build: simplified build, and ship cjs in lib

Author: Federico Zivolo

.babelrc

@@ -4,6 +4,12 @@
   "env": {
     "test": {
       "presets": ["env", "stage-1", "react"]
+    },
+    "es": {
+      "presets": [["env", { "modules": false }], "stage-1", "react"]
+    },
+    "cjs": {
+      "presets": [["env", { "modules": "commonjs" }], "stage-1", "react"]
     }
   }
 }

.prettierignore

@@ -0,0 +1 @@
+package.json

package.json

@@ -5,24 +5,22 @@
   "license": "MIT",
   "author": "Travis Arnold <[email protected]> (http://souporserious.com)",
   "homepage": "https://github.com/souporserious/react-popper",
-  "main": "dist/react-popper.js",
-  "umd:main": "dist/react-popper.umd.js",
-  "module": "lib/index.js",
+  "main": "lib/cjs/index.js",
+  "module": "lib/es/index.js",
+  "browser": "dist/react-popper.js",
   "typings": "typings/react-popper.d.ts",
   "files": [
     "dist",
     "lib",
     "typings/react-popper.d.ts"
   ],
   "scripts": {
-    "build": "npm run build:clean && npm run build:es && npm run build:umd && npm run build:cjs && npm run build:flow && npm run build:umd-min && npm run build:cjs-min",
+    "build": "npm run build:clean && npm run build:es && npm run build:cjs && npm run build:browser && npm run build:flow",
     "build:clean": "rimraf dist/ && rimraf lib/",
-    "build:es": "babel src --ignore '*.test.js,__mocks__' --out-dir lib",
-    "build:umd": "rollup -c --output.format umd --output.name 'react-popper' --output.file dist/react-popper.umd.js",
-    "build:cjs": "rollup -c --output.format cjs --output.name 'react-popper' --output.file dist/react-popper.js",
-    "build:flow": "flow-copy-source --ignore '{__mocks__/*,*.test}.js' src lib",
-    "build:umd-min": "MINIFY=true rollup -c --output.format umd --output.name 'react-popper' --output.file dist/react-popper.umd.min.js",
-    "build:cjs-min": "MINIFY=true rollup -c --output.format cjs --output.name 'react-popper' --output.file dist/react-popper.min.js",
+    "build:es": "BABEL_ENV=es babel src --ignore '*.test.js,__mocks__' --out-dir lib/es",
+    "build:cjs": "BABEL_ENV=cjs babel src --ignore '*.test.js,__mocks__' --out-dir lib/cjs",
+    "build:browser": "rollup -c",
+    "build:flow": "flow-copy-source --ignore '{__mocks__/*,*.test}.js' src lib/es",
     "demo": "parcel --out-dir demo/dist demo/index.html",
     "test": "npm run test:eslint && npm run test:flow && npm run test:ts && npm run test:jest",
     "test:ts": "tsc --project ./typings/tests",

rollup.config.js

@@ -1,26 +1,55 @@
 import babel from 'rollup-plugin-babel';
 import minify from 'rollup-plugin-babel-minify';
 
-export default {
+const common = {
   input: 'src/index.js',
+  external: [
+    'react',
+    'react-dom',
+    'popper.js',
+    'create-react-context',
+    'warning',
+  ],
+};
+
+const commonOutput = {
+  name: 'react-popper',
+  sourcemap: true,
+  globals: {
+    react: 'react',
+    'prop-types': 'PropTypes',
+    'popper.js': 'PopperJS',
+    'create-react-context': 'createContext',
+    warning: 'warning',
+  },
+};
+
+const babelConfig = {
+  babelrc: false,
+  presets: [['env', { modules: false }], 'stage-1', 'react'],
   plugins: [
-    babel({
-      babelrc: false,
-      presets: [['env', { modules: false }], 'stage-1', 'react'],
-      plugins: [
-        'external-helpers',
-        ['transform-react-remove-prop-types', { mode: 'wrap' }],
-      ],
-    }),
-    process.env.MINIFY ? minify() : false,
-  ].filter(Boolean),
-  external: ['react', 'react-dom', 'prop-types', 'popper.js'],
-  output: {
-    sourcemap: true,
-    globals: {
-      react: 'react',
-      'prop-types': 'PropTypes',
-      'popper.js': 'PopperJS',
+    'external-helpers',
+    ['transform-react-remove-prop-types', { mode: 'wrap' }],
+  ],
+};
+
+export default [
+  {
+    ...common,
+    plugins: [babel(babelConfig)],
+    output: {
+      ...commonOutput,
+      format: 'umd',
+      file: 'dist/react-popper.js',
     },
   },
-};
+  {
+    ...common,
+    plugins: [babel(babelConfig), minify()],
+    output: {
+      ...commonOutput,
+      format: 'umd',
+      file: 'dist/react-popper.min.js',
+    },
+  },
+];