Merge pull request #2032 from overleaf/as-upgrade-webpack

Upgrade webpack to v4

GitOrigin-RevId: a92c487fee79c29c5314273bf05439c9dbb0ce4d

services/web/webpack.config.dev.js

@@ -3,43 +3,45 @@ const merge = require('webpack-merge')
 const base = require('./webpack.config')
 
 module.exports = merge(base, {
-	// Enable source maps for dev (fast compilation, slow runtime)
-	devtool: 'cheap-module-eval-source-map',
+  mode: 'development',
 
-	output: {
-		publicPath: '/public/js/es/'
-	},
+  // Enable source maps for dev (fast compilation, slow runtime)
+  devtool: 'cheap-module-eval-source-map',
 
-	devServer: {
-		// Disable webpack dev server auto-reload
-		inline: false,
+  output: {
+    publicPath: '/public/js/es/'
+  },
 
-		// Expose dev server as localhost with dev box
-		host: '0.0.0.0',
+  devServer: {
+    // Disable webpack dev server auto-reload
+    inline: false,
 
-		// Webpack-rails default port for webpack-dev-server
-		port: 3808,
+    // Expose dev server as localhost with dev box
+    host: '0.0.0.0',
 
-		// Allow CORS
-		headers: {
-			'Access-Control-Allow-Origin': '*'
-		},
+    // Webpack-rails default port for webpack-dev-server
+    port: 3808,
 
-		// Customise output to the (node) console
-		stats: {
-			colors: true, // Enable some coloured highlighting
-			timings: true, // Show build timing info
-			assets: true, // Show output bundles
-			warnings: true, // Show build warnings
-			// Hide some overly verbose output
-			hash: false,
-			version: false,
-			chunks: false
-		}
-	},
+    // Allow CORS
+    headers: {
+      'Access-Control-Allow-Origin': '*'
+    },
 
-	// Disable performance budget warnings as code is uncompressed in dev mode
-	performance: {
-		hints: false
-	}
+    // Customise output to the (node) console
+    stats: {
+      colors: true, // Enable some coloured highlighting
+      timings: true, // Show build timing info
+      assets: true, // Show output bundles
+      warnings: true, // Show build warnings
+      // Hide some overly verbose output
+      hash: false,
+      version: false,
+      chunks: false
+    }
+  },
+
+  // Disable performance budget warnings as code is uncompressed in dev mode
+  performance: {
+    hints: false
+  }
 })