Replace webpack with rollup (#138)

.babelrc

@@ -1,5 +1,6 @@
 {
   "presets": [
     ["es2015", { "modules": false }]
-  ]
+  ],
+  "plugins": ["external-helpers"]
 }

css/style.css

@@ -1148,10 +1148,6 @@ input.faq-search {
     color: #95A5A6;
     -webkit-transition: .15s;
     transition: .15s; }
-  input.faq-search::-moz-placeholder {
-    color: #95A5A6;
-    -webkit-transition: .15s;
-    transition: .15s; }
   input.faq-search:-ms-input-placeholder {
     color: #95A5A6;
     -webkit-transition: .15s;
@@ -1166,8 +1162,6 @@ input.faq-search {
     border-color: #5D6D77; }
     input.faq-search:hover::-webkit-input-placeholder {
       color: #5D6D77; }
-    input.faq-search:hover::-moz-placeholder {
-      color: #5D6D77; }
     input.faq-search:hover:-ms-input-placeholder {
       color: #5D6D77; }
     input.faq-search:hover::placeholder {
@@ -1178,8 +1172,6 @@ input.faq-search {
     border-color: #27AE60; }
     input.faq-search:focus::-webkit-input-placeholder {
       color: #27AE60; }
-    input.faq-search:focus::-moz-placeholder {
-      color: #27AE60; }
     input.faq-search:focus:-ms-input-placeholder {
       color: #27AE60; }
     input.faq-search:focus::placeholder {

gulp/config.js

@@ -1,4 +1,61 @@
+const babel = require('rollup-plugin-babel');
+const resolve = require('rollup-plugin-node-resolve');
+const commonjs = require('rollup-plugin-commonjs');
+const uglify = require('rollup-plugin-uglify');
 
-module.exports = {
-  watch: false,
+const commonjsOptions = {
+  include: 'node_modules/**',
 };
+
+const babelOptions = {
+  exclude: 'node_modules/**',
+};
+
+const uglifyOptions = {
+  sourceMap: true,
+  comments: false,
+  screw_ie8: true,
+  compress: {
+    warnings: true,
+    drop_console: true,
+  },
+  mangle: true,
+};
+
+const entry = './src/shuffle.js';
+const moduleName = 'shuffle';
+const format = 'umd';
+const sourceMap = true;
+
+module.exports.configs = [
+  {
+    entry,
+    cache: undefined,
+    plugins: [
+      resolve(),
+      commonjs(commonjsOptions),
+      babel(babelOptions),
+    ],
+    dest: './dist/shuffle.js',
+    sourceMap,
+    moduleName,
+    format,
+  },
+
+  {
+    entry,
+    cache: undefined,
+    plugins: [
+      resolve(),
+      commonjs(commonjsOptions),
+      babel(babelOptions),
+      uglify(uglifyOptions),
+    ],
+    dest: './dist/shuffle.min.js',
+    sourceMap,
+    moduleName,
+    format,
+  },
+];
+
+module.exports.watch = false;

gulp/tasks/compile.js

@@ -1,31 +0,0 @@
-'use strict';
-
-const gutil = require('gulp-util');
-const webpack = require('webpack');
-const config = require('../config');
-
-module.exports = function compile(done) {
-  let main = Object.assign({}, require('../../webpack.config.js'));
-  let min = Object.assign({}, require('../../webpack.config.min.js'));
-  let compiler = webpack([main, min]);
-
-  let isDone = false;
-  function callback(err, stats) {
-    if (err) {
-      throw new Error(err);
-    }
-
-    gutil.log(stats.toString({ colors: true }));
-
-    if (!isDone) {
-      isDone = true;
-      done();
-    }
-  }
-
-  if (config.watch) {
-    compiler.watch({}, callback);
-  } else {
-    compiler.run(callback);
-  }
-};

gulp/tasks/scripts.js

@@ -0,0 +1,11 @@
+const rollup = require('rollup').rollup;
+const configs = require('../config').configs;
+
+module.exports = function scripts() {
+  const bundles = configs.map(config => rollup(config).then((bundle) => {
+    config.cache = bundle;
+    return bundle.write(config);
+  }));
+
+  return Promise.all(bundles);
+};

gulp/tasks/set-watching.js

@@ -1,13 +1,13 @@
-'use strict';
-
 const gulp = require('gulp');
 const config = require('../config');
 const cssTask = require('./css');
 const testTask = require('./test');
+const scriptsTask = require('./scripts');
 
 module.exports = function setWatching(done) {
   config.watch = true;
   gulp.watch('_scss/*.scss', cssTask);
   gulp.watch('test/*', testTask);
+  gulp.watch('src/*', scriptsTask);
   done();
 };

gulp/tasks/test.js

@@ -1,5 +1,3 @@
-'use strict';
-
 const gulp = require('gulp');
 const mochaPhantomJS = require('gulp-mocha-phantomjs');
 const config = require('../config');

gulpfile.js

@@ -2,7 +2,7 @@
 
 const gulp = require('gulp');
 
-gulp.task('scripts', require('./gulp/tasks/compile'));
+gulp.task('scripts', require('./gulp/tasks/scripts'));
 gulp.task('set-watching', require('./gulp/tasks/set-watching'));
 gulp.task('css', require('./gulp/tasks/css'));
 gulp.task('jekyll', require('./gulp/tasks/jekyll'));

package.json

@@ -48,10 +48,8 @@
   },
   "devDependencies": {
     "autoprefixer": "^6.3.4",
-    "babel-core": "^6.5.2",
-    "babel-loader": "^6.2.2",
-    "babel-preset-es2015": "^6.5.0",
-    "babel-register": "^6.5.2",
+    "babel-plugin-external-helpers": "^6.22.0",
+    "babel-preset-es2015": "^6.24.1",
     "chai": "^3.5.0",
     "chai-dom": "^1.4.0",
     "es6-promise": "^4.0.5",
@@ -62,7 +60,11 @@
     "gulp-shell": "^0.6.1",
     "gulp-util": "^3.0.7",
     "mocha": "^3.0.0",
-    "sinon": "^2.1.0",
-    "webpack": "^2.2.1"
+    "rollup": "^0.41.6",
+    "rollup-plugin-babel": "^2.7.1",
+    "rollup-plugin-commonjs": "^8.0.2",
+    "rollup-plugin-node-resolve": "^3.0.0",
+    "rollup-plugin-uglify": "^1.0.1",
+    "sinon": "^2.1.0"
   }
 }

src/array-max.js

@@ -0,0 +1,3 @@
+export default function arrayMax(array) {
+  return Math.max.apply(Math, array);
+}

src/array-min.js

@@ -0,0 +1,3 @@
+export default function arrayMin(array) {
+  return Math.min.apply(Math, array);
+}

src/computed-size.js

@@ -1,4 +1,3 @@
-
 let element = document.body || document.documentElement;
 let e = document.createElement('div');
 e.style.cssText = 'width:10px;padding:2px;box-sizing:border-box;';

src/get-number-style.js

@@ -1,5 +1,3 @@
-'use strict';
-
 import getNumber from './get-number';
 import COMPUTED_SIZE_INCLUDES_PADDING from './computed-size';
 

src/get-number.js

@@ -1,5 +1,3 @@
-'use strict';
-
 /**
  * Always returns a numeric value, given a value. Logic from jQuery's `isNumeric`.
  * @param {*} value Possibly numeric value.

src/index.js

@@ -1 +0,0 @@
-module.exports = require('./shuffle').default;

src/layout.js

@@ -1,14 +1,8 @@
 'use strict';
 
 import Point from './point';
-
-function arrayMax(array) {
-  return Math.max.apply(Math, array);
-}
-
-function arrayMin(array) {
-  return Math.min.apply(Math, array);
-}
+import arrayMax from './array-max';
+import arrayMin from './array-min';
 
 /**
  * Determine the location of the next item, based on its size.

src/on-transition-end.js

@@ -1,5 +1,3 @@
-'use strict';
-
 let transitions = {};
 let eventName = 'transitionend';
 let count = 0;

src/point.js

@@ -1,5 +1,3 @@
-'use strict';
-
 import getNumber from './get-number';
 
 /**

src/shuffle.js

@@ -1,5 +1,3 @@
-'use strict';
-
 import 'custom-event-polyfill';
 import matches from 'matches-selector';
 import arrayUnique from 'array-uniq';
@@ -13,15 +11,12 @@ import getNumberStyle from './get-number-style';
 import sorter from './sorter';
 import { onTransitionEnd, cancelTransitionEnd } from './on-transition-end';
 import { getItemPosition, getColumnSpan, getAvailablePositions, getShortColumn } from './layout';
+import arrayMax from './array-max';
 
 function toArray(arrayLike) {
   return Array.prototype.slice.call(arrayLike);
 }
 
-function arrayMax(array) {
-  return Math.max.apply(Math, array);
-}
-
 function arrayIncludes(array, obj) {
   if (arguments.length === 2) {
     return arrayIncludes(array)(obj);

src/sorter.js

@@ -1,5 +1,3 @@
-'use strict';
-
 import xtend from 'xtend';
 
 // http://stackoverflow.com/a/962890/373422

webpack.config.js

@@ -1,29 +0,0 @@
-const path = require('path');
-
-module.exports = {
-  name: 'build',
-  devtool: 'source-map',
-  entry: './src/index.js',
-  output: {
-    filename: 'shuffle.js',
-    path: './dist',
-    library: 'shuffle',
-    libraryTarget: 'umd',
-  },
-  resolve: {
-    modules: [
-      path.resolve('./src'),
-      'node_modules',
-    ],
-  },
-  module: {
-    rules: [
-      {
-        test: /\.js$/,
-        exclude: /node_modules/,
-        loader: 'babel-loader',
-      },
-    ],
-  },
-  plugins: [],
-};

webpack.config.min.js

@@ -1,41 +0,0 @@
-const path = require('path');
-const webpack = require('webpack');
-
-module.exports = {
-  name: 'minified',
-  devtool: 'source-map',
-  entry: './src/index.js',
-  output: {
-    filename: 'shuffle.min.js',
-    path: './dist',
-    library: 'shuffle',
-    libraryTarget: 'umd',
-  },
-  resolve: {
-    modules: [
-      path.resolve('./src'),
-      'node_modules',
-    ],
-  },
-  module: {
-    rules: [
-      {
-        test: /\.js$/,
-        exclude: /node_modules/,
-        loader: 'babel-loader',
-      },
-    ],
-  },
-  plugins: [
-    new webpack.optimize.UglifyJsPlugin({
-      sourceMap: true,
-      comments: false,
-      screw_ie8: true,
-      compress: {
-        warnings: true,
-        drop_console: true,
-      },
-      mangle: true,
-    }),
-  ],
-};