Chore: Theme Extension (#16686)

build/webpack.extension.js

@@ -0,0 +1,33 @@
+const path = require('path');
+const CopyWebpackPlugin = require('copy-webpack-plugin');
+const demoConfig = require('./webpack.demo');
+const webpack = require('webpack');
+const ProgressBarPlugin = require('progress-bar-webpack-plugin');
+const VueLoaderPlugin = require('vue-loader/lib/plugin');
+
+demoConfig.entry = {
+  background: path.join(process.cwd(), './examples/extension/src/background'),
+  entry: path.join(process.cwd(), './examples/extension/src/entry')
+};
+demoConfig.output = {
+  path: path.join(process.cwd(), './examples/extension/dist'),
+  filename: '[name].js'
+};
+demoConfig.plugins = [
+  new CopyWebpackPlugin([
+    { from: 'examples/extension/src/manifest.json' },
+    { from: 'examples/extension/src/icon.png' }
+  ]),
+  new VueLoaderPlugin(),
+  new ProgressBarPlugin(),
+  new webpack.LoaderOptionsPlugin({
+    vue: {
+      compilerOptions: {
+        preserveWhitespace: false
+      }
+    }
+  }),
+  new webpack.HotModuleReplacementPlugin()
+];
+demoConfig.module.rules.find(a => a.loader === 'url-loader').query = {};
+module.exports = demoConfig;