chore(jest-core): replace chalk with picocolors

packages/jest-core/package.json

@@ -22,7 +22,6 @@
     "@jest/types": "workspace:*",
     "@types/node": "*",
     "ansi-escapes": "^4.2.1",
-    "chalk": "^4.0.0",
     "ci-info": "^4.0.0",
     "exit": "^0.1.2",
     "graceful-fs": "^4.2.9",
@@ -40,6 +39,7 @@
     "jest-validate": "workspace:*",
     "jest-watcher": "workspace:*",
     "micromatch": "^4.0.7",
+    "picocolors": "^1.0.1",
     "pretty-format": "workspace:*",
     "slash": "^3.0.0",
     "strip-ansi": "^6.0.0"

packages/jest-core/src/FailedTestsInteractiveMode.ts

@@ -6,7 +6,7 @@
  */
 
 import ansiEscapes = require('ansi-escapes');
-import chalk = require('chalk');
+import * as pico from 'picocolors';
 import type {AggregatedResult, AssertionLocation} from '@jest/test-result';
 import {pluralize, specialChars} from 'jest-util';
 import {KEYS} from 'jest-watcher';
@@ -16,10 +16,10 @@ type RunnerUpdateFunction = (failure?: AssertionLocation) => void;
 const {ARROW, CLEAR} = specialChars;
 
 function describeKey(key: string, description: string) {
-  return `${chalk.dim(`${ARROW}Press`)} ${key} ${chalk.dim(description)}`;
+  return `${pico.dim(`${ARROW}Press`)} ${key} ${pico.dim(description)}`;
 }
 
-const TestProgressLabel = chalk.bold('Interactive Test Progress');
+const TestProgressLabel = pico.bold('Interactive Test Progress');
 
 export default class FailedTestsInteractiveMode {
   private _isActive = false;
@@ -105,7 +105,7 @@ export default class FailedTestsInteractiveMode {
     this._pipe.write(CLEAR);
 
     const messages: Array<string> = [
-      chalk.bold('Watch Usage'),
+      pico.bold('Watch Usage'),
       describeKey('Enter', 'to return to watch mode.'),
     ];
 
@@ -118,8 +118,8 @@ export default class FailedTestsInteractiveMode {
     let stats = `${pluralize('test', this._countPaths)} reviewed`;
 
     if (this._skippedNum > 0) {
-      const skippedText = chalk.bold.yellow(
-        `${pluralize('test', this._skippedNum)} skipped`,
+      const skippedText = pico.bold(
+        pico.yellow(`${pluralize('test', this._skippedNum)} skipped`),
       );
 
       stats = `${stats}, ${skippedText}`;
@@ -129,7 +129,7 @@ export default class FailedTestsInteractiveMode {
       TestProgressLabel,
       `${ARROW}${stats}`,
       '\n',
-      chalk.bold('Watch Usage'),
+      pico.bold('Watch Usage'),
       describeKey('r', 'to restart Interactive Mode.'),
       describeKey('q', 'to quit Interactive Mode.'),
       describeKey('Enter', 'to return to watch mode.'),
@@ -146,8 +146,8 @@ export default class FailedTestsInteractiveMode {
     let stats = `${pluralize('test', numRemaining)} remaining`;
 
     if (this._skippedNum > 0) {
-      const skippedText = chalk.bold.yellow(
-        `${pluralize('test', this._skippedNum)} skipped`,
+      const skippedText = pico.bold(
+        pico.yellow(`${pluralize('test', this._skippedNum)} skipped`),
       );
 
       stats = `${stats}, ${skippedText}`;
@@ -157,7 +157,7 @@ export default class FailedTestsInteractiveMode {
       TestProgressLabel,
       `${ARROW}${stats}`,
       '\n',
-      chalk.bold('Watch Usage'),
+      pico.bold('Watch Usage'),
       describeKey('s', 'to skip the current test.'),
       describeKey('q', 'to quit Interactive Mode.'),
       describeKey('Enter', 'to return to watch mode.'),

packages/jest-core/src/SnapshotInteractiveMode.ts

@@ -6,7 +6,7 @@
  */
 
 import ansiEscapes = require('ansi-escapes');
-import chalk = require('chalk');
+import * as pico from 'picocolors';
 import type {AggregatedResult, AssertionLocation} from '@jest/test-result';
 import {pluralize, specialChars} from 'jest-util';
 import {KEYS} from 'jest-watcher';
@@ -48,37 +48,35 @@ export default class SnapshotInteractiveMode {
     const numPass = this._countPaths - this._testAssertions.length;
     const numRemaining = this._countPaths - numPass - this._skippedNum;
 
-    let stats = chalk.bold.dim(
-      `${pluralize('snapshot', numRemaining)} remaining`,
+    let stats = pico.bold(
+      pico.dim(`${pluralize('snapshot', numRemaining)} remaining`),
     );
     if (numPass) {
-      stats += `, ${chalk.bold.green(
-        `${pluralize('snapshot', numPass)} updated`,
+      stats += `, ${pico.bold(
+        pico.green(`${pluralize('snapshot', numPass)} updated`),
       )}`;
     }
     if (this._skippedNum) {
-      stats += `, ${chalk.bold.yellow(
-        `${pluralize('snapshot', this._skippedNum)} skipped`,
+      stats += `, ${pico.bold(
+        pico.yellow(`${pluralize('snapshot', this._skippedNum)} skipped`),
       )}`;
     }
     const messages = [
-      `\n${chalk.bold('Interactive Snapshot Progress')}`,
+      `\n${pico.bold('Interactive Snapshot Progress')}`,
       ARROW + stats,
-      `\n${chalk.bold('Watch Usage')}`,
+      `\n${pico.bold('Watch Usage')}`,
 
-      `${chalk.dim(`${ARROW}Press `)}u${chalk.dim(
+      `${pico.dim(`${ARROW}Press `)}u${pico.dim(
         ' to update failing snapshots for this test.',
       )}`,
 
-      `${chalk.dim(`${ARROW}Press `)}s${chalk.dim(
-        ' to skip the current test.',
-      )}`,
+      `${pico.dim(`${ARROW}Press `)}s${pico.dim(' to skip the current test.')}`,
 
-      `${chalk.dim(`${ARROW}Press `)}q${chalk.dim(
+      `${pico.dim(`${ARROW}Press `)}q${pico.dim(
         ' to quit Interactive Snapshot Mode.',
       )}`,
 
-      `${chalk.dim(`${ARROW}Press `)}Enter${chalk.dim(
+      `${pico.dim(`${ARROW}Press `)}Enter${pico.dim(
         ' to trigger a test run.',
       )}`,
     ];
@@ -90,29 +88,29 @@ export default class SnapshotInteractiveMode {
     this._pipe.write(CLEAR);
     const numPass = this._countPaths - this._testAssertions.length;
 
-    let stats = chalk.bold.dim(
-      `${pluralize('snapshot', this._countPaths)} reviewed`,
+    let stats = pico.bold(
+      pico.dim(`${pluralize('snapshot', this._countPaths)} reviewed`),
     );
     if (numPass) {
-      stats += `, ${chalk.bold.green(
-        `${pluralize('snapshot', numPass)} updated`,
+      stats += `, ${pico.bold(
+        pico.green(`${pluralize('snapshot', numPass)} updated`),
       )}`;
     }
     if (this._skippedNum) {
-      stats += `, ${chalk.bold.yellow(
-        `${pluralize('snapshot', this._skippedNum)} skipped`,
+      stats += `, ${pico.bold(
+        pico.yellow(`${pluralize('snapshot', this._skippedNum)} skipped`),
       )}`;
     }
     const messages = [
-      `\n${chalk.bold('Interactive Snapshot Result')}`,
+      `\n${pico.bold('Interactive Snapshot Result')}`,
       ARROW + stats,
-      `\n${chalk.bold('Watch Usage')}`,
+      `\n${pico.bold('Watch Usage')}`,
 
-      `${chalk.dim(`${ARROW}Press `)}r${chalk.dim(
+      `${pico.dim(`${ARROW}Press `)}r${pico.dim(
         ' to restart Interactive Snapshot Mode.',
       )}`,
 
-      `${chalk.dim(`${ARROW}Press `)}q${chalk.dim(
+      `${pico.dim(`${ARROW}Press `)}q${pico.dim(
         ' to quit Interactive Snapshot Mode.',
       )}`,
     ];
@@ -124,20 +122,20 @@ export default class SnapshotInteractiveMode {
     this._pipe.write(CLEAR);
     const numPass = this._countPaths - this._testAssertions.length;
 
-    let stats = chalk.bold.dim(
-      `${pluralize('snapshot', this._countPaths)} reviewed`,
+    let stats = pico.bold(
+      pico.dim(`${pluralize('snapshot', this._countPaths)} reviewed`),
     );
     if (numPass) {
-      stats += `, ${chalk.bold.green(
-        `${pluralize('snapshot', numPass)} updated`,
+      stats += `, ${pico.bold(
+        pico.green(`${pluralize('snapshot', numPass)} updated`),
       )}`;
     }
     const messages = [
-      `\n${chalk.bold('Interactive Snapshot Result')}`,
+      `\n${pico.bold('Interactive Snapshot Result')}`,
       ARROW + stats,
-      `\n${chalk.bold('Watch Usage')}`,
+      `\n${pico.bold('Watch Usage')}`,
 
-      `${chalk.dim(`${ARROW}Press `)}Enter${chalk.dim(
+      `${pico.dim(`${ARROW}Press `)}Enter${pico.dim(
         ' to return to watch mode.',
       )}`,
     ];

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

@@ -7,9 +7,9 @@
 
 import {performance} from 'perf_hooks';
 import type {WriteStream} from 'tty';
-import chalk = require('chalk');
 import exit = require('exit');
 import * as fs from 'graceful-fs';
+import * as pico from 'picocolors';
 import {CustomConsole} from '@jest/console';
 import type {AggregatedResult, TestContext} from '@jest/test-result';
 import type {Config} from '@jest/types';
@@ -129,7 +129,7 @@ export async function runCLI(
     const openHandlesString = pluralize('open handle', formatted.length, 's');
 
     const message =
-      chalk.red(
+      pico.red(
         `\nJest has detected the following ${openHandlesString} potentially keeping Jest from exiting:\n\n`,
       ) + formatted.join('\n\n');
 

packages/jest-core/src/getChangedFilesPromise.ts

@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import chalk = require('chalk');
+import * as pico from 'picocolors';
 import type {Config} from '@jest/types';
 import {
   type ChangedFilesPromise,
@@ -31,7 +31,7 @@ export default function getChangedFilesPromise(
         .filter(line => !line.includes('Command failed:'))
         .join('\n');
 
-      console.error(chalk.red(`\n\n${message}`));
+      console.error(pico.red(`\n\n${message}`));
 
       process.exit(1);
     });

packages/jest-core/src/getNoTestFound.ts

@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import chalk = require('chalk');
+import * as pico from 'picocolors';
 import type {Config} from '@jest/types';
 import {pluralize} from 'jest-util';
 import type {TestRunData} from './types';
@@ -26,15 +26,15 @@ export default function getNoTestFound(
       .map(p => `"${p}"`)
       .join(', ')}`;
   } else {
-    dataMessage = `Pattern: ${chalk.yellow(
+    dataMessage = `Pattern: ${pico.yellow(
       globalConfig.testPathPatterns.toPretty(),
     )} - 0 matches`;
   }
 
   if (willExitWith0) {
     return (
-      `${chalk.bold('No tests found, exiting with code 0')}\n` +
-      `In ${chalk.bold(globalConfig.rootDir)}` +
+      `${pico.bold('No tests found, exiting with code 0')}\n` +
+      `In ${pico.bold(globalConfig.rootDir)}` +
       '\n' +
       `  ${pluralize('file', testFiles, 's')} checked across ${pluralize(
         'project',
@@ -46,10 +46,10 @@ export default function getNoTestFound(
   }
 
   return (
-    `${chalk.bold('No tests found, exiting with code 1')}\n` +
+    `${pico.bold('No tests found, exiting with code 1')}\n` +
     'Run with `--passWithNoTests` to exit with code 0' +
     '\n' +
-    `In ${chalk.bold(globalConfig.rootDir)}` +
+    `In ${pico.bold(globalConfig.rootDir)}` +
     '\n' +
     `  ${pluralize('file', testFiles, 's')} checked across ${pluralize(
       'project',

packages/jest-core/src/getNoTestFoundFailed.ts

@@ -5,16 +5,16 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import chalk = require('chalk');
+import * as pico from 'picocolors';
 import type {Config} from '@jest/types';
 import {isInteractive} from 'jest-util';
 
 export default function getNoTestFoundFailed(
   globalConfig: Config.GlobalConfig,
 ): string {
-  let msg = chalk.bold('No failed test found.');
+  let msg = pico.bold('No failed test found.');
   if (isInteractive) {
-    msg += chalk.dim(
+    msg += pico.dim(
       `\n${
         globalConfig.watch
           ? 'Press `f` to quit "only failed tests" mode.'

packages/jest-core/src/getNoTestFoundPassWithNoTests.ts

@@ -5,8 +5,8 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import chalk = require('chalk');
+import * as pico from 'picocolors';
 
 export default function getNoTestFoundPassWithNoTests(): string {
-  return chalk.bold('No tests found, exiting with code 0');
+  return pico.bold('No tests found, exiting with code 0');
 }

packages/jest-core/src/getNoTestFoundRelatedToChangedFiles.ts

@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import chalk = require('chalk');
+import * as pico from 'picocolors';
 import type {Config} from '@jest/types';
 import {isInteractive} from 'jest-util';
 
@@ -15,10 +15,10 @@ export default function getNoTestFoundRelatedToChangedFiles(
   const ref = globalConfig.changedSince
     ? `"${globalConfig.changedSince}"`
     : 'last commit';
-  let msg = chalk.bold(`No tests found related to files changed since ${ref}.`);
+  let msg = pico.bold(`No tests found related to files changed since ${ref}.`);
 
   if (isInteractive) {
-    msg += chalk.dim(
+    msg += pico.dim(
       `\n${
         globalConfig.watch
           ? 'Press `a` to run all tests, or run Jest with `--watchAll`.'

packages/jest-core/src/getNoTestFoundVerbose.ts

@@ -5,7 +5,7 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import chalk = require('chalk');
+import * as pico from 'picocolors';
 import type {Config} from '@jest/types';
 import {pluralize} from 'jest-util';
 import type {Stats, TestRunData} from './types';
@@ -29,15 +29,15 @@ export default function getNoTestFoundVerbose(
             ? value.join(', ')
             : String(value);
           const matches = pluralize('match', stats[key] || 0, 'es');
-          return `  ${key}: ${chalk.yellow(valueAsString)} - ${matches}`;
+          return `  ${key}: ${pico.yellow(valueAsString)} - ${matches}`;
         }
         return null;
       })
       .filter(Boolean)
       .join('\n');
 
     return testRun.matches.total
-      ? `In ${chalk.bold(config.rootDir)}\n` +
+      ? `In ${pico.bold(config.rootDir)}\n` +
           `  ${pluralize(
             'file',
             testRun.matches.total || 0,
@@ -56,19 +56,19 @@ export default function getNoTestFoundVerbose(
       .map(p => `"${p}"`)
       .join(', ')}`;
   } else {
-    dataMessage = `Pattern: ${chalk.yellow(
+    dataMessage = `Pattern: ${pico.yellow(
       globalConfig.testPathPatterns.toPretty(),
     )} - 0 matches`;
   }
 
   if (willExitWith0) {
-    return `${chalk.bold(
+    return `${pico.bold(
       'No tests found, exiting with code 0',
     )}\n${individualResults.join('\n')}\n${dataMessage}`;
   }
 
   return (
-    `${chalk.bold('No tests found, exiting with code 1')}\n` +
+    `${pico.bold('No tests found, exiting with code 1')}\n` +
     'Run with `--passWithNoTests` to exit with code 0' +
     `\n${individualResults.join('\n')}\n${dataMessage}`
   );