Create @react-native/polyfills package.

Summary: Changelog: [Internal]

Reviewed By: GijsWeterings

Differential Revision: D22625944

fbshipit-source-id: 1d97550c92115eb637da57e8f38c28e8139f3a8b

Author: cpojer

Libraries/vendor/core/ErrorUtils.js

@@ -8,7 +8,7 @@
  * @flow strict
  */
 
-import type {ErrorUtilsT} from '../../polyfills/error-guard';
+import type {ErrorUtilsT} from '@react-native/polyfills/error-guard';
 
 /**
  * The particular require runtime that we are using looks for a global

jest-preset.js

@@ -21,7 +21,7 @@ module.exports = {
     ),
   },
   transformIgnorePatterns: [
-    'node_modules/(?!(jest-)?react-native|@react-native-community)',
+    'node_modules/(?!((jest-)?react-native|@react-native(-community)?)/)',
   ],
   setupFiles: [require.resolve('./jest/setup.js')],
   testEnvironment: 'node',

jest.config.js

@@ -3,49 +3,46 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
+ *
+ * @format
  */
 
 'use strict';
 
 module.exports = {
-    'transform': {
-      '^.+\\.(bmp|gif|jpg|jpeg|mp4|png|psd|svg|webp)$': '<rootDir>/jest/assetFileTransformer.js',
-      '.*': './jest/preprocessor.js',
-    },
-    'setupFiles': [
-      './jest/setup.js',
-    ],
-    'timers': 'fake',
-    'testRegex': '/__tests__/.*-test\\.js$',
-    'testPathIgnorePatterns': [
-      '/node_modules/',
-      '<rootDir>/template',
-      'Libraries/Renderer',
-      'RNTester/e2e',
-    ],
-    'haste': {
-      'defaultPlatform': 'ios',
-      'platforms': [
-        'ios',
-        'android',
-      ],
-    },
-    'unmockedModulePathPatterns': [
-      'node_modules/react/',
-      'Libraries/Renderer',
-      'promise',
-      'source-map',
-      'fastpath',
-      'denodeify',
-      'fbjs',
-    ],
-    'testEnvironment': 'node',
-    'collectCoverageFrom': [
-      'Libraries/**/*.js',
-    ],
-    'coveragePathIgnorePatterns': [
-      '/__tests__/',
-      '/vendor/',
-      '<rootDir>/Libraries/react-native/',
-    ],
+  transform: {
+    '^.+\\.(bmp|gif|jpg|jpeg|mp4|png|psd|svg|webp)$':
+      '<rootDir>/jest/assetFileTransformer.js',
+    '.*': './jest/preprocessor.js',
+  },
+  setupFiles: ['./jest/setup.js'],
+  timers: 'fake',
+  testRegex: '/__tests__/.*-test\\.js$',
+  testPathIgnorePatterns: [
+    '/node_modules/',
+    '<rootDir>/template',
+    'Libraries/Renderer',
+    'RNTester/e2e',
+  ],
+  transformIgnorePatterns: ['node_modules/(?!@react-native/)'],
+  haste: {
+    defaultPlatform: 'ios',
+    platforms: ['ios', 'android'],
+  },
+  unmockedModulePathPatterns: [
+    'node_modules/react/',
+    'Libraries/Renderer',
+    'promise',
+    'source-map',
+    'fastpath',
+    'denodeify',
+    'fbjs',
+  ],
+  testEnvironment: 'node',
+  collectCoverageFrom: ['Libraries/**/*.js'],
+  coveragePathIgnorePatterns: [
+    '/__tests__/',
+    '/vendor/',
+    '<rootDir>/Libraries/react-native/',
+  ],
 };

jest/setup.js

@@ -12,8 +12,8 @@
 const MockNativeMethods = jest.requireActual('./MockNativeMethods');
 const mockComponent = jest.requireActual('./mockComponent');
 
-jest.requireActual('../Libraries/polyfills/Object.es7.js');
-jest.requireActual('../Libraries/polyfills/error-guard');
+jest.requireActual('@react-native/polyfills/Object.es7');
+jest.requireActual('@react-native/polyfills/error-guard');
 
 global.__DEV__ = true;
 

package.json

@@ -85,9 +85,10 @@
     "react": "0.0.0-experimental-aae83a4b9"
   },
   "dependencies": {
-    "@react-native-community/cli": "^4.10.0",
     "@react-native-community/cli-platform-android": "^4.10.0",
     "@react-native-community/cli-platform-ios": "^4.10.0",
+    "@react-native-community/cli": "^4.10.0",
+    "@react-native/polyfills": "1.0.0",
     "abort-controller": "^3.0.0",
     "anser": "^1.4.9",
     "base64-js": "^1.1.2",

packages/polyfills/.npmignore

@@ -0,0 +1,3 @@
+**/__mocks__/**
+**/__tests__/**
+BUCK

packages/polyfills/BUCK

@@ -0,0 +1,20 @@
+load("@fbsource//tools/build_defs/third_party:yarn_defs.bzl", "yarn_workspace")
+
+yarn_workspace(
+    name = "yarn-workspace",
+    srcs = glob(
+        [
+            "**/*.js",
+            "**/*.json",
+        ],
+        exclude = [
+            "**/__fixtures__/**",
+            "**/__flowtests__/**",
+            "**/__mocks__/**",
+            "**/__tests__/**",
+            "**/node_modules/**",
+            "**/node_modules/.bin/**",
+        ],
+    ),
+    visibility = ["PUBLIC"],
+)

Libraries/polyfills/Object.es7.js packages/polyfills/Object.es7.js

@@ -0,0 +1,16 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @format
+ */
+
+'use strict';
+
+module.exports = () => [
+  require.resolve('./console.js'),
+  require.resolve('./error-guard.js'),
+  require.resolve('./Object.es7.js'),
+];

Libraries/polyfills/__tests__/Object.es7-test.js packages/polyfills/__tests__/Object.es7-test.js

@@ -0,0 +1,10 @@
+{
+  "name": "@react-native/polyfills",
+  "version": "1.0.0",
+  "description": "Polyfills for React Native.",
+  "repository": {
+    "type": "git",
+    "url": "git@github.com:facebook/react-native.git"
+  },
+  "license": "MIT"
+}

Libraries/polyfills/console.js packages/polyfills/console.js

@@ -9,8 +9,4 @@
 
 'use strict';
 
-module.exports = () => [
-  require.resolve('./Libraries/polyfills/console.js'),
-  require.resolve('./Libraries/polyfills/error-guard.js'),
-  require.resolve('./Libraries/polyfills/Object.es7.js'),
-];
+module.exports = require('@react-native/polyfills');

Libraries/polyfills/error-guard.js packages/polyfills/error-guard.js

@@ -89,7 +89,7 @@ try {
 
   const METRO_CONFIG = path.join(ROOT, 'metro.config.js');
   const RN_GET_POLYFILLS = path.join(ROOT, 'rn-get-polyfills.js');
-  const RN_POLYFILLS_PATH = 'Libraries/polyfills/';
+  const RN_POLYFILLS_PATH = 'packages/polyfills/';
   exec(`mkdir -p ${RN_POLYFILLS_PATH}`);
 
   cp(METRO_CONFIG, '.');

packages/polyfills/index.js

@@ -1144,6 +1144,11 @@
 "@react-native-community/eslint-plugin@file:packages/eslint-plugin-react-native-community":
   version "1.1.0"
 
+"@react-native/polyfills@1.0.0":
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/@react-native/polyfills/-/polyfills-1.0.0.tgz#05bb0031533598f9458cf65a502b8df0eecae780"
+  integrity sha512-0jbp4RxjYopTsIdLl+/Fy2TiwVYHy4mgeu07DG4b/LyM0OS/+lPP5c9sbnt/AMlnF6qz2JRZpPpGw1eMNS6A4w==
+
 "@reactions/component@^2.0.2":
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/@reactions/component/-/component-2.0.2.tgz#40f8c1c2c37baabe57a0c944edb9310dc1ec6642"