Add rollup for packaging

.gitignore

@@ -18,6 +18,7 @@ pids
 
 # Dependency directories
 node_modules/
+dist/
 
 # Optional npm cache directory
 .npm

package.json

@@ -2,13 +2,23 @@
   "name": "reactimal",
   "version": "1.0.0",
   "description": "Reactive programming primitives",
-  "main": "src/index.js",
+  "main": "dist/reactimal.js",
+  "module": "dist/reactimal.mjs",
   "files": [
     "src"
   ],
   "scripts": {
     "test": "jasmine",
-    "format_code": "nodejs node_modules/prettier/bin-prettier.js --config ./prettier.config.js --write \"{.,{packages,bin}/**/!(dist)}/*.{js,json,md}\""
+    "clean": "rimraf dist",
+    "format_code": "nodejs node_modules/prettier/bin-prettier.js --config ./prettier.config.js --write \"{.,{packages,bin}/**/!(dist)}/*.{js,json,md}\"",
+    "build:umd": "rollup -c rollup.config.js && uglifyjs -m --screw-ie8 -c -o dist/reactimal.min.js dist/reactimal.js",
+    "build:umd:zip": "npm run build:umd && gzip -c9 dist/reactimal.min.js > dist/reactimal.min.js.gz && gzip -c9 dist/reactimal.min.mjs > dist/reactimal.min.mjs.gz",
+    "build": "npm run build:umd:zip && ls -l dist/",
+    "prepublish": "npm run clean && npm run build"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://gitlab.com/explorigin/reactimal.git"
   },
   "keywords": [
     "reactive"
@@ -18,6 +28,18 @@
   "devDependencies": {
     "jasmine": "^3.2.0",
     "jasmine-es6": "^0.4.3",
-    "prettier": "^1.14.3"
+    "prettier": "^1.14.3",
+    "babel-cli": "6.18.0",
+    "babel-core": "6.21.0",
+    "babel-eslint": "7.1.1",
+    "babel-preset-es2015": "6.18.0",
+    "babel-preset-es2015-rollup": "3.0.0",
+    "babel-preset-stage-0": "6.16.0",
+    "eslint": "3.2.0",
+    "rimraf": "2.5.4",
+    "rollup": "0.66.6",
+    "rollup-plugin-babel": "2.7.1",
+    "rollup-plugin-esmin": "0.1.3",
+    "uglify-es": "3.3.9"
   }
 }

rollup.config.js

@@ -0,0 +1,43 @@
+import esmin from 'rollup-plugin-esmin';
+import babel from 'rollup-plugin-babel';
+import pkg from './package.json';
+
+const config = {
+	input: 'src/index.js',
+	output: {
+		file: pkg.module,
+		format: 'es'
+	}
+};
+
+export default [
+	// reactimal.mjs
+	config,
+
+	// reactimal.min.mjs
+	{
+		...config,
+		output: {
+			...config.output,
+			file: 'dist/reactimal.min.mjs'
+		},
+		plugins: [
+			esmin({
+				overrides: {
+					sourceType: 'module'
+				}
+			})
+		]
+	},
+
+	// reactimal.js
+	{
+		...config,
+		output: {
+			format: 'umd',
+			file: 'dist/reactimal.js',
+			name: 'reactimal'
+		},
+		plugins: [babel({ sourceType: 'module' })]
+	}
+];