feat(jest-core): optimize jest-core code

CHANGELOG.md

@@ -6,6 +6,8 @@
 
 ### Chore & Maintenance
 
+- `[@jest/core]` Use `pluralize` from `jest-util` rather than own internal ([#14322](https://github.com/jestjs/jest/pull/14322))
+
 ### Performance
 
 ## 29.6.1

packages/jest-core/src/cli/index.ts

@@ -16,7 +16,7 @@ import type {ChangedFilesPromise} from 'jest-changed-files';
 import {readConfigs} from 'jest-config';
 import type {IHasteMap} from 'jest-haste-map';
 import Runtime from 'jest-runtime';
-import {createDirectory, preRunMessage} from 'jest-util';
+import {createDirectory, pluralize, preRunMessage} from 'jest-util';
 import {TestWatcher} from 'jest-watcher';
 import {formatHandleErrors} from '../collectHandles';
 import getChangedFilesPromise from '../getChangedFilesPromise';
@@ -26,7 +26,6 @@ import getSelectProjectsMessage from '../getSelectProjectsMessage';
 import createContext from '../lib/createContext';
 import handleDeprecationWarnings from '../lib/handleDeprecationWarnings';
 import logDebugMessages from '../lib/logDebugMessages';
-import pluralize from '../pluralize';
 import runJest from '../runJest';
 import type {Filter} from '../types';
 import watch from '../watch';

packages/jest-core/src/getNoTestFound.ts

@@ -7,7 +7,7 @@
 
 import chalk = require('chalk');
 import type {Config} from '@jest/types';
-import pluralize from './pluralize';
+import {pluralize} from 'jest-util';
 import type {TestRunData} from './types';
 
 export default function getNoTestFound(

packages/jest-core/src/getNoTestFoundVerbose.ts

@@ -7,7 +7,7 @@
 
 import chalk = require('chalk');
 import type {Config} from '@jest/types';
-import pluralize from './pluralize';
+import {pluralize} from 'jest-util';
 import type {Stats, TestRunData} from './types';
 
 export default function getNoTestFoundVerbose(

packages/jest-util/src/pluralize.ts

@@ -5,6 +5,10 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-export default function pluralize(word: string, count: number): string {
-  return `${count} ${word}${count === 1 ? '' : 's'}`;
+export default function pluralize(
+  word: string,
+  count: number,
+  ending = 's',
+): string {
+  return `${count} ${word}${count === 1 ? '' : ending}`;
 }