chore: migrate jest-mock to TypeScript

.eslintrc.js

@@ -25,6 +25,7 @@ module.exports = {
           {argsIgnorePattern: '^_'},
         ],
         'import/order': 'error',
+        'no-dupe-class-members': 'off',
         'no-unused-vars': 'off',
       },
     },

CHANGELOG.md

@@ -23,6 +23,7 @@
 - `[@jest/types]`: New package to handle shared types ([#7834](https://github.com/facebook/jest/pull/7834))
 - `[jest-util]`: Migrate to TypeScript ([#7844](https://github.com/facebook/jest/pull/7844))
 - `[jest-watcher]`: Migrate to TypeScript ([#7843](https://github.com/facebook/jest/pull/7843))
+- `[jest-mock]`: Migrate to TypeScript ([#7847](https://github.com/facebook/jest/pull/7847))
 
 ### Performance
 

packages/jest-mock/package.json

@@ -9,8 +9,12 @@
   "engines": {
     "node": ">= 6"
   },
+  "dependencies": {
+    "@jest/types": "^24.1.0"
+  },
   "license": "MIT",
   "main": "build/index.js",
+  "types": "build/index.d.ts",
   "browser": "build-es5/index.js",
   "gitHead": "634e5a54f46b2a62d1dc81a170562e6f4e55ad60"
 }

packages/jest-mock/src/__tests__/jest_mock.test.js → packages/jest-mock/src/__tests__/index.test.ts

@@ -6,9 +6,7 @@
  *
  */
 
-'use strict';
-
-const vm = require('vm');
+import vm from 'vm';
 
 describe('moduleMocker', () => {
   let moduleMocker;
@@ -182,6 +180,7 @@ describe('moduleMocker', () => {
     it('mocks ES2015 non-enumerable static properties and methods', () => {
       class ClassFoo {
         static foo() {}
+        static fooProp: Function;
       }
       ClassFoo.fooProp = () => {};