chore(ilc/client): better support for source maps on prod

ilc/build/webpack.js

@@ -1,7 +1,7 @@
 /* eslint-env node */
 const fs = require('fs');
 const path = require('path');
-const { DefinePlugin } = require('webpack');
+const { DefinePlugin, SourceMapDevToolPlugin } = require('webpack');
 const WrapperPlugin = require('wrapper-webpack-plugin');
 const { DuplicateIlcPluginsWebpackPlugin, ResolveIlcDefaultPluginsWebpackPlugin } = require('ilc-plugins-sdk/webpack');
 
@@ -55,8 +55,12 @@ module.exports = {
         new DefinePlugin({
             LEGACY_PLUGINS_DISCOVERY_ENABLED: JSON.stringify(environment.isLegacyPluginsDiscoveryEnabled()),
         }),
+        new SourceMapDevToolPlugin({
+            append: '\n//# sourceMappingURL=http://localhost:8233/_ilc/[url]',
+            filename: '[file].map[query]',
+        }),
     ],
-    devtool: 'source-map',
+    devtool: 'hidden-source-map',
     externals: [],
     /**
      * Very slow performance on macos with webpack-dev-middleware

ilc/package.json

@@ -29,6 +29,7 @@
     "cidr-matcher": "^2.1.1",
     "config": "^3.3.9",
     "cookie": "^0.5.0",
+    "cors": "^2.8.5",
     "cross-env": "^7.0.3",
     "debug": "^4.3.4",
     "deepmerge": "4.3.1",

ilc/server/serveStatic.js

@@ -1,6 +1,5 @@
-'use strict';
-
 const serveStatic = require('serve-static');
+const cors = require('cors');
 
 module.exports = function (isProduction) {
     if (isProduction) {
@@ -14,5 +13,5 @@ module.exports = function (isProduction) {
     const webpackConfig = require('../../build/webpack.dev');
     const compiler = webpack(webpackConfig);
 
-    return [webpackDevMiddleware(compiler), serveStatic('public')];
+    return [cors({ origin: true }), webpackDevMiddleware(compiler), serveStatic('public')];
 };