74 lines
2.1 KiB
JavaScript
74 lines
2.1 KiB
JavaScript
'use strict';
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/* eslint-disable
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no-shadow,
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no-undefined
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*/
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const webpack = require('webpack');
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const addEntries = require('./addEntries');
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const getSocketClientPath = require('./getSocketClientPath');
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function updateCompiler(compiler, options) {
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if (options.inline !== false) {
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const findHMRPlugin = (config) => {
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if (!config.plugins) {
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return undefined;
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}
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return config.plugins.find(
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(plugin) => plugin.constructor === webpack.HotModuleReplacementPlugin
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);
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};
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const compilers = [];
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const compilersWithoutHMR = [];
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let webpackConfig;
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if (compiler.compilers) {
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webpackConfig = [];
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compiler.compilers.forEach((compiler) => {
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webpackConfig.push(compiler.options);
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compilers.push(compiler);
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if (!findHMRPlugin(compiler.options)) {
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compilersWithoutHMR.push(compiler);
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}
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});
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} else {
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webpackConfig = compiler.options;
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compilers.push(compiler);
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if (!findHMRPlugin(compiler.options)) {
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compilersWithoutHMR.push(compiler);
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}
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}
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// it's possible that we should clone the config before doing
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// this, but it seems safe not to since it actually reflects
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// the changes we are making to the compiler
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// important: this relies on the fact that addEntries now
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// prevents duplicate new entries.
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addEntries(webpackConfig, options);
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compilers.forEach((compiler) => {
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const config = compiler.options;
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compiler.hooks.entryOption.call(config.context, config.entry);
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const providePlugin = new webpack.ProvidePlugin({
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__webpack_dev_server_client__: getSocketClientPath(options),
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});
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providePlugin.apply(compiler);
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});
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// do not apply the plugin unless it didn't exist before.
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if (options.hot || options.hotOnly) {
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compilersWithoutHMR.forEach((compiler) => {
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// addDevServerEntrypoints above should have added the plugin
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// to the compiler options
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const plugin = findHMRPlugin(compiler.options);
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if (plugin) {
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plugin.apply(compiler);
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}
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});
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}
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}
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}
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module.exports = updateCompiler;
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