draft: refactor project so it sits on top of a standalone app

2020-05-11 15:34:47 +02:00
parent a9ee5acc1c
commit f97e8455fc
13068 changed files with 1735502 additions and 866 deletions
@@ -0,0 +1,73 @@
+'use strict';
+
+/* eslint-disable
+  no-shadow,
+  no-undefined
+*/
+const webpack = require('webpack');
+const addEntries = require('./addEntries');
+const getSocketClientPath = require('./getSocketClientPath');
+
+function updateCompiler(compiler, options) {
+  if (options.inline !== false) {
+    const findHMRPlugin = (config) => {
+      if (!config.plugins) {
+        return undefined;
+      }
+
+      return config.plugins.find(
+        (plugin) => plugin.constructor === webpack.HotModuleReplacementPlugin
+      );
+    };
+
+    const compilers = [];
+    const compilersWithoutHMR = [];
+    let webpackConfig;
+    if (compiler.compilers) {
+      webpackConfig = [];
+      compiler.compilers.forEach((compiler) => {
+        webpackConfig.push(compiler.options);
+        compilers.push(compiler);
+        if (!findHMRPlugin(compiler.options)) {
+          compilersWithoutHMR.push(compiler);
+        }
+      });
+    } else {
+      webpackConfig = compiler.options;
+      compilers.push(compiler);
+      if (!findHMRPlugin(compiler.options)) {
+        compilersWithoutHMR.push(compiler);
+      }
+    }
+
+    // it's possible that we should clone the config before doing
+    // this, but it seems safe not to since it actually reflects
+    // the changes we are making to the compiler
+    // important: this relies on the fact that addEntries now
+    // prevents duplicate new entries.
+    addEntries(webpackConfig, options);
+    compilers.forEach((compiler) => {
+      const config = compiler.options;
+      compiler.hooks.entryOption.call(config.context, config.entry);
+
+      const providePlugin = new webpack.ProvidePlugin({
+        __webpack_dev_server_client__: getSocketClientPath(options),
+      });
+      providePlugin.apply(compiler);
+    });
+
+    // do not apply the plugin unless it didn't exist before.
+    if (options.hot || options.hotOnly) {
+      compilersWithoutHMR.forEach((compiler) => {
+        // addDevServerEntrypoints above should have added the plugin
+        // to the compiler options
+        const plugin = findHMRPlugin(compiler.options);
+        if (plugin) {
+          plugin.apply(compiler);
+        }
+      });
+    }
+  }
+}
+
+module.exports = updateCompiler;