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comparison xml/en/docs/stream/ngx_stream_js_module.xml @ 2747:42fb92e582db

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Added note to js_set about asyncronous calls.
author Yaroslav Zhuravlev <yar@nginx.com>
date Mon, 05 Jul 2021 15:32:26 +0100
parents a45ba3a1d999
children a2852750c379
comparison
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2746:438e5c551d67 2747:42fb92e582db
7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd"> 7 <!DOCTYPE module SYSTEM "../../../../dtd/module.dtd">
8 8
9 <module name="Module ngx_stream_js_module" 9 <module name="Module ngx_stream_js_module"
10 link="/en/docs/stream/ngx_stream_js_module.html" 10 link="/en/docs/stream/ngx_stream_js_module.html"
11 lang="en" 11 lang="en"
12 rev="27"> 12 rev="28">
13 13
14 <section id="summary"> 14 <section id="summary">
15 15
16 <para> 16 <para>
17 The <literal>ngx_stream_js_module</literal> module is used to implement 17 The <literal>ngx_stream_js_module</literal> module is used to implement
278 its handler will not be executed until the log phase. 278 its handler will not be executed until the log phase.
279 This handler can be used to do some cleanup 279 This handler can be used to do some cleanup
280 right before the request is freed. 280 right before the request is freed.
281 </para> 281 </para>
282 282
283 <para>
284 <note>
285 As the <literal>js_set</literal> handler
286 returns its result immediately, it supports
287 only synchronous callbacks.
288 Thus, asynchronous callbacks such as
289 <link doc="../njs/reference.xml" id="ngx_fetch">ngx.fetch()</link>
290 or
291 <link doc="../njs/reference.xml" id="settimeout">setTimeout()</link>
292 are not supported.
293 </note>
294 </para>
295
283 </directive> 296 </directive>
284 297
285 298
286 <directive name="js_var"> 299 <directive name="js_var">
287 <syntax><value>$variable</value> [<value>value</value>]</syntax> 300 <syntax><value>$variable</value> [<value>value</value>]</syntax>