source: trip-planner-front/node_modules/webpack-dev-server/lib/utils/updateCompiler.js

Last change on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago

initial commit

  • Property mode set to 100644
File size: 2.1 KB
Line 
1'use strict';
2
3/* eslint-disable
4 no-shadow,
5 no-undefined
6*/
7const webpack = require('webpack');
8const addEntries = require('./addEntries');
9const getSocketClientPath = require('./getSocketClientPath');
10
11function updateCompiler(compiler, options) {
12 if (options.inline !== false) {
13 const findHMRPlugin = (config) => {
14 if (!config.plugins) {
15 return undefined;
16 }
17
18 return config.plugins.find(
19 (plugin) => plugin.constructor === webpack.HotModuleReplacementPlugin
20 );
21 };
22
23 const compilers = [];
24 const compilersWithoutHMR = [];
25 let webpackConfig;
26 if (compiler.compilers) {
27 webpackConfig = [];
28 compiler.compilers.forEach((compiler) => {
29 webpackConfig.push(compiler.options);
30 compilers.push(compiler);
31 if (!findHMRPlugin(compiler.options)) {
32 compilersWithoutHMR.push(compiler);
33 }
34 });
35 } else {
36 webpackConfig = compiler.options;
37 compilers.push(compiler);
38 if (!findHMRPlugin(compiler.options)) {
39 compilersWithoutHMR.push(compiler);
40 }
41 }
42
43 // it's possible that we should clone the config before doing
44 // this, but it seems safe not to since it actually reflects
45 // the changes we are making to the compiler
46 // important: this relies on the fact that addEntries now
47 // prevents duplicate new entries.
48 addEntries(webpackConfig, options);
49 compilers.forEach((compiler) => {
50 const config = compiler.options;
51 compiler.hooks.entryOption.call(config.context, config.entry);
52
53 const providePlugin = new webpack.ProvidePlugin({
54 __webpack_dev_server_client__: getSocketClientPath(options),
55 });
56 providePlugin.apply(compiler);
57 });
58
59 // do not apply the plugin unless it didn't exist before.
60 if (options.hot || options.hotOnly) {
61 compilersWithoutHMR.forEach((compiler) => {
62 // addDevServerEntrypoints above should have added the plugin
63 // to the compiler options
64 const plugin = findHMRPlugin(compiler.options);
65 if (plugin) {
66 plugin.apply(compiler);
67 }
68 });
69 }
70 }
71}
72
73module.exports = updateCompiler;
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