Simpler babel settings

.babelrc

@@ -1,11 +1,4 @@
 {
-  "presets": [
-    "es2015",
-    "react",
-    "stage-1",
-  ],
-  plugins: [
-    "transform-runtime",
-  ],
+  "presets": [ "es2015-loose" ],
   "sourceMaps": "inline"
 }

package.json

@@ -37,10 +37,8 @@
   "homepage": "https://github.com/benmosher/eslint-plugin-import",
   "devDependencies": {
     "babel-eslint": "next",
-    "babel-plugin-transform-runtime": "6.5.2",
-    "babel-preset-es2015": "6.5.0",
-    "babel-preset-react": "6.5.0",
-    "babel-preset-stage-1": "6.5.0",
+    "babel-preset-es2015": "^6.6.0",
+    "babel-preset-es2015-loose": "^7.0.0",
     "chai": "^3.4.0",
     "coveralls": "^2.11.4",
     "cross-env": "^1.0.7",
@@ -61,14 +59,11 @@
     "eslint": "2.x"
   },
   "dependencies": {
-    "babel-runtime": "6.5.0",
     "doctrine": "1.2.0",
-    "eslint-import-resolver-node": "^0.1.0"
-  },
-  "greenkeeper": {
-    "ignore": [
-      "babel",
-      "babel-runtime"
-    ]
+    "es6-map": "^0.1.3",
+    "es6-set": "^0.1.4",
+    "es6-symbol": "*",
+    "eslint-import-resolver-node": "^0.1.0",
+    "object-assign": "^4.0.1"
   }
 }

src/core/getExports.js

@@ -1,3 +1,6 @@
+import 'es6-symbol/implement'
+import Map from 'es6-map'
+
 import * as fs from 'fs'
 
 import { createHash } from 'crypto'

src/core/parse.js

@@ -1,4 +1,5 @@
 import moduleRequire from './module-require'
+import assign from 'object-assign'
 
 export default function (content, context) {
 
@@ -9,8 +10,8 @@ export default function (content, context) {
   if (!parserPath) throw new Error("parserPath is required!")
 
   // hack: espree blows up with frozen options
-  parserOptions = Object.assign({}, parserOptions)
-  parserOptions.ecmaFeatures = Object.assign({}, parserOptions.ecmaFeatures)
+  parserOptions = assign({}, parserOptions)
+  parserOptions.ecmaFeatures = assign({}, parserOptions.ecmaFeatures)
 
   // always attach comments
   parserOptions.attachComment = true

src/core/resolve.js

@@ -1,3 +1,7 @@
+import 'es6-symbol/implement'
+import Map from 'es6-map'
+import assign from 'object-assign'
+
 import fs from 'fs'
 import { dirname, basename, join } from 'path'
 
@@ -46,7 +50,7 @@ export function relative(modulePath, sourceFile, settings) {
   const sourceDir = dirname(sourceFile)
       , cacheKey = sourceDir + hashObject(settings) + modulePath
 
-  const cacheSettings = Object.assign({
+  const cacheSettings = assign({
     lifetime: 30,  // seconds
   }, settings['import/cache'])
 
@@ -82,7 +86,7 @@ export function relative(modulePath, sourceFile, settings) {
 
   const resolvers = resolverReducer(configResolvers, new Map())
 
-  for (let [name, config] of resolvers.entries()) {
+  for (let [name, config] of resolvers) {
     const resolver = require(`eslint-import-resolver-${name}`)
 
     let fullPath = withResolver(resolver, config)

src/rules/export.js

@@ -1,3 +1,7 @@
+import 'es6-symbol/implement'
+import Map from 'es6-map'
+import Set from 'es6-set'
+
 import ExportMap, { recursivePatternCapture } from '../core/getExports'
 
 module.exports = function (context) {

src/rules/namespace.js

@@ -1,3 +1,6 @@
+import 'es6-symbol/implement'
+import Map from 'es6-map'
+
 import Exports from '../core/getExports'
 import importDeclaration from '../importDeclaration'
 import declaredScope from '../core/declaredScope'

src/rules/no-deprecated.js

@@ -1,3 +1,5 @@
+import Map from 'es6-map'
+
 import Exports from '../core/getExports'
 import declaredScope from '../core/declaredScope'
 

src/rules/no-duplicates.js

@@ -1,3 +1,7 @@
+import 'es6-symbol/implement'
+import Map from 'es6-map'
+import Set from 'es6-set'
+
 import resolve from '../core/resolve'
 
 module.exports = function (context) {

src/rules/no-unresolved.js

@@ -2,6 +2,9 @@
  * @fileOverview Ensures that an imported path exists, given resolution rules.
  * @author Ben Mosher
  */
+
+import 'es6-symbol/implement'
+
 import resolve from '../core/resolve'
 
 module.exports = function (context) {

tests/src/core/getExports.js

@@ -1,3 +1,4 @@
+import assign from 'object-assign'
 import { expect } from  'chai'
 import ExportMap from 'core/getExports'
 
@@ -45,7 +46,7 @@ describe('getExports', function () {
     const firstAccess = ExportMap.get('./named-exports', fakeContext)
     expect(firstAccess).to.exist
 
-    const differentSettings = Object.assign(
+    const differentSettings = assign(
       {},
       fakeContext,
       { parserPath: 'espree' })

tests/src/package.js

@@ -1,3 +1,5 @@
+import 'es6-symbol/implement'
+
 var expect = require('chai').expect
 
 var path = require('path')

tests/src/rules/no-unresolved.js

@@ -1,5 +1,6 @@
-var path = require('path')
+import * as path from 'path'
 
+import assign from 'object-assign'
 import { test } from '../utils'
 
 import { RuleTester } from 'eslint'
@@ -11,7 +12,7 @@ function runResolverTests(resolver) {
   // redefine 'test' to set a resolver
   // thus 'rest'. needed something 4-chars-long for formatting simplicity
   function rest(specs) {
-    specs.settings = Object.assign({},
+    specs.settings = assign({},
       specs.settings,
       { 'import/resolver': resolver }
     )

tests/src/utils.js

@@ -1,7 +1,8 @@
 import path from 'path'
+import assign from 'object-assign'
 
 // warms up the module cache. this import takes a while (>500ms)
-require('babel-eslint')
+import 'babel-eslint'
 
 export function testFilePath(relativePath) {
     return path.join(process.cwd(), './tests/files', relativePath)
@@ -10,7 +11,7 @@ export function testFilePath(relativePath) {
 export const FILENAME = testFilePath('foo.js')
 
 export function test(t) {
-  return Object.assign({
+  return assign({
     filename: FILENAME,
     parserOptions: {
       sourceType: 'module',