add es build

.babelrc.js

@@ -1,3 +1,11 @@
 module.exports = {
-  "presets": [["jason", { "runtime": false }]]
+  presets: [
+    [
+      'jason',
+      {
+        runtime: false,
+        modules: process.env.BABEL_ENV === 'esm' ? false : 'commonjs',
+      },
+    ],
+  ],
 }

.gitignore

@@ -1,4 +1,5 @@
 /lib
+/es
 
 # Logs
 logs

package.json

@@ -2,7 +2,8 @@
   "name": "react-formal",
   "version": "0.27.0",
   "description": "Classy HTML form management for React",
-  "main": "lib/index.js",
+  "main": "lib/index.cjs.js",
+  "modules": "es/index.js",
   "author": {
     "name": "Jason Quense",
     "email": "monastic.panic@gmail.com"
@@ -13,9 +14,7 @@
     "url": "https://github.com/jquense/react-formal"
   },
   "license": "MIT",
-  "files": [
-    "lib"
-  ],
+  "files": ["lib", "es"],
   "keywords": [
     "react-formal",
     "react",
@@ -29,9 +28,7 @@
     "yup"
   ],
   "jest": {
-    "roots": [
-      "<rootDir>/test"
-    ],
+    "roots": ["<rootDir>/test"],
     "setupTestFrameworkScriptFile": "./test/index.js"
   },
   "scripts": {
@@ -40,7 +37,8 @@
     "lint": "eslint src",
     "docs": "webpack --config docs/webpack.config.js --progress",
     "docs:watch": "webpack-dev-server --config docs/webpack.config.js",
-    "build": " babel src --out-dir lib --copy-files",
+    "build:esm": "BABEL_ENV=esm babel src --out-dir es --copy-files",
+    "build": " babel src --out-dir lib --copy-files && npm run build:esm",
     "release": "release"
   },
   "peerDependencies": {
@@ -89,6 +87,7 @@
     "react-bootstrap": "^0.32.1",
     "react-component-metadata": "^3.0.0",
     "react-dom": "^16.3.2",
+    "react-formal": "^0.27.0",
     "react-router": "^4.2.0",
     "react-router-dom": "^4.2.2",
     "release-script": "^1.0.2",

src/index.cjs.js

@@ -0,0 +1,3 @@
+const ReactFormal = require('./index.js')
+
+module.exports = ReactFormal.default

src/index.js

@@ -34,7 +34,7 @@ const statics = {
 
 Object.assign(Form, statics)
 
+Form.statics = statics
+
 export { statics }
 export default Form
-
-module.exports = Form

yarn.lock

@@ -6633,6 +6633,22 @@ react-dom@^16.3.2:
     object-assign "^4.1.1"
     prop-types "^15.6.0"
 
+react-formal@^0.27.0:
+  version "0.27.0"
+  resolved "https://registry.yarnpkg.com/react-formal/-/react-formal-0.27.0.tgz#16ed6423eab27cbe005418f46d55b4f530b8b0d8"
+  dependencies:
+    chain-function "^1.0.0"
+    classnames "^2.2.5"
+    invariant "^2.2.4"
+    lodash "^4.17.10"
+    prop-types "^15.6.1"
+    property-expr "^1.4.0"
+    react-lifecycles-compat "^3.0.2"
+    topeka "^3.0.0"
+    uncontrollable "^6.0.0"
+    warning "^3.0.0"
+    yup "^0.24.1"
+
 react-is@^16.3.2:
   version "16.3.2"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.3.2.tgz#f4d3d0e2f5fbb6ac46450641eb2e25bf05d36b22"