shim "this" reference in playground (#5277)

ampproject · Jan 29, 2021 · 9edb6d3 · 9edb6d3
1 parent a06b1df
commit 9edb6d3
Showing 1 changed file with 7 additions and 0 deletions.
diff --git a/playground/webpack.config.js b/playground/webpack.config.js
@@ -1,4 +1,5 @@
 const path = require('path');
+const webpack = require('webpack');
 const ClosurePlugin = require('closure-webpack-plugin');
 const MiniCssExtractPlugin = require('mini-css-extract-plugin');
 const OptimizeCSSAssetsPlugin = require('optimize-css-assets-webpack-plugin');
@@ -20,6 +21,9 @@ module.exports = (env, argv) => {
       sourceMapFilename: '[name].map',
       publicPath: '',
     },
+    node: {
+      global: false,
+    },
     optimization: {
       minimizer: [
         new ClosurePlugin({mode: 'STANDARD'}, {}),
@@ -43,6 +47,9 @@ module.exports = (env, argv) => {
       },
     },
     plugins: [
+      new webpack.DefinePlugin({
+        global: '(typeof globalThis ? globalThis : self)',
+      }),
       new CopyWebpackPlugin({
         patterns: [{from: path.join(__dirname, 'static/')}],
       }),