Remove ES build - Wasn't really importing anything anyway.

Add flow-copy-source

Author: Daniel Schmidt

.babelrc.js

@@ -1,14 +1,3 @@
 module.exports = {
-  presets: [
-    [
-      'env',
-      process.env.BABEL_ENV === 'es'
-        ? {
-            modules: false,
-          }
-        : {},
-    ],
-    'react',
-    'stage-2',
-  ],
+  presets: ['env', 'react', 'stage-2'],
 }

package.json

@@ -3,8 +3,6 @@
   "version": "1.2.1",
   "description": "Monitor if a component is inside the viewport, using IntersectionObserver API",
   "main": "lib/index.js",
-  "module": "es/index.js",
-  "jsnext:main": "es/index.js",
   "author": "Daniel Schmidt",
   "repository": {
     "type": "git",
@@ -19,10 +17,10 @@
     "inview"
   ],
   "scripts": {
-    "build": "rm -rf lib && npm run build:lib && npm run build:es",
-    "build:es": "BABEL_ENV=es babel src --out-dir es --ignore __*,*.story.js,*.test.js",
+    "build": "rm -rf lib es && npm run build:lib && npm run build:flow",
     "build:lib": "babel src --out-dir lib --ignore __*,*.story.js,*.test.js",
     "build:storybook": "build-storybook --output-dir example",
+    "build:flow": "flow-copy-source -v src lib",
     "dev": "concurrently -k -r 'jest --watch' 'npm run storybook'",
     "lint": "eslint {src,stories,tests}/. ",
     "precommit": "flow && lint-staged",
@@ -58,8 +56,7 @@
       "<rootDir>/jest-setup.js"
     ]
   },
-  "dependencies": {
-  },
+  "dependencies": {},
   "peerDependencies": {
     "react": "^15.0.0 || ^16.0.0 || ^17.0.0"
   },
@@ -80,6 +77,7 @@
     "eslint": "^4.9.0",
     "eslint-config-insilico": "^5.0.1",
     "flow-bin": "^0.57.3",
+    "flow-copy-source": "^1.2.1",
     "husky": "^0.14.3",
     "intersection-observer": "^0.4.0",
     "jest": "^21.2.1",

yarn.lock

@@ -3090,6 +3090,16 @@ flow-bin@^0.57.3:
   version "0.57.3"
   resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.57.3.tgz#843fb80a821b6d0c5847f7bb3f42365ffe53b27b"
 
+flow-copy-source@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/flow-copy-source/-/flow-copy-source-1.2.1.tgz#705c2fa8fb29a281118e1c4b66218dec24b745ec"
+  dependencies:
+    chokidar "^1.7.0"
+    fs-extra "^3.0.1"
+    glob "^7.0.0"
+    kefir "^3.7.3"
+    yargs "^8.0.2"
+
 for-in@^1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/for-in/-/for-in-1.0.2.tgz#81068d295a8142ec0ac726c6e2200c30fb6d5e80"
@@ -3132,6 +3142,14 @@ [email protected]:
   version "0.5.2"
   resolved "https://registry.yarnpkg.com/fresh/-/fresh-0.5.2.tgz#3d8cadd90d976569fa835ab1f8e4b23a105605a7"
 
+fs-extra@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-3.0.1.tgz#3794f378c58b342ea7dbbb23095109c4b3b62291"
+  dependencies:
+    graceful-fs "^4.1.2"
+    jsonfile "^3.0.0"
+    universalify "^0.1.0"
+
 fs-readdir-recursive@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/fs-readdir-recursive/-/fs-readdir-recursive-1.0.0.tgz#8cd1745c8b4f8a29c8caec392476921ba195f560"
@@ -3287,7 +3305,7 @@ globby@^5.0.0:
     pify "^2.0.0"
     pinkie-promise "^2.0.0"
 
-graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.4:
+graceful-fs@^4.1.11, graceful-fs@^4.1.2, graceful-fs@^4.1.4, graceful-fs@^4.1.6:
   version "4.1.11"
   resolved "https://registry.yarnpkg.com/graceful-fs/-/graceful-fs-4.1.11.tgz#0e8bdfe4d1ddb8854d64e04ea7c00e2a026e5658"
 
@@ -4227,6 +4245,12 @@ json5@^0.5.0, json5@^0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/json5/-/json5-0.5.1.tgz#1eade7acc012034ad84e2396767ead9fa5495821"
 
+jsonfile@^3.0.0:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/jsonfile/-/jsonfile-3.0.1.tgz#a5ecc6f65f53f662c4415c7675a0331d0992ec66"
+  optionalDependencies:
+    graceful-fs "^4.1.6"
+
 jsonify@~0.0.0:
   version "0.0.0"
   resolved "https://registry.yarnpkg.com/jsonify/-/jsonify-0.0.0.tgz#2c74b6ee41d93ca51b7b5aaee8f503631d252a73"
@@ -4250,6 +4274,12 @@ jsx-ast-utils@^2.0.0:
   dependencies:
     array-includes "^3.0.3"
 
+kefir@^3.7.3:
+  version "3.7.4"
+  resolved "https://registry.yarnpkg.com/kefir/-/kefir-3.7.4.tgz#edc6192f686be611ac5c882426f74bf0ee287ef7"
+  dependencies:
+    symbol-observable "1.0.4"
+
 keycode@^2.1.8:
   version "2.1.9"
   resolved "https://registry.yarnpkg.com/keycode/-/keycode-2.1.9.tgz#964a23c54e4889405b4861a5c9f0480d45141dfa"
@@ -6480,7 +6510,7 @@ svgo@^0.7.0:
     sax "~1.2.1"
     whet.extend "~0.9.9"
 
-symbol-observable@^1.0.1, symbol-observable@^1.0.3:
+symbol-observable@1.0.4, symbol-observable@^1.0.1, symbol-observable@^1.0.3:
   version "1.0.4"
   resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.0.4.tgz#29bf615d4aa7121bdd898b22d4b3f9bc4e2aa03d"
 
@@ -6680,6 +6710,10 @@ unique-string@^1.0.0:
   dependencies:
     crypto-random-string "^1.0.0"
 
+universalify@^0.1.0:
+  version "0.1.1"
+  resolved "https://registry.yarnpkg.com/universalify/-/universalify-0.1.1.tgz#fa71badd4437af4c148841e3b3b165f9e9e590b7"
+
 [email protected], unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"