Create a bundled release of Bootstrap with Popper.js inside

.babelrc

@@ -8,7 +8,5 @@
       }
     ]
   ],
-  "plugins": [
-    "transform-es2015-modules-strip"
-  ]
+  "plugins": ["external-helpers"]
 }

build/rollup.config.js

@@ -0,0 +1,43 @@
+const path    = require('path')
+const babel   = require('rollup-plugin-babel')
+const resolve = require('rollup-plugin-node-resolve')
+const BUNDLE  = process.env.BUNDLE === 'true'
+
+var fileDest  = 'bootstrap.js'
+var external  = ['jquery', 'popper.js']
+const plugins = [
+  babel({
+    exclude: 'node_modules/**', // only transpile our source code
+    externalHelpersWhitelist: [ // include only required helpers
+      'typeof',
+      'classCallCheck',
+      'createClass',
+      'inherits',
+      'possibleConstructorReturn'
+    ]
+  })
+]
+const globals = {
+  jquery: '$',
+  'popper.js': 'Popper'
+}
+
+if (BUNDLE) {
+  fileDest = 'bootstrap.bundle.js'
+  // remove last entry in external array to bundle Popper
+  external.pop()
+  delete globals['popper.js']
+  plugins.push(resolve())
+}
+
+module.exports = {
+  input: path.resolve(__dirname, '../js/src/index.js'),
+  output: {
+    file: path.resolve(__dirname, `../dist/js/${fileDest}`),
+    format: 'iife'
+  },
+  name: 'bootstrap',
+  external: external,
+  globals: globals,
+  plugins: plugins
+}

build/stamp.js

@@ -1,41 +1,19 @@
-const fs = require('fs')
+const fs   = require('fs')
+const path = require('path')
+const pkg  = require(path.resolve(__dirname, '../package.json'))
+const year = new Date().getFullYear()
 
-fs.readFile('package.json', (err, data) => {
-  if (err) {
-    throw err
-  }
+const pathBoostrap        = path.resolve(__dirname, '../dist/js/bootstrap.js')
+const pathBootstrapBundle = path.resolve(__dirname, '../dist/js/bootstrap.bundle.js')
+const contentFile         = fs.readFileSync(pathBoostrap, { encoding: 'UTF8' })
+const contentBundleFile   = fs.readFileSync(pathBootstrapBundle, { encoding: 'UTF8' })
 
-  const pkg = JSON.parse(data)
-  const year = new Date().getFullYear()
-
-  const stampTop =
+const stamp =
 `/*!
  * Bootstrap v${pkg.version} (${pkg.homepage})
  * Copyright 2011-${year} ${pkg.author}
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  */
-
-if (typeof jQuery === 'undefined') {
-  throw new Error('Bootstrap\\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\\'s JavaScript.')
-}
-
-(function ($) {
-  var version = $.fn.jquery.split(' ')[0].split('.')
-  if ((version[0] < 3) || (version[0] >= 4)) {
-    throw new Error('Bootstrap\\'s JavaScript requires at least jQuery v3.0.0 but less than v4.0.0')
-  }
-})(jQuery);
-
-(function () {
 `
-  const stampEnd = `
-})();`
-
-  process.stdout.write(stampTop)
-
-  process.stdin.on('end', () => {
-    process.stdout.write(stampEnd)
-  })
-
-  process.stdin.pipe(process.stdout)
-})
+fs.writeFileSync(pathBoostrap, `${stamp}${contentFile}`, { encoding: 'UTF8' })
+fs.writeFileSync(pathBootstrapBundle, `${stamp}${contentBundleFile}`, { encoding: 'UTF8' })

js/src/alert.js

@@ -1,3 +1,4 @@
+import $ from 'jquery'
 import Util from './util'
 
 
@@ -8,7 +9,7 @@ import Util from './util'
  * --------------------------------------------------------------------------
  */
 
-const Alert = (($) => {
+const Alert = (() => {
 
 
   /**

js/src/button.js

@@ -1,3 +1,4 @@
+import $ from 'jquery'
 /**
  * --------------------------------------------------------------------------
  * Bootstrap (v4.0.0-beta): button.js
@@ -5,7 +6,7 @@
  * --------------------------------------------------------------------------
  */
 
-const Button = (($) => {
+const Button = (() => {
 
 
   /**

js/src/carousel.js

@@ -1,3 +1,4 @@
+import $ from 'jquery'
 import Util from './util'
 
 
@@ -8,7 +9,7 @@ import Util from './util'
  * --------------------------------------------------------------------------
  */
 
-const Carousel = (($) => {
+const Carousel = (() => {
 
 
   /**

js/src/collapse.js

@@ -1,3 +1,4 @@
+import $ from 'jquery'
 import Util from './util'
 
 
@@ -8,7 +9,7 @@ import Util from './util'
  * --------------------------------------------------------------------------
  */
 
-const Collapse = (($) => {
+const Collapse = (() => {
 
 
   /**

js/src/dropdown.js

@@ -1,5 +1,5 @@
-/* global Popper */
-
+import $ from 'jquery'
+import Popper from 'popper.js'
 import Util from './util'
 
 
@@ -10,7 +10,7 @@ import Util from './util'
  * --------------------------------------------------------------------------
  */
 
-const Dropdown = (($) => {
+const Dropdown = (() => {
 
   /**
    * Check for Popper dependency
@@ -445,6 +445,6 @@ const Dropdown = (($) => {
 
   return Dropdown
 
-})(jQuery)
+})(jQuery, Popper)
 
 export default Dropdown

js/src/index.js

@@ -0,0 +1,46 @@
+import $ from 'jquery'
+import Alert from './alert'
+import Button from './button'
+import Carousel from './carousel'
+import Collapse from './collapse'
+import Dropdown from './dropdown'
+import Modal from './modal'
+import Popover from './popover'
+import Scrollspy from './scrollspy'
+import Tab from './tab'
+import Tooltip from './tooltip'
+import Util from './util'
+
+/**
+ * --------------------------------------------------------------------------
+ * Bootstrap (v4.0.0-alpha.6): index.js
+ * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
+ * --------------------------------------------------------------------------
+ */
+
+if (typeof jQuery === 'undefined') {
+  throw new Error('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.')
+}
+
+(() => {
+  const version = $.fn.jquery.split(' ')[0].split('.')
+  const min = 3
+  const max = 4
+  if (version[0] < min || version[0] >= max) {
+    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v3.0.0 but less than v4.0.0')
+  }
+})(jQuery)
+
+export {
+  Util,
+  Alert,
+  Button,
+  Carousel,
+  Collapse,
+  Dropdown,
+  Modal,
+  Popover,
+  Scrollspy,
+  Tab,
+  Tooltip
+}

js/src/modal.js

@@ -1,3 +1,4 @@
+import $ from 'jquery'
 import Util from './util'
 
 
@@ -8,7 +9,7 @@ import Util from './util'
  * --------------------------------------------------------------------------
  */
 
-const Modal = (($) => {
+const Modal = (() => {
 
 
   /**

js/src/popover.js

@@ -1,3 +1,4 @@
+import $ from 'jquery'
 import Tooltip from './tooltip'
 
 
@@ -8,7 +9,7 @@ import Tooltip from './tooltip'
  * --------------------------------------------------------------------------
  */
 
-const Popover = (($) => {
+const Popover = (() => {
 
 
   /**

js/src/scrollspy.js

@@ -1,3 +1,4 @@
+import $ from 'jquery'
 import Util from './util'
 
 
@@ -8,7 +9,7 @@ import Util from './util'
  * --------------------------------------------------------------------------
  */
 
-const ScrollSpy = (($) => {
+const ScrollSpy = (() => {
 
 
   /**

js/src/tab.js

@@ -1,3 +1,4 @@
+import $ from 'jquery'
 import Util from './util'
 
 
@@ -8,7 +9,7 @@ import Util from './util'
  * --------------------------------------------------------------------------
  */
 
-const Tab = (($) => {
+const Tab = (() => {
 
 
   /**

js/src/tooltip.js

@@ -1,5 +1,5 @@
-/* global Popper */
-
+import $ from 'jquery'
+import Popper from 'popper.js'
 import Util from './util'
 
 
@@ -10,7 +10,7 @@ import Util from './util'
  * --------------------------------------------------------------------------
  */
 
-const Tooltip = (($) => {
+const Tooltip = (() => {
 
   /**
    * Check for Popper dependency
@@ -728,6 +728,6 @@ const Tooltip = (($) => {
 
   return Tooltip
 
-})(jQuery)
+})(jQuery, Popper)
 
 export default Tooltip

js/src/util.js

@@ -1,3 +1,5 @@
+import $ from 'jquery'
+
 /**
  * --------------------------------------------------------------------------
  * Bootstrap (v4.0.0-beta): util.js
@@ -5,7 +7,7 @@
  * --------------------------------------------------------------------------
  */
 
-const Util = (($) => {
+const Util = (() => {
 
 
   /**

js/tests/.eslintrc.json

@@ -28,6 +28,7 @@
     "global-require": "off",
     "no-process-env": "off",
     "no-process-exit": "off",
+    "no-sync": "off",
 
     // Stylistic Issues
     "brace-style": "off",

package-lock.json

@@ -513,6 +513,15 @@
         "babel-runtime": "6.26.0"
       }
     },
+    "babel-plugin-external-helpers": {
+      "version": "6.22.0",
+      "resolved": "https://registry.npmjs.org/babel-plugin-external-helpers/-/babel-plugin-external-helpers-6.22.0.tgz",
+      "integrity": "sha1-IoX0iwK9Xe3oUXXK+MYuhq3M76E=",
+      "dev": true,
+      "requires": {
+        "babel-runtime": "6.26.0"
+      }
+    },
     "babel-plugin-transform-es2015-arrow-functions": {
       "version": "6.22.0",
       "resolved": "https://registry.npmjs.org/babel-plugin-transform-es2015-arrow-functions/-/babel-plugin-transform-es2015-arrow-functions-6.22.0.tgz",
@@ -963,6 +972,15 @@
         "repeat-element": "1.1.2"
       }
     },
+    "browser-resolve": {
+      "version": "1.11.2",
+      "resolved": "https://registry.npmjs.org/browser-resolve/-/browser-resolve-1.11.2.tgz",
+      "integrity": "sha1-j/CbCixCFxihBRwmCzLkj0QpOM4=",
+      "dev": true,
+      "requires": {
+        "resolve": "1.1.7"
+      }
+    },
     "browserslist": {
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/browserslist/-/browserslist-2.3.3.tgz",
@@ -1714,6 +1732,12 @@
       "integrity": "sha1-De4/7TH81GlhjOc0IJn8GvoL2xM=",
       "dev": true
     },
+    "estree-walker": {
+      "version": "0.2.1",
+      "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-0.2.1.tgz",
+      "integrity": "sha1-va/oCVOD2EFNXcLs9MkXO225QS4=",
+      "dev": true
+    },
     "esutils": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.2.tgz",
@@ -2987,6 +3011,12 @@
         "is-extglob": "1.0.0"
       }
     },
+    "is-module": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-module/-/is-module-1.0.0.tgz",
+      "integrity": "sha1-Mlj7afeMFNW4FdZkM2tM/7ZEFZE=",
+      "dev": true
+    },
     "is-npm": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/is-npm/-/is-npm-1.0.0.tgz",
@@ -4429,6 +4459,12 @@
       "integrity": "sha1-WbcIwcAZCi9pLxx2GMRGsFL9F2I=",
       "dev": true
     },
+    "popper.js": {
+      "version": "1.12.5",
+      "resolved": "https://registry.npmjs.org/popper.js/-/popper.js-1.12.5.tgz",
+      "integrity": "sha512-6R2eXIy1xYukMNutoD+y/Gj0IpjEQhivyZonm5Vz0Fp8jdc7kvheKCvpM/t+PxqKb7VbLVnvPVEdTyslEb7f6w==",
+      "dev": true
+    },
     "postcss": {
       "version": "6.0.9",
       "resolved": "https://registry.npmjs.org/postcss/-/postcss-6.0.9.tgz",
@@ -5238,6 +5274,43 @@
         "glob": "7.1.2"
       }
     },
+    "rollup": {
+      "version": "0.49.2",
+      "resolved": "https://registry.npmjs.org/rollup/-/rollup-0.49.2.tgz",
+      "integrity": "sha512-9mySqItSwq5/dXYQyFGrrzqV282EZfz4kSCU2m4e6OjgqLmIsp9zK6qNQ6wbBWR4EhASEqQMBQ/IF45jaNPAtw==",
+      "dev": true
+    },
+    "rollup-plugin-babel": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-babel/-/rollup-plugin-babel-3.0.2.tgz",
+      "integrity": "sha512-ALGPBFtwJZcYHsNPM6RGJlEncTzAARPvZOGjNPZgDe5hS5t6sJGjiOWibEFVEz5LQN7S7spvCBILaS4N1Cql2w==",
+      "dev": true,
+      "requires": {
+        "rollup-pluginutils": "1.5.2"
+      }
+    },
+    "rollup-plugin-node-resolve": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-3.0.0.tgz",
+      "integrity": "sha1-i4l8TDAw1QASd7BRSyXSygloPuA=",
+      "dev": true,
+      "requires": {
+        "browser-resolve": "1.11.2",
+        "builtin-modules": "1.1.1",
+        "is-module": "1.0.0",
+        "resolve": "1.1.7"
+      }
+    },
+    "rollup-pluginutils": {
+      "version": "1.5.2",
+      "resolved": "https://registry.npmjs.org/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz",
+      "integrity": "sha1-HhVud4+UtyVb+hs9AXi+j1xVJAg=",
+      "dev": true,
+      "requires": {
+        "estree-walker": "0.2.1",
+        "minimatch": "3.0.4"
+      }
+    },
     "run-async": {
       "version": "2.3.0",
       "resolved": "https://registry.npmjs.org/run-async/-/run-async-2.3.0.tgz",

package.json

@@ -33,9 +33,13 @@
     "js-lint": "eslint js/ && eslint --config js/tests/.eslintrc.json --env node build/ Gruntfile.js",
     "js-lint-docs": "eslint --config js/tests/.eslintrc.json assets/js/ sw.js",
     "js-compile": "npm-run-all --parallel js-compile-*",
-    "js-compile-bundle": "shx cat js/src/util.js js/src/alert.js js/src/button.js js/src/carousel.js js/src/collapse.js js/src/dropdown.js js/src/modal.js js/src/scrollspy.js js/src/tab.js js/src/tooltip.js js/src/popover.js | shx sed \"s/^(import|export).*//\" | babel --filename js/src/bootstrap.js | node build/stamp.js > dist/js/bootstrap.js",
-    "js-compile-plugins": "babel js/src/ --out-dir js/dist/ --source-maps",
-    "js-minify": "uglifyjs --config-file build/uglifyjs.config.json --output dist/js/bootstrap.min.js dist/js/bootstrap.js",
+    "js-compile-standalone": "rollup --environment BUNDLE:false --config build/rollup.config.js",
+    "js-compile-bundle": "rollup --environment BUNDLE:true --config build/rollup.config.js",
+    "js-compile-plugins": "babel --no-babelrc js/src/ --out-dir js/dist/ --source-maps --presets=es2015 --plugins=transform-es2015-modules-strip",
+    "postjs-compile": "node build/stamp.js",
+    "js-minify": "npm-run-all --parallel js-minify-*",
+    "js-minify-standalone": "uglifyjs --config-file build/uglifyjs.config.json --output dist/js/bootstrap.min.js dist/js/bootstrap.js",
+    "js-minify-bundle": "uglifyjs --config-file build/uglifyjs.config.json --output dist/js/bootstrap.bundle.min.js dist/js/bootstrap.bundle.js",
     "js-minify-docs": "uglifyjs --config-file build/uglifyjs.config.json --output assets/js/docs.min.js assets/js/vendor/anchor.min.js assets/js/vendor/clipboard.min.js assets/js/vendor/holder.min.js assets/js/src/application.js assets/js/src/pwa.js",
     "js-test": "phantomjs ./node_modules/qunit-phantomjs-runner/runner.js js/tests/index.html 60",
     "js-test-cloud": "ruby -r webrick -e \"s = WEBrick::HTTPServer.new(:Port => 3000, :DocumentRoot => Dir.pwd, :Logger => WEBrick::Log.new('/dev/null'), :AccessLog => []); trap('INT') { s.shutdown }; s.start\" & grunt saucelabs-qunit",
@@ -74,6 +78,7 @@
     "autoprefixer": "^7.1.2",
     "babel-cli": "^6.24.1",
     "babel-eslint": "^7.2.3",
+    "babel-plugin-external-helpers": "^6.22.0",
     "babel-plugin-transform-es2015-modules-strip": "^0.1.1",
     "babel-preset-es2015": "^6.24.1",
     "clean-css-cli": "^4.1.6",
@@ -86,9 +91,13 @@
     "nodemon": "^1.11.0",
     "npm-run-all": "^4.0.2",
     "phantomjs-prebuilt": "^2.1.14",
+    "popper.js": "^1.12.5",
     "postcss-cli": "^4.1.0",
     "qunit-phantomjs-runner": "^2.3.0",
     "qunitjs": "^2.4.0",
+    "rollup": "^0.49.2",
+    "rollup-plugin-babel": "^3.0.2",
+    "rollup-plugin-node-resolve": "^3.0.0",
     "shelljs": "^0.7.8",
     "shx": "^0.2.2",
     "uglify-js": "^3.0.24"