTP request object is available only in the
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31 <link doc="../http/ngx_http_js_module.xml">ngx_http_js_module</link> module.
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32 All string properties of the object are <link id="string">byte strings</link>.
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33
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34 <list type="tag">
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35
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36 <tag-name id="r_args"><literal>r.args{}</literal></tag-name>
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37 <tag-desc>
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38 request arguments object, read-only
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39 </tag-desc>
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40
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41 <tag-name><literal>r.error(<value>string</value>)</literal></tag-name>
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42 <tag-desc>
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43 writes a <literal>string</literal> to the error log
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44 on the <literal>error</literal> level of logging
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45 </tag-desc>
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46
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47 <tag-name><literal>r.finish()</literal></tag-name>
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48 <tag-desc>
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49 finishes sending a response to the client
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50 </tag-desc>
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51
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52 <tag-name id="r_headers_in"><literal>r.headersIn{}</literal></tag-name>
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53 <tag-desc>
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54 incoming headers object, read-only.
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55 <para>
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56 For example, the <literal>Foo</literal> header
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57 can be accessed with the syntax <literal>headersIn.foo</literal>
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58 or <literal>headersIn['Foo']</literal>
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59 <note>
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60 Before version <link doc="changes.xml" id="njs0.3.6">0.3.6</link>,
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61 for headers that could appear multiple times such as
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62 <header>Cookie</header> or <header>X-Forwarded-For</header>,
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63 only the first value was returned.
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64 To get all cookies,
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65 <literal>r.variables.http_cookie</literal>
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66 should be used.
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67 To get the <literal>name</literal> cookie,
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68 <literal>r.variables["cookie_<value>name</value>"]</literal>
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69 should be used.
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70 </note>
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71 </para>
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72 </tag-desc>
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73
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74 <tag-name id="r_headers_out"><literal>r.headersOut{}</literal></tag-name>
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75 <tag-desc>
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76 outgoing headers object, writable.
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77 <para>
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78 For example, the <literal>Foo</literal> header
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79 can be accessed with the syntax <literal>headersOut.foo</literal>
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80 or <literal>headersOut['Foo']</literal>
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81 </para>
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82 </tag-desc>
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83
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84 <tag-name><literal>r.httpVersion</literal></tag-name>
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85 <tag-desc>
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86 HTTP version, read-only
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87 </tag-desc>
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88
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89 <tag-name><literal>r.log(<value>string</value>)</literal></tag-name>
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90 <tag-desc>
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91 writes a <literal>string</literal> to the error log
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92 on the <literal>info</literal> level of logging
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93 </tag-desc>
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94
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95 <tag-name id="r_internal_redirect"><literal>r.internalRedirect(<value>uri</value>)</literal></tag-name>
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96 <tag-desc>
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97 performs an internal redirect to the specified <literal>uri</literal>.
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98 If the uri starts with the “<literal>@</literal>” prefix,
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99 it is considered a named location.
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100 </tag-desc>
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101
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102 <tag-name><literal>r.method</literal></tag-name>
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103 <tag-desc>
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104 HTTP method, read-only
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105 </tag-desc>
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106
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107 <tag-name id="r_parent"><literal>r.parent</literal></tag-name>
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108 <tag-desc>
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109 references the parent request object
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110 </tag-desc>
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111
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112 <tag-name><literal>r.remoteAddress</literal></tag-name>
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113 <tag-desc>
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114 client address, read-only
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115 </tag-desc>
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116
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117 <tag-name id="r_request_body"><literal>r.requestBody</literal></tag-name>
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118 <tag-desc>
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119 returns the client request body if it has not been
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120 written to a temporary file.
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121 To ensure that the client request body is in memory,
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122 its size should be limited by
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123 <link doc="../http/ngx_http_core_module.xml" id="client_max_body_size"/>,
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124 and a sufficient buffer size should be set using
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125 <link doc="../http/ngx_http_core_module.xml" id="client_body_buffer_size"/>.
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126 The property is available only in the
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127 <link doc="../http/ngx_http_js_module.xml" id="js_content"/> directive.
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128 </tag-desc>
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129
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130 <tag-name id="r_response_body"><literal>r.responseBody</literal></tag-name>
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131 <tag-desc>
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132 holds the <link id="subrequest">subrequest</link> response body, read-only.
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133 The size of <literal>r.responseBody</literal> is limited by the
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134 <link doc="../http/ngx_http_core_module.xml" id="subrequest_output_buffer_size"/>
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135 directive.
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136 </tag-desc>
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137
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138 <tag-name><literal>r.return(status[, string])</literal></tag-name>
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139 <tag-desc>
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140 sends the entire response
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141 with the specified <literal>status</literal> to the client
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142 <para>
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143 It is possible to specify either a redirect URL
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144 (for codes 301, 302, 303, 307, and 308)
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145 or the response body text (for other codes) as the second argument
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146 </para>
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147 </tag-desc>
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148
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149 <tag-name><literal>r.send(<value>string</value>)</literal></tag-name>
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150 <tag-desc>
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151 sends a part of the response body to the client
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152 </tag-desc>
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153
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154 <tag-name><literal>r.sendHeader()</literal></tag-name>
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155 <tag-desc>
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156 sends the HTTP headers to the client
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157 </tag-desc>
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158
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159 <tag-name><literal>r.status</literal></tag-name>
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160 <tag-desc>
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161 status, writable
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162 </tag-desc>
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163
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164 <tag-name id="r_variables"><literal>r.variables{}</literal></tag-name>
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165 <tag-desc>
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166 nginx variables object,
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167 writable (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>)
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168 </tag-desc>
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169
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170 <tag-name><literal>r.warn(<value>string</value>)</literal></tag-name>
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171 <tag-desc>
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172 writes a <literal>string</literal> to the error log
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173 on the <literal>warning</literal> level of logging
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174 </tag-desc>
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175
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176 <tag-name id="r_uri"><literal>r.uri</literal></tag-name>
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177 <tag-desc>
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178 current <link doc="../http/ngx_http_core_module.xml" id="var_uri">URI</link>
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179 in request,
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180 <link doc="../http/ngx_http_core_module.xml" id="location">normalized</link>,
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181 read-only
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182 </tag-desc>
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183
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184 <tag-name id="subrequest"><literal>r.subrequest(<value>uri</value>[,
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185 <value>options</value>[, <value>callback</value>]])</literal></tag-name>
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186 <tag-desc>
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187 creates a subrequest with the given <literal>uri</literal> and
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188 <literal>options</literal>, and installs
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189 an optional completion <literal>callback</literal>.
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190
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191 <para>
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192 A
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193 <link doc="../dev/development_guide.xml.xml" id="http_subrequests">subrequest</link>
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194 shares its input headers with the client request.
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195 To send headers different from original headers to a proxied server, the
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196 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_set_header"/>
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197 directive can be used.
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198 To send a completely new set of headers to a proxied server, the
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199 <link doc="../http/ngx_http_proxy_module.xml" id="proxy_pass_request_headers"/>
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200 directive can be used.
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201 </para>
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202
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203 <para>
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204 If <literal>options</literal> is a string, then it
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205 holds the subrequest arguments string.
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206 Otherwise, <literal>options</literal> is expected to be
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207 an object with the following keys:
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208 <list type="tag">
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209 <tag-name><literal>args</literal></tag-name>
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210 <tag-desc>
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211 arguments string, by default an empty string is used
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212 </tag-desc>
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213 <tag-name><literal>body</literal></tag-name>
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214 <tag-desc>
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215 request body,
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216 by default the request body of the parent request object is used
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217 </tag-desc>
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218
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219 <tag-name><literal>method</literal></tag-name>
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220 <tag-desc>
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221 HTTP method, by default the <literal>GET</literal> method is used
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222 </tag-desc>
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223
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224 <tag-name><literal>detached</literal></tag-name>
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225 <tag-desc>
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226 boolean flag (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>),
8ad2ea80e0c2 njs-0.3.9
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227 if <literal>true</literal>, the created subrequest is a detached subrequest.
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228 Responses to detached subrequests are ignored.
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229 Unlike ordinary subrequests, a detached subrequest
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230 can be created inside a variable handler.
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231 The detached flag and callback argument are mutually exclusive.
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232 </tag-desc>
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233
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234 </list>
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235 </para>
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236
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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237 <para>
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238 The completion <literal>callback</literal> receives
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diff changeset
239 a subrequest response object with methods and properties
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
240 identical to the parent request object.
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241 </para>
2484
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242
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243 <para>
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244 Since <link doc="changes.xml" id="njs0.3.8">0.3.8</link>,
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245 if a <literal>callback</literal> is not provided,
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246 the <literal>Promise</literal> object
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247 that resolves to the subrequest response object is returned.
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248 </para>
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249 </tag-desc>
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250
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251 </list>
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252 </para>
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253
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254 </section>
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255
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
256
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
257 <section id="stream" name="Stream Session">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
258
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
259 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
260 The stream session object is available only in the
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
261 <link doc="../stream/ngx_stream_js_module.xml">ngx_stream_js_module</link>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
262 module.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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parents: 2246
diff changeset
263 All string properties of the object are <link id="string">byte strings</link>.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
264 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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265
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
266 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
267 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
268
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
269 <tag-name id="s_allow"><literal>s.allow()</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
270 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
271 successfully finalizes the phase handler
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272 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
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273 </tag-desc>
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274
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
275 <tag-name id="s_decline"><literal>s.decline()</literal></tag-name>
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diff changeset
276 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
277 finalizes the phase handler and passes control to the next handler
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278 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
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279 </tag-desc>
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280
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
281 <tag-name id="s_deny"><literal>s.deny()</literal></tag-name>
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282 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
283 finalizes the phase handler with the access error code
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diff changeset
284 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
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285 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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286
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
287 <tag-name id="s_done"><literal>s.done</literal>(<value>[code]</value>)</tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
288 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
289 successfully finalizes the current phase handler
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
290 or finalizes it with the specified numeric code
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diff changeset
291 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>).
2247
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diff changeset
292 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
293
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
294 <tag-name><literal>s.error(<value>string</value>)</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
295 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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parents: 2246
diff changeset
296 writes a sent <literal>string</literal> to the error log
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
297 on the <literal>error</literal> level of logging
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
298 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
299
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
300 <tag-name><literal>s.log(<value>string</value>)</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
301 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
302 writes a sent <value>string</value> to the error log
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
303 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
304 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
305
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
306 <tag-name id="s_off"><literal>s.off(<value>eventName</value>)</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
307 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
308 unregisters the callback set by the <link id="s_on">s.on()</link> method
2337
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Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
309 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>)
2247
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310 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
311
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
312 <tag-name id="s_on"><literal>s.on(<value>event</value>,
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
313 <value>callback</value>)</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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parents: 2246
diff changeset
314 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
315 registers a <literal>callback</literal> for the specified <literal>event</literal>
2337
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Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
316 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>).
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
317
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
318 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
319 An <literal>event</literal> may be one of the following strings:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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parents: 2246
diff changeset
320 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
321 <tag-name><literal>upload</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
322 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
323 new data from a client
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
324 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
325
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
326 <tag-name><literal>download</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
327 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
328 new data to a client
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
329 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
330
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
331 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
332 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
333
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
334 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
335 The completion callback has the following prototype:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
336 <literal>callback(data, flags)</literal>, where
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
337 <literal>data</literal> is string,
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
338 <literal>flags</literal> is an object
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
339 with the following properties:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
340 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
341 <tag-name id="s_on_callback_last"><literal>last</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
342 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
343 a boolean value, true if data is a last buffer.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
344 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
345
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
346 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
347 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
348 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
349
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
350 <tag-name><literal>s.remoteAddress</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
351 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
352 client address, read-only
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
353 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
354
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
355 <tag-name id="s_send"><literal>s.send(<value>data</value>[,
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
356 <value>options</value>])</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
357 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
358 sends the data to the client
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
359 (<link doc="changes.xml" id="njs0.2.4">0.2.4</link>).
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
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diff changeset
360 The <literal>options</literal> is an object used
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
361 to override nginx buffer flags derived from an incoming data chunk buffer.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
362 The flags can be overriden with the following flags:
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
363 <para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
364 <list type="tag">
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
365
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
366 <tag-name><literal>last</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
367 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
368 boolean, true if the buffer is the last buffer
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
369 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
370
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
371 <tag-name><literal>flush</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
372 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
373 boolean, true if the buffer should have the <literal>flush</literal> flag
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
374 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
375 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
376 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
377 The method can be called multiple times per callback invocation.
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
378 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
379
2338
39ac205f90b7 Documented that r.variables{} and s.variables{} are writable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2337
diff changeset
380 <tag-name id="s_variables"><literal>s.variables{}</literal></tag-name>
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
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diff changeset
381 <tag-desc>
2338
39ac205f90b7 Documented that r.variables{} and s.variables{} are writable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2337
diff changeset
382 nginx variables object, writable
39ac205f90b7 Documented that r.variables{} and s.variables{} are writable.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2337
diff changeset
383 (since <link doc="changes.xml" id="njs0.2.8">0.2.8</link>)
2247
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
384 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
385
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
386 <tag-name><literal>s.warn(<value>string</value>)</literal></tag-name>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
387 <tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
388 writes a sent <literal>string</literal> to the error log
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
389 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
390 </tag-desc>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
391
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
392 </list>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
393 </para>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
394
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
395 </section>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
396
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
397 </section>
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
398
0f16ef9a8dbe Created "nginx objects" section in reference.xml.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2246
diff changeset
399
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
400 <section id="core" name="Core">
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
401
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
402
2405
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
403 <section id="core_global" name="Global">
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
404
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
405
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
406 <section id="process" name="Process">
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
407
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
408 <para>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
409 The <literal>process</literal> object is a global object
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
410 that provides information about the current process
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
411 (<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
412 </para>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
413
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
414
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
415 <para>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
416 <list type="tag">
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
417
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
418 <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
419 <tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
420 Returns an array that contains the command line arguments
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
421 passed when the current process was launched.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
422 </tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
423
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
424 <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
425 <tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
426 Returns an object containing the user environment.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
427 <note>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
428 By default, nginx removes all environment variables inherited
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
429 from its parent process except the TZ variable.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
430 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
431 to preserve some of the inherited variables.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
432 </note>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
433 </tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
434
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
435 <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
436 <tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
437 Returns the PID of the current process.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
438 </tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
439
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
440 <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
441 <tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
442 Returns the PID of the current parent process.
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
443 </tag-desc>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
444
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
445 </list>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
446 </para>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
447
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
448 </section>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
449
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
450 </section>
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
451
dbf68c949522 Documented the "process" global object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2394
diff changeset
452
2312
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
453 <section id="core_object" name="Object">
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
454
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
455 <para>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
456 The <literal>Object</literal> constructor corresponds to a standard JS object.
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
457 <list type="tag">
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
458
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
459 <tag-name id="object_entries"><literal>Object.entries(<value>object</value>)</literal></tag-name>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
460 <tag-desc>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
461 returns an array of all enumerable property
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
462 <literal>[key, value]</literal> pairs
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
463 of the given <literal>object</literal>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
464 (<link doc="changes.xml" id="njs0.2.7">0.2.7</link>).
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
465 </tag-desc>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
466
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
467 <tag-name id="object_values"><literal>Object.values(<value>object</value>)</literal></tag-name>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
468 <tag-desc>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
469 returns an array of all enumerable property values
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
470 of the given <literal>object</literal>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
471 (<link doc="changes.xml" id="njs0.2.7">0.2.7</link>).
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
472 </tag-desc>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
473
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
474 </list>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
475 </para>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
476
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
477 </section>
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
478
1a6524706c70 njs-0.2.7
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2285
diff changeset
479
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
480 <section id="string" name="String">
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
481
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
482 <para>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
483 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
484 a byte string.
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
485 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
486
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
487 <para>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
488 A Unicode string corresponds to an ECMAScript string
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
489 which contains Unicode characters.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
490 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
491
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
492 <para>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
493 Byte strings contain a sequence of bytes
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
494 and are used to serialize Unicode strings
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
495 to external data and deserialize from external sources.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
496 For example, the <link id="string_toutf8">toUTF8()</link> method serializes
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
497 a Unicode string to a byte string using UTF8 encoding:
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
498 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
499 >> '£'.toUTF8().toString('hex')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
500 'c2a3' /* C2 A3 is the UTF8 representation of 00A3 ('£') code point */
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
501 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
502 The <link id="string_tobytes">toBytes()</link> method serializes
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
503 a Unicode string with code points up to 255 into a byte string,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
504 otherwise, <literal>null</literal> is returned:
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
505 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
506 >> '£'.toBytes().toString('hex')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
507 'a3' /* a3 is a byte equal to 00A3 ('£') code point */
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
508 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
509 Only byte strings can be converted to different encodings.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
510 For example, a string cannot be encoded to <literal>hex</literal> directly:
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
511 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
512 >> 'αβγδ'.toString('base64')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
513 TypeError: argument must be a byte string
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
514 at String.prototype.toString (native)
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
515 at main (native)
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
516 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
517 To convert a Unicode string to hex,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
518 first, it should be converted to a byte string and then to hex:
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
519 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
520 >> 'αβγδ'.toUTF8().toString('base64')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
521 'zrHOss6zzrQ='
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
522 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
523
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
524 <list type="tag">
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
525
2211
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
526 <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 changeset
527 | <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
528 <tag-desc>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
529 (njs specific) 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
530 or from an encoded string
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
531 (<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
532 The encoding can be
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
533 <literal>hex</literal>,
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
534 <literal>base64</literal>, and
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
535 <literal>base64url</literal>.
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
536 <example>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
537 >> String.bytesFrom([0x62, 0x75, 0x66, 0x66, 0x65, 0x72])
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
538 'buffer'
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
539
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
540 >> String.bytesFrom('YnVmZmVy', 'base64')
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
541 'buffer'
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
542 </example>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
543 </tag-desc>
660229c5c92f Documented String.bytesFrom() method in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2207
diff changeset
544
2271
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
545 <tag-name id="string_fromcharcode"><literal>String.fromCharCode(<value>CharCode1</value>[, ...[,
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
546 <value>CharCodeN</value>]])</literal></tag-name>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
547 <tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
548 Returns a string from one or more Unicode code points.
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
549 <example>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
550 >> String.fromCharCode(97, 98, 99, 100)
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
551 'abcd'
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
552 </example>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
553 </tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
554
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
555 <tag-name id="string_fromcodepoint"><literal>String.fromCodePoint(<value>codePoint1</value>[, ...[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
556 <value>codePoint2</value>]])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
557 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
558 Returns a string from one or more Unicode code points.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
559 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
560 >> String.fromCodePoint(97, 98, 99, 100)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
561 'abcd'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
562 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
563 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
564
2271
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
565 <tag-name id="string_charat"><literal>String.prototype.charAt(<value>index</value>)</literal></tag-name>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
566 <tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
567 Returns a string representing one Unicode code unit
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
568 at the specified <literal>index</literal>;
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
569 empty string if index is out of range.
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
570 The index can be an integer
2271
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
571 between 0 and 1-less-than the length of the string.
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
572 If no index is provided, the default is <literal>0</literal>,
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
573 so the first character in the string is returned.
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
574 </tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
575
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
576 <tag-name id="string_codepointat"><literal>String.prototype.CodePointAt(<value>position</value>)</literal></tag-name>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
577 <tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
578 Returns a number representing the code point value of the character
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
579 at the given <literal>position</literal>;
2271
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
580 <literal>undefined</literal> if there is no element at position.
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
581 <example>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
582 >> 'ABCD'.codePointAt(3);
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
583 68
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
584 </example>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
585 </tag-desc>
34a1901e663d Described charAt, codePointAt, fromCharCode in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2268
diff changeset
586
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
587 <tag-name id="string_concat"><literal>String.prototype.concat(<value>string1</value>[, ...,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
588 <value>stringN</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
589 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
590 Returns a string that contains the concatenation of specified
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
591 <literal>strings</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
592 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
593 >> "a".concat("b", "c")
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
594 'abc'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
595 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
596 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
597
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
598 <tag-name id="string_endswith"><literal>String.prototype.endsWith(<value>searchString</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
599 <value>length</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
600 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
601 Returns <literal>true</literal> if a string ends with the characters
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
602 of a specified string, otherwise <literal>false</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
603 The optional <literal>length</literal> parameter is the the length of string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
604 If omitted, the default value is the length of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
605 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
606 >> 'abc'.endsWith('abc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
607 true
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
608 >> 'abca'.endsWith('abc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
609 false
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
610 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
611 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
612
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
613 <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
614 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
615 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
616 (njs specific) Returns a new Unicode string from a byte string
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
617 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
618 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
619
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
620 <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
621 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
622 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
623 (njs specific) Converts a byte string containing a valid UTF8 string
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
624 into a Unicode string,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
625 otherwise <literal>null</literal> is returned.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
626 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
627
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
628 <tag-name id="string_includes"><literal>String.prototype.includes(<value>searchString</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
629 <value>position</value>]))</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
630 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
631 Returns <literal>true</literal> if a string is found within another string,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
632 otherwise <literal>false</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
633 The optional <literal>position</literal> parameter is the position
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
634 within the string at which to begin search for <literal>searchString</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
635 Default value is 0.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
636 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
637 >> 'abc'.includes('bc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
638 true
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
639 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
640 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
641
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
642 <tag-name id="string_indexof"><literal>String.prototype.indexOf(<value>searchString</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
643 <value>fromIndex</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
644 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
645 Returns the position of the first occurrence
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
646 of the <literal>searchString</literal>.
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
647 The search is started at <literal>fromIndex</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
648 Returns <value>-1</value> if the value is not found.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
649 The <literal>fromIndex</literal> is an integer,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
650 default value is 0.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
651 If <literal>fromIndex</literal> is lower than 0
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
652 or greater than
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
653 <link id="string_length">String.prototype.length</link><value></value>,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
654 the search starts at index <value>0</value> and
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
655 <value>String.prototype.length</value>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
656 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
657 >> 'abcdef'.indexOf('de', 2)
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
658 3
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
659 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
660 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
661
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
662 <tag-name id="string_lastindexof"><literal>String.prototype.lastIndexOf(<value>searchString</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
663 <value>fromIndex</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
664 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
665 Returns the position of the last occurrence
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
666 of the <literal>searchString</literal>,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
667 searching backwards from <literal>fromIndex</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
668 Returns <value>-1</value> if the value is not found.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
669 If <literal>searchString</literal> is empty,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
670 then <literal>fromIndex</literal> is returned.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
671 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
672 >> "nginx".lastIndexOf("gi")
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
673 1
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
674 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
675 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
676
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
677 <tag-name id="string_length"><literal>String.prototype.length</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
678 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
679 Returns the length of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
680 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
681 >> 'αβγδ'.length
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
682 4
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
683 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
684 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
685
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
686 <tag-name id="string_match"><literal>String.prototype.match([<value>regexp</value>])</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
687 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
688 Matches a string against a <literal>regexp</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
689 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
690 >> 'nginx'.match( /ng/i )
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
691 'ng'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
692 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
693 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
694
2212
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
695 <tag-name id="string_padend"><literal>String.prototype.padEnd(<value>length</value>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
696 [, <value>string</value>])</literal></tag-name>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
697 <tag-desc>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
698 Returns a string of a specified <literal>length</literal>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
699 with the pad <literal>string</literal> applied to the end of the specified
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
700 string (<link doc="changes.xml" id="njs0.2.3">0.2.3</link>).
2212
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
701 <example>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
702 >> '1234'.padEnd(8, 'abcd')
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
703 '1234abcd'
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
704 </example>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
705 </tag-desc>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
706
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
707 <tag-name id="string_padstart"><literal>String.prototype.padStart(<value>length</value>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
708 [, <value>string</value>])</literal></tag-name>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
709 <tag-desc>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
710 Returns a string of a specified <literal>length</literal>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
711 with the pad <literal>string</literal> applied to the start of the specified
2337
867fe207f13e Updated links to changes.xml in njs Reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2332
diff changeset
712 string (<link doc="changes.xml" id="njs0.2.3">0.2.3</link>).
2212
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
713 <example>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
714 >> '1234'.padStart(8, 'abcd')
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
715 'abcd1234'
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
716 </example>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
717 </tag-desc>
c34a885b9d99 Documented padEnd() and padStart() for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2211
diff changeset
718
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
719 <tag-name id="string_repeat"><literal>String.prototype.repeat(<value>number</value>)</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
720 <tag-desc>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
721 Returns a string
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
722 with the specified <literal>number</literal> of copies of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
723 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
724 >> 'abc'.repeat(3)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
725 'abcabcabc'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
726 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
727 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
728
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
729 <tag-name id="string_replace"><literal>String.prototype.replace([<value>regexp</value>|<value>string</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
730 <value>string</value>|<value>function</value>]])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
731 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
732 Returns a new string with matches of a pattern
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
733 (<literal>string</literal> or a <literal>regexp</literal>)
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
734 replaced by a <literal>string</literal> or a <literal>function</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
735 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
736 >> 'abcdefgh'.replace('d', 1)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
737 'abc1efgh'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
738 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
739 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
740
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
741 <tag-name id="string_search"><literal>String.prototype.search([<value>regexp</value>])</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
742 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
743 Searches for a string using a <literal>regexp</literal>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
744 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
745 >> 'abcdefgh'.search('def')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
746 3
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
747 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
748 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
749
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
750 <tag-name id="string_slice"><literal>String.prototype.slice(<value>start</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
751 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
752 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
753 Returns a new string containing a part of an
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
754 original string between <literal>start</literal>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
755 and <literal>end</literal> or
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
756 from <literal>start</literal> to the end of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
757 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
758 >> 'abcdefghijklmno'.slice(NaN, 5)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
759 'abcde'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
760 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
761 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
762
2268
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
763 <tag-name id="string_split"><literal>String.prototype.split(([<value>string</value>|<value>regexp</value>[,
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
764 <value>limit</value>]]))</literal></tag-name>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
765 <tag-desc>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
766 Returns match of a string against a <literal>regexp</literal>.
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
767 The optional <literal>limit</literal> parameter is an integer that specifies
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
768 a limit on the number of splits to be found.
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
769 <example>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
770 >> 'abc'.split('')
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
771 [
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
772 'a',
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
773 'b',
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
774 'c'
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
775 ]
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
776 </example>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
777 </tag-desc>
cd1b26111884 Moved string.split to follow alphabetical order.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2267
diff changeset
778
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
779 <tag-name id="string_startswith"><literal>String.prototype.startsWith(<value>searchString</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
780 <value>position</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
781 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
782 Returns <literal>true</literal> if a string begins with the characters
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
783 of a specified string, otherwise <literal>false</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
784 The optional <literal>position</literal> parameter is the position
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
785 in this string at which to begin search for <literal>searchString</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
786 Default value is 0.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
787 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
788 >> 'abc'.startsWith('abc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
789 true
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
790 > 'aabc'.startsWith('abc')
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
791 false
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
792 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
793 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
794
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
795 <tag-name id="string_substr"><literal>String.prototype.substr(<value>start</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
796 <value>length</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
797 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
798 Returns the part of the string of the specified <literal>length</literal>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
799 from <literal>start</literal>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
800 or from <literal>start</literal> to the end of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
801 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
802 >> 'abcdefghijklmno'.substr(3, 5)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
803 'defgh'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
804 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
805 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
806
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
807 <tag-name id="string_substring"><literal>String.prototype.substring(<value>start</value>[,
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
808 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
809 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
810 Returns the part of the string between
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
811 <literal>start</literal> and <literal>end</literal> or
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
812 from <literal>start</literal> to the end of the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
813 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
814 >> 'abcdefghijklmno'.substring(3, 5)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
815 'de'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
816 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
817 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
818
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
819 <tag-name id="string_tobytes"><literal>String.prototype.toBytes(start[,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
820 end])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
821 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
822 (njs specific) Serializes a Unicode string to a byte string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
823 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
824 found in the string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
825 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
826
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
827 <tag-name id="string_tolowercase"><literal>String.prototype.toLowerCase()</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
828 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
829 Converts a string to lower case.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
830 The method supports only simple Unicode folding.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
831 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
832 >> 'ΑΒΓΔ'.toLowerCase()
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
833 'αβγδ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
834 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
835 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
836
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
837 <tag-name><literal>String.prototype.toString([<value>encoding</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
838 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
839 <para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
840 If no <literal>encoding</literal> is specified,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
841 returns a specified Unicode string or byte string as in ECMAScript.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
842 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
843
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
844 <para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
845 (njs specific) If <literal>encoding</literal> is specified,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
846 encodes a <link id="string_tobytes">byte string</link> to
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
847 <literal>hex</literal>,
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
848 <literal>base64</literal>, or
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
849 <literal>base64url</literal>.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
850 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
851 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
852 >> 'αβγδ'.toUTF8().toString('base64url')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
853 'zrHOss6zzrQ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
854 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
855 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
856
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
857 <tag-name id="string_touppercase"><literal>String.prototype.toUpperCase()</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
858 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
859 Converts a string to upper case.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
860 The method supports only simple Unicode folding.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
861 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
862 >> 'αβγδ'.toUpperCase()
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
863 'ΑΒΓΔ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
864 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
865 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
866
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
867 <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
868 <value>end</value>])</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
869 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
870 (njs specific) Serializes a Unicode string
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
871 to a byte string using UTF8 encoding.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
872 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
873 >> 'αβγδ'.toUTF8().length
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
874 8
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
875 >> 'αβγδ'.length
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
876 4
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
877 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
878 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
879
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
880 <tag-name id="string_trim"><literal>String.prototype.trim()</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
881 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
882 Removes whitespaces from both ends of a string.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
883 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
884 >> ' abc '.trim()
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
885 'abc'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
886 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
887 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
888
2414
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
889 <tag-name id="string_trimend"><literal>String.prototype.trimEnd()</literal></tag-name>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
890 <tag-desc>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
891 Removes whitespaces from the end of a string
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
892 (<link doc="changes.xml" id="njs0.3.4">0.3.4</link>).
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
893 <example>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
894 >> ' abc '.trimEnd()
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
895 ' abc'
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
896 </example>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
897 </tag-desc>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
898
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
899 <tag-name id="string_trimstart"><literal>String.prototype.trimStart()</literal></tag-name>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
900 <tag-desc>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
901 Removes whitespaces from the beginning of a string
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
902 (<link doc="changes.xml" id="njs0.3.4">0.3.4</link>).
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
903 <example>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
904 >> ' abc '.trimStart()
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
905 'abc '
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
906 </example>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
907 </tag-desc>
3b7223f9aac8 njs-0.3.4
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2405
diff changeset
908
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
909 <tag-name id="encodeuri"><literal>encodeURI(<value>URI</value>)</literal></tag-name>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
910 <tag-desc>
2315
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
911 Encodes a URI by replacing each instance of certain characters
ae56e4613280 Corrected language in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2313
diff changeset
912 by one, two, three, or four escape sequences
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
913 representing the UTF-8 encoding of the character
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
914 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
915 >> encodeURI('012αβγδ')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
916 '012%CE%B1%CE%B2%CE%B3%CE%B4'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
917 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
918 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
919
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
920 <tag-name id="encodeuricomponent"><literal>encodeURIComponent(<value>encodedURIString</value>)</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
921 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
922 Encodes a URI by replacing each instance of certain characters
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
923 by one, two, three, or four escape sequences
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
924 representing the UTF-8 encoding of the character.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
925 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
926 >> encodeURIComponent('[@?=')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
927 '%5B%40%3F%3D'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
928 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
929 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
930
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
931 <tag-name id="decodeuri"><literal>decodeURI(<value>encodedURI</value>)</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
932 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
933 Decodes a previously <link id="encodeuri">encoded</link> URI.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
934 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
935 >> decodeURI('012%CE%B1%CE%B2%CE%B3%CE%B4')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
936 '012αβγδ'
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
937 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
938 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
939
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
940 <tag-name id="decodeuricomponent"><literal>decodeURIComponent(<value>decodedURIString</value>)</literal></tag-name>
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
941 <tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
942 Decodes an encoded component of a previously encoded URI.
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
943 <example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
944 >> decodeURIComponent('%5B%40%3F%3D')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
945 '[@?='
2186
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
946 </example>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
947 </tag-desc>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
948
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
949 </list>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
950 </para>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
951
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
952 </section>
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
953
8e2b3aadc3ce Added njs String object.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2183
diff changeset
954
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
955 <section id="core_json" name="JSON">
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
956
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
957 <para>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
958 The <literal>JSON</literal> object (ES 5.1) provides functions
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
959 to convert njs values to and from JSON format.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
960 <list type="tag">
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
961
2394
bde611cbb7ae Reordered some items in njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2356
diff changeset
962 <tag-name id="core_json_parse"><literal>JSON.parse(<value>string</value>[,
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
963 <value>reviver</value>])</literal></tag-name>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
964 <tag-desc>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
965 Converts a <literal>string</literal> that represents JSON data
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
966 into an njs object (<literal>{...}</literal>) or
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
967 array (<literal>[...]</literal>).
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
968 The optional <literal>reviver</literal> parameter is a function (key, value)
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
969 that will be called for each (key,value) pair and can transform the value.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
970 </tag-desc>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
971
2394
bde611cbb7ae Reordered some items in njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2356
diff changeset
972 <tag-name id="core_json_stringify"><literal>JSON.stringify(<value>value</value>[,
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
973 <value>replacer</value>] [, <value>space</value>])</literal></tag-name>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
974 <tag-desc>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
975 Converts an njs object back to JSON.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
976 The obligatory <literal>value</literal> parameter is generally a JSON
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
977 <literal>object</literal> or <literal>array</literal> that will be converted.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
978 If the value has a <literal>toJSON()</literal> method,
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
979 it defines how the object will be serialized.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
980 The optional <literal>replacer</literal> parameter is
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
981 a <literal>function</literal> or <literal>array</literal>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
982 that transforms results.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
983 The optional <literal>space</literal> parameter is
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
984 a <literal>string</literal> or <literal>number</literal>.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
985 If it is a <literal>number</literal>,
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
986 it indicates the number of white spaces placed before a result
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
987 (no more than 10).
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
988 If it is a <literal>string</literal>,
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
989 it is used as a white space (or first 10 characters of it).
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
990 If omitted or is <literal>null</literal>, no white space is used.
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
991 </tag-desc>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
992 </list>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
993 </para>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
994
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
995 <para>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
996 <example>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
997 >> var json = JSON.parse('{"a":1, "b":true}')
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
998 >> json.a
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
999 1
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1000
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1001 >> JSON.stringify(json)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1002 '{"a":1,"b":true}'
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1003
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1004 >> JSON.stringify({ x: [10, undefined, function(){}] })
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1005 '{"x":[10,null,null]}'
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1006
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1007 >> JSON.stringify({"a":1, "toJSON": function() {return "xxx"}})
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1008 '"xxx"'
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1009
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1010 # Example with function replacer
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1011
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1012 >> function replacer(key, value) {return (typeof value === 'string') ? undefined : value}
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1013 >>JSON.stringify({a:1, b:"b", c:true}, replacer)
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1014 '{"a":1,"c":true}'
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1015 </example>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1016 </para>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1017
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1018 </section>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1019
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1020
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1021 <section id="crypto" name="Crypto">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1022
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1023 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1024 The Crypto module provides cryptographic functionality support.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1025 The Crypto module object is returned by <literal>require('crypto')</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1026 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1027
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1028 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1029 <list type="tag">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1030
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
1031 <tag-name id="crypto_createhash"><literal>crypto.createHash(<value>algorithm</value>)</literal></tag-name>
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1032 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1033 Creates and returns a <link id="crypto_hash">Hash</link> object
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1034 that can be used to generate hash digests
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1035 using the given <value>algorithm</value>.
2496
9dddac1420fe Fixed typo in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2484
diff changeset
1036 The algorithm can be
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1037 <literal>md5</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1038 <literal>sha1</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1039 <literal>sha256</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1040 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1041
2267
c30048802769 Added links to njs reference from njs Compatibility.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2259
diff changeset
1042 <tag-name id="crypto_createhmac"><literal>crypto.createHmac(<value>algorithm</value>,
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1043 <value>secret key</value>)</literal></tag-name>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1044 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1045 Creates and returns an <link id="crypto_hmac">HMAC</link> object
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1046 that uses the given <value>algorithm</value> and <value>secret key</value>.
2496
9dddac1420fe Fixed typo in njs reference.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2484
diff changeset
1047 The algorithm can be
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1048 <literal>md5</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1049 <literal>sha1</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1050 <literal>sha256</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1051 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1052
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1053 </list>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1054 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1055
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1056
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1057 <section id="crypto_hash" name="Hash">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1058
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1059 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1060 <list type="tag">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1061
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1062 <tag-name><literal>hash.update(<value>data</value>)</literal></tag-name>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1063 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1064 Updates the hash content with the given <value>data</value>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1065 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1066
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1067 <tag-name><literal>hash.digest([<value>encoding</value>])</literal></tag-name>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1068 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1069 Calculates the digest of all of the data passed using
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1070 <literal>hash.update()</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1071 The encoding can be
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1072 <literal>hex</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1073 <literal>base64</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1074 <literal>base64url</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1075 If encoding is not provided, a byte string is returned.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1076 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1077
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1078 </list>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1079 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1080
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1081 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1082 <example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1083 >> var cr = require('crypto')
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1084 undefined
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1085
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1086 >> cr.createHash('sha1').update('A').update('B').digest('base64url')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1087 'BtlFlCqiamG-GMPiK_GbvKjdK10'
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1088 </example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1089 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1090
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1091 </section>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1092
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1093
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1094 <section id="crypto_hmac" name="HMAC">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1095
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1096 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1097 <list type="tag">
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1098
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1099 <tag-name><literal>hmac.update(<value>data</value>)</literal></tag-name>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1100 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1101 Updates the HMAC content with the given <value>data</value>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1102 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1103
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1104 <tag-name><literal>hmac.digest([<value>encoding</value>])</literal></tag-name>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1105 <tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1106 Calculates the HMAC digest of all of the data passed using
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1107 <literal>hmac.update()</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1108 The encoding can be
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1109 <literal>hex</literal>,
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1110 <literal>base64</literal>, and
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1111 <literal>base64url</literal>.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1112 If encoding is not provided, a byte string is returned.
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1113 </tag-desc>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1114 </list>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1115 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1116
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1117 <para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1118 <example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1119 >> var cr = require('crypto')
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1120 undefined
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1121
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1122 >> cr.createHmac('sha1', 'secret.key').update('AB').digest('base64url')
2214
e029f4bc7ede Added quotes to njs examples.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2212
diff changeset
1123 'Oglm93xn23_MkiaEq_e9u8zk374'
2177
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1124 </example>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1125 </para>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1126
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1127 </section>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1128
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1129 </section>
79297494d291 Added njs Crypto API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2176
diff changeset
1130
2203
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1131 <section id="njs_api_timers" name="Timers">
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1132
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1133 <para>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1134
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1135 <list type="tag">
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1136
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1137 <tag-name id="cleartimeout"><literal>clearTimeout(<value>timeout</value>)</literal></tag-name>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1138 <tag-desc>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1139 Cancels a <literal>timeout</literal> object
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1140 created by <link id="settimeout">setTimeout()</link>.
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1141 </tag-desc>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1142
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1143 <tag-name id="settimeout"><literal>setTimeout(<value>function</value>,
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1144 <value>ms</value>[, <value>arg1</value>, <value>argN</value>])</literal></tag-name>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1145 <tag-desc>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1146 Calls a <literal>function</literal>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1147 after a specified number of <literal>milliseconds</literal>.
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1148 One or more optional <literal>arguments</literal>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1149 can be passed to the specified function.
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1150 Returns a <literal>timeout</literal> object.
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1151 <example>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1152 function handler(v)
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1153 {
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1154 // ...
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1155 }
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1156
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1157 t = setTimeout(handler, 12);
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1158
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1159 // ...
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1160
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1161 clearTimeout(t);
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1162 </example>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1163 </tag-desc>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1164
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1165 </list>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1166 </para>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1167
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1168 </section>
56a8cfb422ae Added setTimeout and clearTimeout for njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2202
diff changeset
1169
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1170
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1171 <section id="njs_api_fs" name="File System">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1172
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1173 <para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1174 The File System module provides operations with files.
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1175 </para>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1176
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1177 <para>
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1178 The module object is returned by <literal>require('fs')</literal>.
2508
d3d5b67a1462 Language fixes in njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2507
diff changeset
1179 Since <link doc="changes.xml" id="njs0.3.9">0.3.9</link>,
d3d5b67a1462 Language fixes in njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2507
diff changeset
1180 promissified versions of file system methods are available through
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1181 <literal>require('fs').promises</literal> object:
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1182 <example>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1183 > var fs = require('fs').promises;
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1184 undefined
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1185 > fs.readFile("/file/path").then((data)=>console.log(data))
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1186 &lt;file data&gt;
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1187 </example>
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1188 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1189
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1190 <tag-name id="fs_accesssync"><literal>accessSync(<value>path</value>[,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1191 <value>mode</value>])</literal></tag-name>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1192 <tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1193 Synchronously tests permissions for a file or directory
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1194 specified in the <literal>path</literal>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1195 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>).
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1196 If the check fails, an error will be returned,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1197 otherwise, the method will return undefined.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1198 <list type="tag">
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1199
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1200 <tag-name><literal>mode</literal></tag-name>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1201 <tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1202 by default is <link id="access_const"><literal>fs.constants.F_OK</literal></link>.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1203 The mode argument is an optional integer
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1204 that specifies the accessibility checks to be performed.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1205 <example>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1206 try {
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1207 fs.accessSync('/file/path', fs.constants.R_OK | fs.constants.W_OK);
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1208 console.log('has access');
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1209 } catch (e) {
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1210 console.log('no access');)
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1211 }
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1212 </example>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1213 </tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1214
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1215 </list>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1216 </tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1217
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1218 <tag-name id="appendfilesync"><literal>appendFileSync(<value>filename</value>,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1219 <value>data</value>[, <value>options</value>])</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1220 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1221 Synchronously appends specified <literal>data</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1222 to a file with provided <literal>filename</literal>.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1223 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
1224 The <literal>options</literal> parameter is expected to be
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1225 an object with the following keys:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1226 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1227
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1228 <tag-name><literal>mode</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1229 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1230 mode option, by default is <literal>0o666</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1231 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1232
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1233 <tag-name><literal>flag</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1234 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1235 file system <link id="njs_api_fs_flags">flag</link>,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1236 by default is <literal>a</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1237 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1238
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1239 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1240 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1241
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1242 <tag-name id="readfilesync"><literal>readFileSync(<value>filename</value>[,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1243 <value>options</value>])</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1244 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1245 Synchronously returns the contents of the file
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1246 with provided <literal>filename</literal>.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1247 The <literal>options</literal> parameter holds
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1248 <literal>string</literal> that specifies encoding.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1249 If not specified, a <link id="string_tobytes">byte string</link> is returned.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1250 If <literal>utf8</literal> encoding is specified, a Unicode string is returned.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1251 Otherwise, <literal>options</literal> is expected to be
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1252 an object with the following keys:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1253 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1254
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1255 <tag-name><literal>encoding</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1256 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1257 encoding, by default is not specified.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1258 The encoding can be <literal>utf8</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1259 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1260
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1261 <tag-name><literal>flag</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1262 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1263 file system <link id="njs_api_fs_flags">flag</link>,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1264 by default is <literal>r</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1265 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1266
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1267 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1268 <example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1269 >> var fs = require('fs')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1270 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1271 >> var file = fs.readFileSync('/file/path.tar.gz')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1272 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1273 >> var gzipped = /^\x1f\x8b/.test(file); gzipped
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1274 true
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1275 </example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1276 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1277
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1278 <tag-name id="fs_realpathsync"><literal>realpathSync(<value>path</value>[,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1279 <value>options</value>])</literal></tag-name>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1280 <tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1281 Synchronously computes the canonical pathname by resolving
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1282 <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
1283 <link url="http://man7.org/linux/man-pages/man3/realpath.3.html">realpath(3)</link>.
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1284 The <literal>options</literal> argument can be a string specifying an encoding,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1285 or an object with an encoding property specifying the character encoding
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1286 to use for the path passed to the callback
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1287 (<link doc="changes.xml" id="njs0.3.9">0.3.9</link>).
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1288 </tag-desc>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1289
2509
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1290 <tag-name id="fs_renamesync"><literal>renameSync(<value>oldPath</value>,
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1291 <value>newPath</value>)</literal></tag-name>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1292 <tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1293 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
1294 <literal>oldPath</literal> to <literal>newPath</literal>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1295 (<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
1296 <example>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1297 >> var fs = require('fs')
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1298 undefined
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1299 >> var file = fs.renameSync('hello.txt', 'HelloWorld.txt')
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1300 undefined
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1301 </example>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1302 </tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1303
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1304 <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
1305 <value>path</value>)</literal></tag-name>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1306 <tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1307 Synchronously creates the link called <literal>path</literal>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1308 pointing to <literal>target</literal> using
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1309 <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
1310 (<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
1311 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
1312 </tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1313
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1314 <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
1315 <tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1316 Synchronously unlinks a file by <literal>path</literal>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1317 (<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
1318 </tag-desc>
827a6d7fe108 Reordered alphabetically njs file system methods.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2508
diff changeset
1319
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1320 <tag-name id="writefilesync"><literal>writeFileSync(<value>filename</value>,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1321 <value>data</value>[,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1322 <value>options</value>])</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1323 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1324 Synchronously writes <literal>data</literal> to a file
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1325 with provided <literal>filename</literal>.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1326 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
1327 if the file exists, it will be replaced.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1328 The <literal>options</literal> parameter is expected to be
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1329 an object with the following keys:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1330 <list type="tag">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1331 <tag-name><literal>mode</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1332 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1333 mode option, by default is <literal>0o666</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1334 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1335
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1336 <tag-name><literal>flag</literal></tag-name>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1337 <tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1338 file system <link id="njs_api_fs_flags">flag</link>,
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1339 by default is <literal>w</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1340 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1341
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1342 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1343 <example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1344 >> var fs = require('fs')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1345 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1346 >> var file = fs.writeFileSync('hello.txt', 'Hello world')
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1347 undefined
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1348 </example>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1349 </tag-desc>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1350
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1351 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1352 </para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1353
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1354
2507
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1355 <section id="access_const" name="File Access Constants">
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1356
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1357 <para>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1358 The <link id="fs_accesssync"><literal>access()</literal></link> method
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1359 can accept the following flags.
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1360 These flags are exported by <literal>fs.constants</literal>:
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1361
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1362 <list type= "bullet" compact="no">
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1363
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1364 <listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1365 <literal>F_OK</literal>&mdash;indicates that the file
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1366 is visible to the calling process,
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1367 used by default if no mode is specified
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1368 </listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1369
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1370 <listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1371 <literal>R_OK</literal>&mdash;indicates that the file can be
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1372 read by the calling process
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1373 </listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1374
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1375 <listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1376 <literal>W_OK</literal>&mdash;indicates that the file can be
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1377 written by the calling process
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1378 </listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1379
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1380 <listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1381 <literal>X_OK</literal>&mdash;indicates that the file can be
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1382 executed by the calling process
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1383 </listitem>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1384
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1385 </list>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1386 </para>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1387
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1388 </section>
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1389
8ad2ea80e0c2 njs-0.3.9
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2497
diff changeset
1390
2204
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1391 <section id="njs_api_fs_flags" name="File System Flags">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1392
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1393 <para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1394 The <literal>flag</literal> option can accept the following values:
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1395
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1396 <list type= "bullet" compact="no">
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1397
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1398 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1399 <literal>a</literal>&mdash;open a file for appending.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1400 The file is created if it does not exist
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1401 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1402
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1403 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1404 <literal>ax</literal>&mdash;the same as <literal>a</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1405 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1406 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1407
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1408 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1409 <literal>a+</literal>&mdash;open a file for reading and appending.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1410 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
1411 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1412
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1413 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1414 <literal>ax+</literal>&mdash;the same as <literal>a+</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1415 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1416 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1417
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1418 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1419 <literal>as</literal>&mdash;open a file for appending in synchronous mode.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1420 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
1421 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1422
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1423 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1424 <literal>as+</literal>&mdash;open a file for reading and appending
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1425 in synchronous mode.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1426 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
1427 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1428
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1429 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1430 <literal>r</literal>&mdash;open a file for reading.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1431 An exception occurs if the file does not exist
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1432 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1433
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1434 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1435 <literal>r+</literal>&mdash;open a file for reading and writing.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1436 An exception occurs if the file does not exist
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1437 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1438
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1439 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1440 <literal>rs+</literal>&mdash;open a file for reading and writing
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1441 in synchronous mode.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1442 Instructs the operating system to bypass the local file system cache
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1443 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1444
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1445 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1446 <literal>w</literal>&mdash;open a file for writing.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1447 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
1448 If the file exists, it will be replaced
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1449 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1450
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1451 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1452 <literal>wx</literal>&mdash;the same as <literal>w</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1453 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1454 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1455
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1456 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1457 <literal>w+</literal>&mdash;open a file for reading and writing.
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1458 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
1459 If the file exists, it will be replaced
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1460 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1461
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1462 <listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1463 <literal>wx+</literal>&mdash;the same as <literal>w+</literal>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1464 but fails if the file already exists
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1465 </listitem>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1466
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1467 </list>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1468 </para>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1469
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1470 </section>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1471
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1472 </section>
001f2d905fd9 Documented fileSystem methods in njs.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2203
diff changeset
1473
2176
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1474 </section>
95b406f1f347 Added njs JSON API.
Yaroslav Zhuravlev <yar@nginx.com>
parents: 2175
diff changeset
1475
2175
cd4889fdcfa4 Moved njs HTTP and Stream API to a separate page.
Yaroslav Zhuravlev <yar@nginx.com>
parents:
diff changeset
1476 </article>