chore: copy d.ts files during build

CHANGELOG.md

@@ -9,6 +9,8 @@
 
 ### Chore & Maintenance
 
+- `[*]` Make sure to include `d.ts` files in the tarball when building ([#8086](https://github.com/facebook/jest/pull/8086))
+
 ### Performance
 
 ## 24.3.1

packages/jest-reporters/src/coverage_reporter.ts

@@ -6,8 +6,8 @@
  */
 
 // TODO: Remove this
-/// <reference path="./istanbul-lib-coverage.d.ts" />
-/// <reference path="./istanbul-api.d.ts" />
+/// <reference path="../istanbul-lib-coverage.d.ts" />
+/// <reference path="../istanbul-api.d.ts" />
 
 import path from 'path';
 import {Config} from '@jest/types';

packages/jest-reporters/src/generateEmptyCoverage.ts

@@ -6,7 +6,7 @@
  */
 
 // TODO: Remove this
-/// <reference path="./istanbul-lib-coverage.d.ts" />
+/// <reference path="../istanbul-lib-coverage.d.ts" />
 
 import {Config} from '@jest/types';
 import {readInitialCoverage} from 'istanbul-lib-instrument';

packages/jest-reporters/src/notify_reporter.ts

@@ -6,7 +6,7 @@
  */
 
 // TODO: Remove this
-/// <reference path="./node-notifier.d.ts" />
+/// <reference path="../node-notifier.d.ts" />
 
 import path from 'path';
 import util from 'util';

packages/jest-serializer/src/index.ts

@@ -4,6 +4,8 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  */
+// TODO: Remove this
+/// <reference path="../v8.d.ts" />
 
 import fs from 'fs';
 import v8 from 'v8';