Use rollup to bundle es6 and umd modules

.babelrc

@@ -1,3 +1,12 @@
 {
-  "presets": ["env", "react", "stage-1"],
-}
+  "presets": [
+    ["env", {"modules": false}],
+    "react",
+    "stage-1"
+  ],
+  "env": {
+    "test": {
+      "plugins": ["transform-es2015-modules-commonjs"]
+    }
+  }
+}

.gitignore

@@ -1,4 +1,4 @@
-node_modules
-index.js
-yarn-error.log
-coverage
+/node_modules
+/dist/*
+/yarn-error.log
+/coverage

package.json

@@ -10,7 +10,8 @@
     "react-router",
     "react-router 4"
   ],
-  "main": "index.js",
+  "main": "dist/index.js",
+  "module": "dist/index.mjs",
   "author": "Koan Inc.",
   "license": "MIT",
   "peerDependencies": {
@@ -20,8 +21,11 @@
   },
   "devDependencies": {
     "babel-cli": "^6.26.0",
+    "babel-core": "^6.8.0",
     "babel-eslint": "^8.0.3",
     "babel-jest": "^22.0.0",
+    "babel-plugin-external-helpers": "^6.22.0",
+    "babel-plugin-transform-es2015-modules-commonjs": "^6.26.0",
     "babel-preset-env": "^1.6.1",
     "babel-preset-react": "^6.24.1",
     "babel-preset-stage-1": "^6.24.1",
@@ -39,13 +43,17 @@
     "react": "^16.2.0",
     "react-dom": "^16.2.0",
     "react-router": "^4.2.0",
-    "react-router-dom": "^4.2.2"
+    "react-router-dom": "^4.2.2",
+    "rollup": "^0.52.3",
+    "rollup-plugin-babel": "^3.0.3",
+    "rollup-plugin-commonjs": "^8.2.6",
+    "rollup-plugin-node-resolve": "^3.0.0"
   },
   "scripts": {
     "prepublishOnly": "npm run build",
-    "build": "babel src/index.jsx -o index.js",
-    "test": "jest",
-    "test:watch": "jest --watch",
+    "build": "rollup -c",
+    "test": "NODE_ENV=test jest",
+    "test:watch": "npm run test -- --watch",
     "travis": "jest && cat ./coverage/lcov.info | ./node_modules/coveralls/bin/coveralls.js",
     "lint": "eslint ./src/**"
   }

rollup.config.js

@@ -0,0 +1,43 @@
+import babel from 'rollup-plugin-babel';
+import commonjs from 'rollup-plugin-commonjs';
+import resolve from 'rollup-plugin-node-resolve';
+
+const pkg = require('./package.json');
+
+const external = Object.keys(pkg.peerDependencies);
+
+const config = {
+  input: 'src/index.jsx',
+  globals: {
+    react: 'React',
+    'react-router': 'ReactRouter',
+  },
+  plugins: [
+    babel({
+      exclude: 'node_modules/**',
+      plugins: ['external-helpers'],
+    }),
+    resolve({
+      module: true,
+      jsnext: true,
+      main: true,
+    }),
+    commonjs(),
+  ],
+  external,
+  output: [
+    {
+      file: pkg.main,
+      format: 'umd',
+      name: 'BreadCrumbs',
+      sourcemap: true,
+    },
+    {
+      file: pkg.module,
+      format: 'es',
+      sourcemap: true,
+    },
+  ],
+};
+
+export default config;

yarn.lock

@@ -313,7 +313,7 @@ babel-code-frame@^6.22.0, babel-code-frame@^6.26.0:
     esutils "^2.0.2"
     js-tokens "^3.0.2"
 
-babel-core@^6.0.0, babel-core@^6.26.0:
+babel-core@^6.0.0, babel-core@^6.26.0, babel-core@^6.8.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.26.0.tgz#af32f78b31a6fcef119c87b0fd8d9753f03a0bb8"
   dependencies:
@@ -504,6 +504,12 @@ babel-plugin-check-es2015-constants@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
+babel-plugin-external-helpers@^6.22.0:
+  version "6.22.0"
+  resolved "https://registry.yarnpkg.com/babel-plugin-external-helpers/-/babel-plugin-external-helpers-6.22.0.tgz#2285f48b02bd5dede85175caf8c62e86adccefa1"
+  dependencies:
+    babel-runtime "^6.22.0"
+
 babel-plugin-istanbul@^4.1.5:
   version "4.1.5"
   resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.5.tgz#6760cdd977f411d3e175bb064f2bc327d99b2b6e"
@@ -691,7 +697,7 @@ babel-plugin-transform-es2015-modules-amd@^6.22.0, babel-plugin-transform-es2015
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
-babel-plugin-transform-es2015-modules-commonjs@^6.23.0, babel-plugin-transform-es2015-modules-commonjs@^6.24.1:
+babel-plugin-transform-es2015-modules-commonjs@^6.23.0, babel-plugin-transform-es2015-modules-commonjs@^6.24.1, babel-plugin-transform-es2015-modules-commonjs@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.26.0.tgz#0d8394029b7dc6abe1a97ef181e00758dd2e5d8a"
   dependencies:
@@ -1064,7 +1070,7 @@ browser-process-hrtime@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/browser-process-hrtime/-/browser-process-hrtime-0.1.2.tgz#425d68a58d3447f02a04aa894187fce8af8b7b8e"
 
-browser-resolve@^1.11.2:
+browser-resolve@^1.11.0, browser-resolve@^1.11.2:
   version "1.11.2"
   resolved "https://registry.yarnpkg.com/browser-resolve/-/browser-resolve-1.11.2.tgz#8ff09b0a2c421718a1051c260b32e48f442938ce"
   dependencies:
@@ -1083,7 +1089,7 @@ bser@^2.0.0:
   dependencies:
     node-int64 "^0.4.0"
 
-builtin-modules@^1.0.0, builtin-modules@^1.1.1:
+builtin-modules@^1.0.0, builtin-modules@^1.1.0, builtin-modules@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/builtin-modules/-/builtin-modules-1.1.1.tgz#270f076c5a72c02f5b65a47df94c5fe3a278892f"
 
@@ -1723,6 +1729,18 @@ estraverse@^4.0.0, estraverse@^4.1.0, estraverse@^4.1.1, estraverse@^4.2.0:
   version "4.2.0"
   resolved "https://registry.yarnpkg.com/estraverse/-/estraverse-4.2.0.tgz#0dee3fed31fcd469618ce7342099fc1afa0bdb13"
 
+estree-walker@^0.2.1:
+  version "0.2.1"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.2.1.tgz#bdafe8095383d8414d5dc2ecf4c9173b6db9412e"
+
+estree-walker@^0.3.0:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.3.1.tgz#e6b1a51cf7292524e7237c312e5fe6660c1ce1aa"
+
+estree-walker@^0.5.0:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-0.5.1.tgz#64fc375053abc6f57d73e9bd2f004644ad3c5854"
+
 esutils@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.2.tgz#0abf4f1caa5bcb1f7a9d8acc6dea4faaa04bac9b"
@@ -2314,6 +2332,10 @@ is-glob@^2.0.0, is-glob@^2.0.1:
   dependencies:
     is-extglob "^1.0.0"
 
+is-module@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/is-module/-/is-module-1.0.0.tgz#3258fb69f78c14d5b815d664336b4cffb6441591"
+
 is-number@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/is-number/-/is-number-2.1.0.tgz#01fcbbb393463a548f2f466cce16dece49db908f"
@@ -2923,6 +2945,12 @@ lru-cache@^4.0.1:
     pseudomap "^1.0.2"
     yallist "^2.1.2"
 
+magic-string@^0.22.4:
+  version "0.22.4"
+  resolved "https://registry.yarnpkg.com/magic-string/-/magic-string-0.22.4.tgz#31039b4e40366395618c1d6cf8193c53917475ff"
+  dependencies:
+    vlq "^0.2.1"
+
 makeerror@1.0.x:
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/makeerror/-/makeerror-1.0.11.tgz#e01a5c9109f2af79660e4e8b9587790184f5a96c"
@@ -3710,7 +3738,7 @@ resolve@1.1.7:
   version "1.1.7"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.1.7.tgz#203114d82ad2c5ed9e8e0411b3932875e889e97b"
 
-resolve@^1.2.0:
+resolve@^1.1.6, resolve@^1.2.0, resolve@^1.4.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.5.0.tgz#1f09acce796c9a762579f31b2c1cc4c3cddf9f36"
   dependencies:
@@ -3739,6 +3767,49 @@ rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.5.4, rimraf@^2.6.1:
   dependencies:
     glob "^7.0.5"
 
+rollup-plugin-babel@^3.0.3:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-babel/-/rollup-plugin-babel-3.0.3.tgz#63adedc863130327512a4a9006efc2241c5b7c15"
+  dependencies:
+    rollup-pluginutils "^1.5.0"
+
+rollup-plugin-commonjs@^8.2.6:
+  version "8.2.6"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-commonjs/-/rollup-plugin-commonjs-8.2.6.tgz#27e5b9069ff94005bb01e01bb46a1e4873784677"
+  dependencies:
+    acorn "^5.2.1"
+    estree-walker "^0.5.0"
+    magic-string "^0.22.4"
+    resolve "^1.4.0"
+    rollup-pluginutils "^2.0.1"
+
+rollup-plugin-node-resolve@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-node-resolve/-/rollup-plugin-node-resolve-3.0.0.tgz#8b897c4c3030d5001277b0514b25d2ca09683ee0"
+  dependencies:
+    browser-resolve "^1.11.0"
+    builtin-modules "^1.1.0"
+    is-module "^1.0.0"
+    resolve "^1.1.6"
+
+rollup-pluginutils@^1.5.0:
+  version "1.5.2"
+  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-1.5.2.tgz#1e156e778f94b7255bfa1b3d0178be8f5c552408"
+  dependencies:
+    estree-walker "^0.2.1"
+    minimatch "^3.0.2"
+
+rollup-pluginutils@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/rollup-pluginutils/-/rollup-pluginutils-2.0.1.tgz#7ec95b3573f6543a46a6461bd9a7c544525d0fc0"
+  dependencies:
+    estree-walker "^0.3.0"
+    micromatch "^2.3.11"
+
+rollup@^0.52.3:
+  version "0.52.3"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-0.52.3.tgz#020d99fffe9619351e47b3894fd397c26f5e1bf6"
+
 rst-selector-parser@^2.2.3:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/rst-selector-parser/-/rst-selector-parser-2.2.3.tgz#81b230ea2fcc6066c89e3472de794285d9b03d91"
@@ -4165,6 +4236,10 @@ verror@1.10.0:
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
+vlq@^0.2.1:
+  version "0.2.3"
+  resolved "https://registry.yarnpkg.com/vlq/-/vlq-0.2.3.tgz#8f3e4328cf63b1540c0d67e1b2778386f8975b26"
+
 walker@~1.0.5:
   version "1.0.7"
   resolved "https://registry.yarnpkg.com/walker/-/walker-1.0.7.tgz#2f7f9b8fd10d677262b18a884e28d19618e028fb"