webpack5

babel.config.js

@@ -0,0 +1,14 @@
+const presets = [
+    [
+        "@babel/env",
+        {
+            "useBuiltIns": "usage",
+            "corejs": 3,
+            "targets": {
+                "chrome": "58",
+                "ie": "8"
+            }
+        }
+    ]
+]
+module.exports = { presets }

example/common-js-worker.js

@@ -1,12 +1,10 @@
-var gamma = require('gamma');
+var gamma = require('gamma')
 
-module.exports = function () {
-    self.addEventListener('message',function (ev){
-        var startNum = parseInt(ev.data); // ev.data=4 from main.js
-
-        setInterval(function () {
-            var r = startNum / Math.random() - 1;
-            self.postMessage([ startNum, r, gamma(r) ]);
-        }, 500);
-    });
-};
+self.addEventListener('message', function (ev) {
+    var startNum = parseInt(ev.data) // ev.data=4 from main.js
+
+    setInterval(function () {
+        var r = startNum / Math.random() - 1
+        self.postMessage([startNum, r, gamma(r)])
+    }, 500)
+})

example/es6-worker.js

@@ -1,12 +1,10 @@
-import gamma from 'gamma';
+import gamma from 'gamma'
+
+self.addEventListener('message', function (ev) {
+    var startNum = parseInt(ev.data) // ev.data=4 from main.js
+    setInterval(function () {
+        var r = startNum / Math.random() - 1
+        self.postMessage([startNum, r, gamma(r)])
+    }, 500)
+})
 
-export default function () {
-    self.addEventListener('message',function (ev){
-        var startNum = parseInt(ev.data); // ev.data=4 from main.js
-
-        setInterval(function () {
-            var r = startNum / Math.random() - 1;
-            self.postMessage([ startNum, r, gamma(r) ]);
-        }, 500);
-    });
-};

example/webpack.config.js

@@ -1,6 +1,5 @@
-var webpack = require('webpack')
-
 module.exports = {
+  mode: "development",
   entry: {
     app: ['./example/main.js']
   },
@@ -13,18 +12,8 @@ module.exports = {
       {
         test: /\.jsx?$/,
         exclude: /node_modules/,
-        use: [
-          {
-            loader: 'babel-loader',
-            options: {
-              presets: ['es2015']
-            }
-          }
-        ]
+        use: 'babel-loader'
       }
     ]
-  },
-  plugins: [
-    new webpack.NamedModulesPlugin()
-  ]
+  }
 }