Use babel-preset-env when transpiling to lib/ targeting Node.js v4

#233
insin · Jan 15, 2017 · 603edf3 · 603edf3
1 parent 93bc11c
commit 603edf3
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diff --git a/CHANGES.md b/CHANGES.md
@@ -7,6 +7,7 @@
 
 **Internal:**
 
+- Use [`babel-preset-env`](https://github.com/babel/babel-preset-env/) when transpiling to `lib/`, targeting Node.js v4.
 - Use ES2015 `String` methods available in Node.js v4 instead of `String.prototype.indexOf` comparisons.
 
 # 0.14.1 / 2017-01-13

diff --git a/package.json b/package.json
@@ -120,6 +120,7 @@
     "webpack-md5-hash": "0.0.5"
   },
   "devDependencies": {
+    "babel-preset-env": "1.1.8",
     "cross-env": "3.1.4",
     "eslint-config-jonnybuchanan": "4.8.0",
     "eventsource": "0.2.1",
@@ -141,8 +142,13 @@
   ],
   "babel": {
     "presets": [
-      ["es2015", {"loose": true}],
-      "stage-2"
+      ["env", {
+        "loose": true,
+        "targets": {
+          "node": 4
+        }
+      }],
+      "stage-3"
     ],
     "plugins": [
       "add-module-exports"