Enable webpack tree-shaking

Do not transform modules in src/ to commonjs to take benefit of tree-shaking (c.f webpack.config.js). However, keep it for unit tests (c.f .babelrc). https://babeljs.io/docs/plugins/preset-es2015/#optionsmodules
moshior · Jul 18, 2017 · f148d95 · f148d95
1 parent 149b9fe
commit f148d95
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Showing 3 changed files with 8 additions and 6 deletions.
diff --git a/.babelrc b/.babelrc
@@ -1,3 +1,3 @@
-  {
-    "presets": ["es2015"]
-  }
+{
+  "presets": ["latest"]
+}
diff --git a/package.json b/package.json
@@ -45,8 +45,8 @@
   },
   "devDependencies": {
     "arraybuffer-equal": "^1.0.4",
-    "babel-cli": "^6.23.0",
-    "babel-preset-es2015": "^6.18.0",
+    "babel-core": "^6.22.1",
+    "babel-preset-latest": "^6.22.0",
     "babel-loader": "^6.2.10",
     "babel-register": "^6.18.0",
     "chromedriver": "^2.27.1",

diff --git a/webpack.config.js b/webpack.config.js
@@ -24,7 +24,9 @@ var config = {
       ],
       loader: 'babel-loader',
       options: {
-        presets: ['es2015']
+        presets: [
+          ['latest', { es2015: { modules: false } }]
+        ]
       }
     }]
   },