From 89d32316b61168cfac3227bb88c775b9f07dacba Mon Sep 17 00:00:00 2001
From: Aaron Jensen <aaronjensen@gmail.com>
Date: Tue, 4 Aug 2015 10:08:44 -0700
Subject: [PATCH] Add umd distribution builds via webpack

---
 CHANGELOG.md           |  1 +
 createWebpackConfig.js | 37 +++++++++++++++++++++++++++++++++++++
 gulpfile.js            | 41 ++++++++++++++++++++++++++++++++++++-----
 package.json           |  5 ++++-
 webpack.config.js      |  3 +++
 5 files changed, 81 insertions(+), 6 deletions(-)
 create mode 100644 createWebpackConfig.js
 create mode 100644 webpack.config.js

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f84a4ca..acb6d6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 # Change Log
 
 ## [unreleased]
+* Add umd distribution builds via webpack. (https://github.com/aaronjensen/updeep/issues/3)
 
 ## [0.2.2]
 * Fix `Object.isFrozen` breaking on null in chrome. (https://github.com/aaronjensen/updeep/pull/5)
diff --git a/createWebpackConfig.js b/createWebpackConfig.js
new file mode 100644
index 0000000..7038cf3
--- /dev/null
+++ b/createWebpackConfig.js
@@ -0,0 +1,37 @@
+'use strict'; /* eslint strict:0, no-var:0, func-names:0 */
+var webpack = require('webpack');
+
+module.exports = function createWebpackConfig(options) {
+  var config = {
+    plugins: [
+      new webpack.optimize.OccurrenceOrderPlugin(),
+    ],
+
+    module: {
+      loaders: [
+        { test: /\.js$/, loaders: ['babel-loader'], exclude: /node_modules/ },
+      ],
+    },
+
+    output: {
+      library: 'updeep',
+      libraryTarget: 'umd',
+    },
+
+    resolve: {
+      extensions: ['', '.js'],
+    },
+  };
+
+  config.output.filename = options.filename;
+
+  if (options.minify) {
+    config.plugins.push(new webpack.optimize.UglifyJsPlugin({
+      compressor: {
+        screw_ie8: true,
+      },
+    }));
+  }
+
+  return config;
+};
diff --git a/gulpfile.js b/gulpfile.js
index 0c2098d..e270a44 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,13 +1,17 @@
 'use strict'; /* eslint strict:0, no-var:0, func-names:0 */
 var gulp = require('gulp');
+
+var babel = require('gulp-babel');
+var batch = require('gulp-batch');
 var eslint = require('gulp-eslint');
 var excludeGitignore = require('gulp-exclude-gitignore');
 var mocha = require('gulp-mocha');
 var nsp = require('gulp-nsp');
-var babel = require('gulp-babel');
-var watch = require('gulp-watch');
-var batch = require('gulp-batch');
 var rimraf = require('rimraf');
+var watch = require('gulp-watch');
+var webpack = require('webpack-stream');
+
+var createWebpackConfig = require('./createWebpackConfig.js');
 
 // Initialize the babel transpiler so ES2015 files gets compiled
 // when they're loaded
@@ -34,7 +38,7 @@ gulp.task('test', function() {
     .pipe(mocha({reporter: 'spec'}));
 });
 
-gulp.task('babel', ['clean'], function() {
+gulp.task('babel', function() {
   return gulp.src('lib/**/*.js')
     .pipe(babel())
     .pipe(gulp.dest('dist'));
@@ -46,5 +50,32 @@ gulp.task('watch', function() {
   }));
 });
 
-gulp.task('prepublish', ['nsp', 'babel']);
+gulp.task('webpack', ['webpack:standalone', 'webpack:standalone:min']);
+
+gulp.task('webpack:standalone', function() {
+  var config = createWebpackConfig({ filename: 'updeep-standalone.js' });
+
+  return gulp.src('lib/index.js')
+    .pipe(webpack(config))
+    .pipe(gulp.dest('dist/umd/'));
+});
+
+gulp.task('webpack:standalone:min', function() {
+  var config = createWebpackConfig({
+    filename: 'updeep-standalone.min.js',
+    minify: true,
+  });
+
+  return gulp.src('lib/index.js')
+    .pipe(webpack(config))
+    .pipe(gulp.dest('dist/umd/'));
+});
+
+gulp.task('build', ['babel', 'webpack']);
+
+gulp.task('build:clean', ['clean'], function(done) {
+  gulp.start('build', done);
+});
+
+gulp.task('prepublish', ['nsp', 'build:clean']);
 gulp.task('default', ['static', 'test']);
diff --git a/package.json b/package.json
index bb8fcce..74f4a7f 100644
--- a/package.json
+++ b/package.json
@@ -32,6 +32,7 @@
   "devDependencies": {
     "babel-core": "^5.5.0",
     "babel-eslint": "^4.0.5",
+    "babel-loader": "^5.3.2",
     "chai": "^3.2.0",
     "eslint": "^0.24.1",
     "eslint-config-airbnb": "0.0.7",
@@ -44,6 +45,8 @@
     "gulp-nsp": "^0.4.5",
     "gulp-watch": "^4.3.4",
     "lodash": "^3.0.0",
-    "rimraf": "^2.4.2"
+    "rimraf": "^2.4.2",
+    "webpack": "^1.10.5",
+    "webpack-stream": "^2.1.0"
   }
 }
diff --git a/webpack.config.js b/webpack.config.js
new file mode 100644
index 0000000..25cdc8b
--- /dev/null
+++ b/webpack.config.js
@@ -0,0 +1,3 @@
+'use strict'; /* eslint strict:0, no-var:0, func-names:0 */
+
+module.exports = require('./createWebpackConfig')();