Use rollup for browser builds (#3532)

* Remove browser builds for sub dependencies

* Add karma browser tests for es5 builds

* Use rollup for browser builds

* Review comment + prettier

* Fix rollup build by using export for jest-matchers

* Run prettier on unrelated file

circle.yml

@@ -27,6 +27,7 @@ test:
     - nvm alias default 4
     - yarn run test-ci-partial
     - nvm alias default 8
+    - yarn run test-ci-es5-build-in-browser
     - yarn run test-ci-partial
     - cd website && yarn run test
 

integration_tests/browser-support/browser-test.js

@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+/* eslint-disable */
+var expect = require('../../packages/jest-matchers/build-es5/index.js');
+var mock = require('../../packages/jest-mock/build-es5/index.js');
+
+describe('es5 builds in browser', function() {
+  it('runs assertions', function() {
+    expect(1).toBe(1);
+  });
+
+  it('runs mocks', function() {
+    var someMockFunction = mock.fn();
+    expect(someMockFunction).not.toHaveBeenCalled();
+    someMockFunction();
+    expect(someMockFunction).toHaveBeenCalledTimes(1);
+  });
+});

karma.conf.js

@@ -0,0 +1,21 @@
+/**
+ * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+ *
+ * This source code is licensed under the BSD-style license found in the
+ * LICENSE file in the root directory of this source tree. An additional grant
+ * of patent rights can be found in the PATENTS file in the same directory.
+ */
+
+module.exports = config => {
+  config.set({
+    browsers: ['ChromeHeadless'],
+    files: [
+      'integration_tests/browser-support/browser-test.js',
+    ],
+    frameworks: ['mocha', 'browserify'],
+    plugins: ['karma-browserify', 'karma-chrome-launcher', 'karma-mocha'],
+    preprocessors: {
+      'integration_tests/browser-support/browser-test.js': ['browserify'],
+    },
+  });
+};

package.json

@@ -5,6 +5,7 @@
     "ansi-styles": "^3.0.0",
     "babel-core": "^6.23.1",
     "babel-eslint": "^7.1.1",
+    "babel-plugin-external-helpers": "^6.22.0",
     "babel-plugin-syntax-trailing-function-commas": "^6.13.0",
     "babel-plugin-transform-async-to-generator": "^6.16.0",
     "babel-plugin-transform-es2015-destructuring": "^6.23.0",
@@ -16,6 +17,7 @@
     "babel-preset-env": "^1.4.0",
     "babel-preset-react": "^6.24.1",
     "babel-preset-react-native": "^1.9.1",
+    "browserify": "^14.4.0",
     "chalk": "^1.1.3",
     "codecov": "^1.0.1",
     "cross-spawn": "^5.1.0",
@@ -35,10 +37,15 @@
     "jasmine-reporters": "^2.2.0",
     "jquery": "^3.2.1",
     "jsdom": "^9.12.0",
+    "karma": "^1.7.0",
+    "karma-browserify": "^5.1.1",
+    "karma-chrome-launcher": "^2.1.1",
+    "karma-mocha": "^1.3.0",
     "left-pad": "^1.1.1",
     "lerna": "2.0.0-rc.4",
     "micromatch": "^2.3.11",
     "mkdirp": "^0.5.1",
+    "mocha": "^3.4.2",
     "prettier": "1.3.1",
     "progress": "^1.1.8",
     "react": "15.4.2",
@@ -47,6 +54,14 @@
     "react-test-renderer": "15.4.2",
     "regenerator-runtime": "^0.10.3",
     "rimraf": "^2.5.4",
+    "rollup": "^0.41.6",
+    "rollup-plugin-babel": "^2.7.1",
+    "rollup-plugin-commonjs": "^8.0.2",
+    "rollup-plugin-flow": "^1.1.1",
+    "rollup-plugin-json": "^2.1.1",
+    "rollup-plugin-node-builtins": "^2.1.1",
+    "rollup-plugin-node-globals": "^1.1.0",
+    "rollup-plugin-node-resolve": "^3.0.0",
     "slash": "^1.0.0",
     "string-length": "^1.0.1",
     "strip-ansi": "^3.0.1",
@@ -64,6 +79,7 @@
     "prettier": "node scripts/prettier.js write",
     "postinstall": "node ./scripts/postinstall.js && yarn run build --silent && (cd packages/eslint-plugin-jest && yarn link --silent) && yarn link eslint-plugin-jest --silent",
     "publish": "yarn run build-clean --silent && yarn run build --silent && lerna publish --silent",
+    "test-ci-es5-build-in-browser": "karma start --single-run",
     "test-ci": "yarn run typecheck --silent && yarn run lint --silent && yarn run lint-es5-build && yarn run jest-coverage --silent -- -i && yarn run test-examples --silent && node scripts/mapCoverage.js && codecov",
     "test-ci-partial": "yarn run jest --silent -- -i && yarn run test-examples --silent",
     "test-examples": "node scripts/test_examples.js",

packages/jest-config/src/__tests__/normalize.test.js

@@ -837,8 +837,8 @@ describe('preset', () => {
   });
 
   test('merges with options and moduleNameMapper preset is overridden by options', () => {
-    // Object initializer not used for properties as a workaround for 
-    //  sort-keys eslint rule while specifing properties in 
+    // Object initializer not used for properties as a workaround for
+    //  sort-keys eslint rule while specifing properties in
     //  non-alphabetical order for a better test
     const moduleNameMapper = {};
     moduleNameMapper.e = 'ee';

packages/jest-diff/package.json

@@ -7,7 +7,6 @@
   },
   "license": "BSD-3-Clause",
   "main": "build/index.js",
-  "browser": "build-es5/index.js",
   "dependencies": {
     "chalk": "^1.1.3",
     "diff": "^3.2.0",

packages/jest-get-type/package.json

@@ -7,6 +7,5 @@
     "url": "https://github.com/facebook/jest.git"
   },
   "license": "BSD-3-Clause",
-  "main": "build/index.js",
-  "browser": "build-es5/index.js"
+  "main": "build/index.js"
 }

packages/jest-haste-map/yarn.lock

@@ -533,18 +533,18 @@ mime-types@^2.1.12, mime-types@~2.1.7:
   dependencies:
     mime-db "~1.27.0"
 
-minimatch@^3.0.0, minimatch@^3.0.2:
-  version "3.0.3"
-  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.3.tgz#2a4e4090b96b2db06a9d7df01055a62a77c9b774"
-  dependencies:
-    brace-expansion "^1.0.0"
-
-minimatch@^3.0.4:
+minimatch@^3.0.0, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   dependencies:
     brace-expansion "^1.1.7"
 
+minimatch@^3.0.2:
+  version "3.0.3"
+  resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.3.tgz#2a4e4090b96b2db06a9d7df01055a62a77c9b774"
+  dependencies:
+    brace-expansion "^1.0.0"
+
 minimist@0.0.8:
   version "0.0.8"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"

packages/jest-matcher-utils/package.json

@@ -8,7 +8,6 @@
   },
   "license": "BSD-3-Clause",
   "main": "build/index.js",
-  "browser": "build-es5/index.js",
   "dependencies": {
     "chalk": "^1.1.3",
     "jest-get-type": "^20.0.3",

packages/jest-matchers/src/asymmetric_matchers.js

@@ -231,11 +231,13 @@ class StringMatching extends AsymmetricMatcher {
   }
 }
 
-module.exports = {
-  any: (expectedObject: any) => new Any(expectedObject),
-  anything: () => new Anything(),
-  arrayContaining: (sample: Array<any>) => new ArrayContaining(sample),
-  objectContaining: (sample: Object) => new ObjectContaining(sample),
-  stringContaining: (expected: string) => new StringContaining(expected),
-  stringMatching: (expected: string | RegExp) => new StringMatching(expected),
-};
+export const any = (expectedObject: any) => new Any(expectedObject);
+export const anything = () => new Anything();
+export const arrayContaining = (sample: Array<any>) =>
+  new ArrayContaining(sample);
+export const objectContaining = (sample: Object) =>
+  new ObjectContaining(sample);
+export const stringContaining = (expected: string) =>
+  new StringContaining(expected);
+export const stringMatching = (expected: string | RegExp) =>
+  new StringMatching(expected);

packages/jest-matchers/src/extract_expected_assertions_errors.js

@@ -69,4 +69,4 @@ const extractExpectedAssertionsErrors = () => {
   return result;
 };
 
-module.exports = extractExpectedAssertionsErrors;
+export default extractExpectedAssertionsErrors;

packages/jest-matchers/src/jasmine_utils.js

@@ -28,7 +28,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 type Tester = (a: any, b: any) => boolean | typeof undefined;
 
 // Extracted out of jasmine 2.5.2
-function equals(a: any, b: any, customTesters?: Array<Tester>): boolean {
+export function equals(a: any, b: any, customTesters?: Array<Tester>): boolean {
   customTesters = customTesters || [];
   return eq(a, b, [], [], customTesters);
 }
@@ -229,15 +229,15 @@ function has(obj, key) {
   );
 }
 
-function isA(typeName: string, value: any) {
+export function isA(typeName: string, value: any) {
   return Object.prototype.toString.apply(value) === '[object ' + typeName + ']';
 }
 
 function isDomNode(obj) {
   return obj.nodeType > 0;
 }
 
-function fnNameFor(func: Function) {
+export function fnNameFor(func: Function) {
   if (func.name) {
     return func.name;
   }
@@ -246,7 +246,7 @@ function fnNameFor(func: Function) {
   return matches ? matches[1] : '<anonymous>';
 }
 
-function isUndefined(obj: any) {
+export function isUndefined(obj: any) {
   return obj === void 0;
 }
 
@@ -262,7 +262,7 @@ function getPrototype(obj) {
   return obj.constructor.prototype;
 }
 
-function hasProperty(obj: Object | null, property: string) {
+export function hasProperty(obj: Object | null, property: string) {
   if (!obj) {
     return false;
   }
@@ -273,11 +273,3 @@ function hasProperty(obj: Object | null, property: string) {
 
   return hasProperty(getPrototype(obj), property);
 }
-
-module.exports = {
-  equals,
-  fnNameFor,
-  hasProperty,
-  isA,
-  isUndefined,
-};

packages/jest-matchers/src/jest_matchers_object.js

@@ -28,21 +28,14 @@ if (!global[JEST_MATCHERS_OBJECT]) {
   });
 }
 
-const getState = () => global[JEST_MATCHERS_OBJECT].state;
+export const getState = () => global[JEST_MATCHERS_OBJECT].state;
 
-const setState = (state: Object) => {
+export const setState = (state: Object) => {
   Object.assign(global[JEST_MATCHERS_OBJECT].state, state);
 };
 
-const getMatchers = () => global[JEST_MATCHERS_OBJECT].matchers;
+export const getMatchers = () => global[JEST_MATCHERS_OBJECT].matchers;
 
-const setMatchers = (matchers: MatchersObject) => {
+export const setMatchers = (matchers: MatchersObject) => {
   Object.assign(global[JEST_MATCHERS_OBJECT].matchers, matchers);
 };
-
-module.exports = {
-  getMatchers,
-  getState,
-  setMatchers,
-  setState,
-};

packages/jest-matchers/src/matchers.js

@@ -654,4 +654,4 @@ const matchers: MatchersObject = {
   },
 };
 
-module.exports = matchers;
+export default matchers;

packages/jest-matchers/src/spy_matchers.js

@@ -198,4 +198,4 @@ const formatReceivedCalls = (calls, limit, options) => {
   }
 };
 
-module.exports = spyMatchers;
+export default spyMatchers;

packages/jest-matchers/src/to_throw_matchers.js

@@ -190,4 +190,4 @@ const printActualErrorMessage = error => {
   return `But it didn't throw anything.`;
 };
 
-module.exports = matchers;
+export default matchers;

packages/jest-matchers/src/utils.js

@@ -17,10 +17,10 @@ type GetPath = {
   value?: any,
 };
 
-const hasOwnProperty = (object: Object, value: string) =>
+export const hasOwnProperty = (object: Object, value: string) =>
   Object.prototype.hasOwnProperty.call(object, value);
 
-const getPath = (
+export const getPath = (
   object: Object,
   propertyPath: string | Array<string>,
 ): GetPath => {
@@ -66,7 +66,7 @@ const getPath = (
 
 // Strip properties from object that are not present in the subset. Useful for
 // printing the diff for toMatchObject() without adding unrelated noise.
-const getObjectSubset = (object: Object, subset: Object) => {
+export const getObjectSubset = (object: Object, subset: Object) => {
   if (Array.isArray(object)) {
     if (Array.isArray(subset) && subset.length === object.length) {
       return subset.map((sub, i) => getObjectSubset(object[i], sub));
@@ -96,7 +96,7 @@ const getObjectSubset = (object: Object, subset: Object) => {
 const IteratorSymbol = Symbol.iterator;
 
 const hasIterator = object => !!(object != null && object[IteratorSymbol]);
-const iterableEquality = (a: any, b: any) => {
+export const iterableEquality = (a: any, b: any) => {
   if (
     typeof a !== 'object' ||
     typeof b !== 'object' ||
@@ -123,10 +123,3 @@ const iterableEquality = (a: any, b: any) => {
   }
   return true;
 };
-
-module.exports = {
-  getObjectSubset,
-  getPath,
-  hasOwnProperty,
-  iterableEquality,
-};

packages/jest-message-util/package.json

@@ -7,7 +7,6 @@
   },
   "license": "BSD-3-Clause",
   "main": "build/index.js",
-  "browser": "build-es5/index.js",
   "dependencies": {
     "chalk": "^1.1.3",
     "micromatch": "^2.3.11",

packages/jest-regex-util/package.json

@@ -6,6 +6,5 @@
     "url": "https://github.com/facebook/jest.git"
   },
   "license": "BSD-3-Clause",
-  "main": "build/index.js",
-  "browser": "build-es5/index.js"
+  "main": "build/index.js"
 }

packages/jest-util/package.json

@@ -7,7 +7,6 @@
   },
   "license": "BSD-3-Clause",
   "main": "build/index.js",
-  "browser": "build-es5/index.js",
   "dependencies": {
     "chalk": "^1.1.3",
     "graceful-fs": "^4.1.11",

packages/jest-validate/package.json

@@ -7,7 +7,6 @@
   },
   "license": "BSD-3-Clause",
   "main": "build/index.js",
-  "browser": "build-es5/index.js",
   "dependencies": {
     "chalk": "^1.1.3",
     "jest-get-type": "^20.0.3",

packages/pretty-format/package.json

@@ -8,7 +8,6 @@
   "license": "BSD-3-Clause",
   "description": "Stringify any JavaScript value.",
   "main": "build/index.js",
-  "browser": "build-es5/index.js",
   "author": "James Kyle <me@thejameskyle.com>",
   "dependencies": {
     "ansi-regex": "^2.1.1",