feat: stop transpiling and use uglify-harmony

README.md

@@ -38,7 +38,6 @@ Your `package.json` should have the following entries.
 
 To bring you its many benefits, `aegir` requires
 
-- [ES6 / Babel](https://github.com/babel/babel) transpilation
 - JS written in [Standard](https://github.com/feross/standard) style
 - Tests written in [Mocha](https://github.com/mochajs/mocha)
 - [Karma](https://github.com/karma-runner/karma) for browser tests

config/karma.conf.js

@@ -1,6 +1,5 @@
 'use strict'
 
-const path = require('path')
 const webpackConfig = require('./webpack')
 const timeout = require('./custom').timeout
 
@@ -63,7 +62,7 @@ let browsers = []
 if (process.env.TRAVIS) {
   if (process.env.SAUCE_USERNAME) {
     browsers = Object.keys(launchers)
-    concurrency = 2
+    concurrency = 3
     reporters = ['progress', 'saucelabs']
   } else {
     browsers.push('Firefox')
@@ -82,7 +81,6 @@ module.exports = function (config) {
       }
     },
     files: [
-      path.join(require.resolve('babel-polyfill'), '/../../dist/polyfill.js'),
       'test/browser.js',
       'test/**/*.spec.js'
     ],

config/webpack.js

@@ -4,14 +4,14 @@ const path = require('path')
 const upperFirst = require('lodash.upperfirst')
 const camelCase = require('lodash.camelcase')
 const merge = require('webpack-merge')
+const webpack = require('webpack')
 
 const pkg = require(path.resolve('package.json'))
 let customConfig = {}
 try {
   customConfig = require(path.resolve('.aegir.js'))
 } catch (err) {
 }
-const babel = require('./babel')
 
 // e.g. peer-id -> PeerId
 const libraryName = upperFirst(camelCase(pkg.name))
@@ -31,7 +31,6 @@ const specific = merge(custom1, custom2)
 
 const shared = {
   entry: [
-    require.resolve('babel-polyfill'),
     path.resolve('src/index.js')
   ],
   output: {
@@ -53,24 +52,15 @@ const shared = {
   },
   module: {
     loaders: [{
-      test: /\.js$/,
-      exclude: /node_modules|vendor/,
-      loader: 'babel',
-      query: babel
-    }, {
-      test: /\.js$/,
-      include: /node_modules\/(hoek|qs|wreck|boom|ipfs|promisify-es|whatwg-fetch|node-fetch|isomorphic-fetch|db\.js)/,
-      loader: 'babel',
-      query: babel
-    }, {
       test: /\.json$/,
       loader: 'json'
     }]
   },
   node: {
     Buffer: true
   },
-  plugins: []
+  plugins: [],
+  target: 'web'
 }
 
 const dev = merge(shared, {

package.json

@@ -16,7 +16,6 @@
   },
   "keywords": [
     "webpack",
-    "babel",
     "standard",
     "lint",
     "build"
@@ -25,25 +24,19 @@
   "license": "MIT",
   "dependencies": {
     "args-parser": "^1.0.2",
-    "babel-core": "^6.14.0",
-    "babel-loader": "^6.2.5",
-    "babel-polyfill": "^6.13.0",
-    "babel-preset-es2015": "^6.14.0",
-    "brfs": "^1.4.3",
     "chalk": "^1.1.3",
     "conventional-github-releaser": "^1.1.3",
     "coveralls": "^2.11.14",
-    "eslint": "^3.6.0",
-    "eslint-config-standard": "^6.1.0",
-    "eslint-plugin-promise": "^3.0.0",
-    "eslint-plugin-standard": "^2.0.0",
+    "eslint": "^3.8.1",
+    "eslint-config-standard": "^6.2.1",
+    "eslint-plugin-promise": "^3.3.0",
+    "eslint-plugin-standard": "^2.0.1",
     "gulp": "^3.9.1",
-    "gulp-babel": "^6.1.2",
     "gulp-bump": "^2.4.0",
     "gulp-conventional-changelog": "^1.1.0",
     "gulp-eslint": "^3.0.1",
     "gulp-filter": "^4.0.0",
-    "gulp-git": "^1.11.3",
+    "gulp-git": "^1.12.0",
     "gulp-mocha": "^3.0.1",
     "gulp-rename": "^1.2.2",
     "gulp-size": "^2.1.0",
@@ -57,31 +50,33 @@
     "karma": "^1.3.0",
     "karma-chrome-launcher": "^2.0.0",
     "karma-firefox-launcher": "^1.0.0",
-    "karma-mocha": "^1.1.1",
+    "karma-mocha": "^1.2.0",
     "karma-mocha-own-reporter": "^1.1.2",
     "karma-sauce-launcher": "^1.1.0",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "^1.8.0",
     "lodash.camelcase": "^4.3.0",
     "lodash.includes": "^4.3.0",
     "lodash.upperfirst": "^4.3.1",
-    "mocha": "^3.0.2",
+    "mocha": "^3.1.2",
     "pretty-hrtime": "^1.0.2",
+    "pump": "^1.0.1",
     "rimraf": "^2.5.4",
     "run-sequence": "^1.2.2",
     "semver": "^5.3.0",
     "signal-exit": "^3.0.1",
     "stream-http": "^2.4.0",
     "transform-loader": "^0.2.3",
+    "uglify-js": "github:mishoo/UglifyJS2#harmony",
     "webpack": "^2.1.0-beta.25",
-    "webpack-merge": "^0.14.1"
+    "webpack-merge": "^0.15.0"
   },
   "repository": {
     "type": "git",
     "url": "https://github.com/dignifiedquire/aegir"
   },
   "engines": {
-    "node": ">=4.2.2"
+    "node": ">=4.0.0"
   },
   "contributors": [
     "David Dias <daviddias.p@gmail.com>",

tasks/build/browser.js

@@ -3,10 +3,12 @@
 module.exports = (gulp) => {
   gulp.task('build:browser', ['clean:browser'], (done) => {
     const webpack = require('webpack')
-    const uglify = require('gulp-uglify')
+    const minifier = require('gulp-uglify/minifier')
     const util = require('gulp-util')
     const size = require('gulp-size')
     const rename = require('gulp-rename')
+    const uglify = require('uglify-js')
+    const pump = require('pump')
 
     const config = require('../../config/webpack')
 
@@ -18,16 +20,17 @@ module.exports = (gulp) => {
     )
 
     webpack(c, webpackDone(() => {
-      gulp.src('dist/index.js')
-        .pipe(uglify({
+      pump([
+        gulp.src('dist/index.js'),
+        minifier({
           mangle: false
-        }))
-        .pipe(rename({
+        }, uglify),
+        rename({
           suffix: '.min'
-        }))
-        .pipe(size())
-        .pipe(gulp.dest('dist'))
-        .once('end', done)
+        }),
+        size(),
+        gulp.dest('dist')
+      ], done)
     }))
 
     function webpackDone (done) {