Upgrade to Babel 6

Author: leebyron

.eslintrc

@@ -69,6 +69,7 @@
     "indent": [2, 2, {"SwitchCase": 1}],
     "init-declarations": 0,
     "key-spacing": [2, {"beforeColon": false, "afterColon": true}],
+    "keyword-spacing": 2,
     "linebreak-style": 2,
     "lines-around-comment": 0,
     "max-depth": 0,
@@ -100,7 +101,6 @@
     "no-else-return": 2,
     "no-empty": 2,
     "no-empty-character-class": 2,
-    "no-empty-label": 2,
     "no-eq-null": 0,
     "no-eval": 2,
     "no-ex-assign": 2,
@@ -194,12 +194,10 @@
     "semi": [2, "always"],
     "semi-spacing": [2, {"before": false, "after": true}],
     "sort-vars": 0,
-    "space-after-keywords": [2, "always"],
     "space-before-blocks": [2, "always"],
     "space-before-function-paren": [2, {"anonymous": "always", "named": "never"}],
     "space-in-parens": 0,
     "space-infix-ops": [2, {"int32Hint": false}],
-    "space-return-throw-case": 2,
     "space-unary-ops": [2, {"words": true, "nonwords": false}],
     "spaced-comment": [2, "always"],
     "strict": 0,

package.json

@@ -20,15 +20,54 @@
   "options": {
     "mocha": "--require resources/mocha-bootload src/**/__tests__/**/*.js"
   },
+  "babel": {
+    "plugins": [
+      "transform-async-to-generator",
+      "transform-class-properties",
+      "transform-flow-strip-types",
+      "transform-es2015-template-literals",
+      "transform-es2015-literals",
+      "transform-es2015-function-name",
+      "transform-es2015-arrow-functions",
+      [
+        "transform-es2015-classes",
+        {
+          "loose": true
+        }
+      ],
+      "transform-es2015-shorthand-properties",
+      [
+        "transform-es2015-spread",
+        {
+          "loose": true
+        }
+      ],
+      "transform-es2015-parameters",
+      [
+        "transform-es2015-destructuring",
+        {
+          "loose": true
+        }
+      ],
+      "add-module-exports",
+      "transform-es2015-block-scoping",
+      [
+        "transform-es2015-modules-commonjs",
+        {
+          "loose": true
+        }
+      ]
+    ]
+  },
   "scripts": {
     "test": "npm run lint && npm run check && npm run testonly",
-    "testonly": "mocha $npm_package_options_mocha",
+    "testonly": "babel-node ./node_modules/.bin/_mocha $npm_package_options_mocha",
     "lint": "eslint src",
     "check": "flow check",
     "build": "babel src --ignore __tests__ --out-dir dist/ ; cp src/index.js dist/index.js.flow ; cp src/index.d.ts dist/",
-    "watch": "babel --optional runtime resources/watch.js | node",
-    "cover": "babel-node node_modules/.bin/isparta cover --root src --report html node_modules/.bin/_mocha -- $npm_package_options_mocha",
-    "cover:lcov": "babel-node node_modules/.bin/isparta cover --root src --report lcovonly node_modules/.bin/_mocha -- $npm_package_options_mocha",
+    "watch": "babel resources/watch.js | node",
+    "cover": "babel-node node_modules/.bin/isparta cover --root src --report html _mocha -- $npm_package_options_mocha",
+    "cover:lcov": "babel-node node_modules/.bin/isparta cover --root src --report lcovonly _mocha -- $npm_package_options_mocha",
     "preversion": ". ./resources/checkgit.sh && npm test",
     "prepublish": ". ./resources/prepublish.sh"
   },
@@ -41,16 +80,29 @@
     "PATENTS"
   ],
   "devDependencies": {
-    "babel": "5.8.21",
-    "babel-runtime": "^5.8.x",
-    "babel-core": "5.8.22",
-    "babel-eslint": "4.1.8",
+    "babel-cli": "6.14.0",
+    "babel-eslint": "6.1.2",
+    "babel-plugin-add-module-exports": "0.2.1",
+    "babel-plugin-transform-async-to-generator": "6.8.0",
+    "babel-plugin-transform-class-properties": "6.11.5",
+    "babel-plugin-transform-es2015-arrow-functions": "6.8.0",
+    "babel-plugin-transform-es2015-block-scoping": "6.15.0",
+    "babel-plugin-transform-es2015-classes": "6.14.0",
+    "babel-plugin-transform-es2015-destructuring": "6.9.0",
+    "babel-plugin-transform-es2015-function-name": "6.9.0",
+    "babel-plugin-transform-es2015-literals": "6.8.0",
+    "babel-plugin-transform-es2015-modules-commonjs": "6.14.0",
+    "babel-plugin-transform-es2015-parameters": "6.11.4",
+    "babel-plugin-transform-es2015-shorthand-properties": "6.8.0",
+    "babel-plugin-transform-es2015-spread": "6.8.0",
+    "babel-plugin-transform-es2015-template-literals": "6.8.0",
+    "babel-plugin-transform-flow-strip-types": "6.14.0",
     "chai": "3.5.0",
     "coveralls": "2.11.14",
-    "eslint": "1.10.3",
-    "eslint-plugin-babel": "2.2.0",
+    "eslint": "3.5.0",
+    "eslint-plugin-babel": "3.3.0",
     "flow-bin": "0.32.0",
-    "isparta": "3.0.3",
+    "isparta": "4.0.0",
     "mocha": "3.0.2",
     "sane": "1.4.1"
   },

resources/mocha-bootload.js

@@ -7,10 +7,6 @@
  *  of patent rights can be found in the PATENTS file in the same directory.
  */
 
-require('babel/register')({
-  optional: ['runtime', 'es7.asyncFunctions']
-});
-
 process.on('unhandledRejection', function (error) {
   console.error('Unhandled Promise Rejection:');
   console.error(error && error.stack || error);

resources/prepublish.sh

@@ -29,5 +29,6 @@ cp dist/* .
 node -e "var package = require('./package.json'); \
   delete package.scripts; \
   delete package.options; \
+  delete package.babel; \
   delete package.devDependencies; \
   require('fs').writeFileSync('package.json', JSON.stringify(package));"

src/__tests__/abuse-test.js

@@ -60,7 +60,7 @@ describe('Provides descriptive error messages for API abuse', () => {
       idLoader.loadMany();
     }).to.throw(
       'The loader.loadMany() function must be called with Array<key> ' +
-      `but got: undefined.`
+      'but got: undefined.'
     );
 
     expect(() => {