Jest jasmine/ts migration (#7970)

Author: doniyor2109

CHANGELOG.md

@@ -37,6 +37,7 @@
 
 ### Chore & Maintenance
 
+- `[jest-jasmine2]`: TS migration ([#7970](https://github.com/facebook/jest/pull/7970))
 - `[jest-each]`: Refactor into multiple files with better types ([#8018](https://github.com/facebook/jest/pull/8018))
 - `[jest-each]`: Migrate to Typescript ([#8007](https://github.com/facebook/jest/pull/8007))
 - `[jest-environment-jsdom]`: Migrate to TypeScript ([#7985](https://github.com/facebook/jest/pull/8003))

packages/jest-jasmine2/package.json

@@ -8,24 +8,26 @@
   },
   "license": "MIT",
   "main": "build/index.js",
+  "types": "build/index.d.ts",
   "dependencies": {
     "@babel/traverse": "^7.1.0",
+    "@jest/environment": "^24.1.0",
+    "@jest/types": "^24.1.0",
     "chalk": "^2.0.1",
     "co": "^4.6.0",
     "expect": "^24.1.0",
     "is-generator-fn": "^2.0.0",
     "jest-each": "^24.0.0",
     "jest-matcher-utils": "^24.0.0",
     "jest-message-util": "^24.0.0",
+    "jest-runtime": "^24.1.0",
     "jest-snapshot": "^24.1.0",
     "jest-util": "^24.0.0",
     "pretty-format": "^24.0.0",
     "throat": "^4.0.0"
   },
   "devDependencies": {
-    "@types/babel__traverse": "^7.0.4",
-    "jest-diff": "^24.0.0",
-    "jest-runtime": "^24.1.0"
+    "@types/babel__traverse": "^7.0.4"
   },
   "engines": {
     "node": ">= 6"

packages/jest-jasmine2/src/ExpectationFailed.js renamed to packages/jest-jasmine2/src/ExpectationFailed.ts

@@ -3,8 +3,6 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
- *
- * @flow
  */
 
 export default class ExpectationFailed extends Error {}

packages/jest-jasmine2/src/PCancelable.js

@@ -1,4 +1,9 @@
-// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
 
 'use strict';
 

packages/jest-jasmine2/src/__tests__/Suite.test.js renamed to packages/jest-jasmine2/src/__tests__/Suite.test.ts

@@ -6,21 +6,20 @@
  *
  */
 
-'use strict';
-
-import Suite from '../jasmine/Suite';
+import Suite, {Attributes} from '../jasmine/Suite';
 
 describe('Suite', () => {
-  let suite;
+  let suite: Suite;
 
   beforeEach(() => {
     suite = new Suite({
       getTestPath: () => '',
-    });
+    } as Attributes);
   });
 
   it("doesn't throw on addExpectationResult when there are no children", () => {
     expect(() => {
+      // @ts-ignore
       suite.addExpectationResult();
     }).not.toThrow();
   });

packages/jest-jasmine2/src/__tests__/__snapshots__/expectationResultFactory.test.js.snap renamed to packages/jest-jasmine2/src/__tests__/__snapshots__/expectationResultFactory.test.ts.snap

@@ -6,8 +6,6 @@
  *
  */
 
-'use strict';
-
 import expectationResultFactory from '../expectationResultFactory';
 
 describe('expectationResultFactory', () => {

packages/jest-jasmine2/src/__tests__/__snapshots__/matchers.test.js.snap renamed to packages/jest-jasmine2/src/__tests__/__snapshots__/matchers.test.ts.snap

@@ -3,15 +3,14 @@
  *
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
- *
- * @flow
  */
 
-'use strict';
+export type SharedHookType = 'afterAll' | 'beforeAll';
+export type HookType = SharedHookType | 'afterEach' | 'beforeEach';
 
 describe.each([['beforeEach'], ['beforeAll'], ['afterEach'], ['afterAll']])(
   '%s hooks error throwing',
-  fn => {
+  (fn: HookType) => {
     test.each([
       ['String'],
       [1],

packages/jest-jasmine2/src/__tests__/expectationResultFactory.test.js renamed to packages/jest-jasmine2/src/__tests__/expectationResultFactory.test.ts

@@ -6,8 +6,6 @@
  *
  */
 
-'use strict';
-
 describe('test/it error throwing', () => {
   it(`it throws error with missing callback function`, () => {
     expect(() => {
@@ -18,11 +16,13 @@ describe('test/it error throwing', () => {
   });
   it(`it throws an error when first argument isn't a string`, () => {
     expect(() => {
+      // @ts-ignore
       it(() => {});
     }).toThrowError(`Invalid first argument, () => {}. It must be a string.`);
   });
   it('it throws an error when callback function is not a function', () => {
     expect(() => {
+      // @ts-ignore
       it('test3', 'test3b');
     }).toThrowError(
       'Invalid second argument, test3b. It must be a callback function.',
@@ -37,11 +37,13 @@ describe('test/it error throwing', () => {
   });
   test(`test throws an error when first argument isn't a string`, () => {
     expect(() => {
+      // @ts-ignore
       test(() => {});
     }).toThrowError(`Invalid first argument, () => {}. It must be a string.`);
   });
   test('test throws an error when callback function is not a function', () => {
     expect(() => {
+      // @ts-ignore
       test('test6', 'test6b');
     }).toThrowError(
       'Invalid second argument, test6b. It must be a callback function.',