jestjs · juliesaia · Dec 20, 2025 · Dec 20, 2025 · Dec 20, 2025
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -17,6 +17,7 @@
 
 - `[docs]` Update V30 migration guide to notify users on `jest.mock()` work with case-sensitive path ([#15849](https://github.com/jestjs/jest/pull/15849))
 - `[deps]` Update to sinon/fake-timers v15
+- `[*]` Replace remaining micromatch uses with picomatch
 
 ## 30.2.0
 

diff --git a/package.json b/package.json
@@ -62,7 +62,6 @@
  "jest-watch-typeahead": "^3.0.1",
  "jquery": "^3.2.1",
  "js-yaml": "^4.1.1",
- "micromatch": "^4.0.8",
  "mock-fs": "^5.5.0",
  "netlify-plugin-cache": "^1.0.3",
  "node-notifier": "^10.0.1",

diff --git a/packages/jest-config/package.json b/packages/jest-config/package.json
@@ -54,7 +54,6 @@
  "jest-runner": "workspace:*",
  "jest-util": "workspace:*",
  "jest-validate": "workspace:*",
- "micromatch": "^4.0.8",
  "parse-json": "^5.2.0",
  "pretty-format": "workspace:*",
  "slash": "^3.0.0",
@@ -63,7 +62,6 @@
  "devDependencies": {
  "@jest/test-utils": "workspace:*",
  "@types/graceful-fs": "^4.1.9",
- "@types/micromatch": "^4.0.9",
  "@types/parse-json": "^4.0.2",
  "esbuild": "^0.25.5",
  "esbuild-register": "^3.6.0",

diff --git a/packages/jest-config/src/normalize.ts b/packages/jest-config/src/normalize.ts
@@ -12,7 +12,6 @@ import chalk from 'chalk';
 import merge from 'deepmerge';
 import {glob} from 'glob';
 import {statSync} from 'graceful-fs';
-import micromatch from 'micromatch';
 import {TestPathPatterns} from '@jest/pattern';
 import type {Config} from '@jest/types';
 import {replacePathSepForRegex} from 'jest-regex-util';
@@ -24,6 +23,7 @@ import Resolver, {
 } from 'jest-resolve';
 import {
  clearLine,
+ globsToMatcher,
  replacePathSepForGlob,
  requireOrImportModule,
  tryRealpath,
@@ -1135,10 +1135,9 @@ export default async function normalize(
  if (newOptions.collectCoverageFrom) {
  collectCoverageFrom = collectCoverageFrom.reduce((patterns, filename) => {
  if (
- micromatch(
- [replacePathSepForGlob(path.relative(options.rootDir, filename))],
- newOptions.collectCoverageFrom,
- ).length === 0
+ !globsToMatcher(newOptions.collectCoverageFrom)(
+ replacePathSepForGlob(path.relative(options.rootDir, filename)),
+ )
  ) {
  return patterns;
  }

diff --git a/packages/jest-core/package.json b/packages/jest-core/package.json
@@ -39,15 +39,13 @@
  "jest-util": "workspace:*",
  "jest-validate": "workspace:*",
  "jest-watcher": "workspace:*",
- "micromatch": "^4.0.8",
  "pretty-format": "workspace:*",
  "slash": "^3.0.0"
  },
  "devDependencies": {
  "@jest/test-sequencer": "workspace:*",
  "@jest/test-utils": "workspace:*",
- "@types/graceful-fs": "^4.1.9",
- "@types/micromatch": "^4.0.9"
+ "@types/graceful-fs": "^4.1.9"
  },
  "peerDependencies": {
  "node-notifier": "^8.0.1 || ^9.0.0 || ^10.0.0"

diff --git a/packages/jest-core/src/SearchSource.ts b/packages/jest-core/src/SearchSource.ts
@@ -7,7 +7,6 @@
 
 import * as os from 'os';
 import * as path from 'path';
-import micromatch from 'micromatch';
 import type {TestPathPatternsExecutor} from '@jest/pattern';
 import type {Test, TestContext} from '@jest/test-result';
 import type {Config} from '@jest/types';
@@ -315,14 +314,10 @@ export default class SearchSource {
  const normalizedPath = normalizePosix(
  path.resolve(this._context.config.cwd, p),
  );
- const match = micromatch(
- allFiles.map(normalizePosix),
- normalizedPath,
- options,
- );
- return match[0];
+ const matcher = globsToMatcher([normalizedPath], options);
+ return allFiles.map(normalizePosix).find(matcher);
  })
- .filter(Boolean)
+ .filter(p => p !== undefined)
  .map(p => path.resolve(p));
  return paths;
  }

diff --git a/packages/jest-haste-map/package.json b/packages/jest-haste-map/package.json
@@ -27,13 +27,13 @@
  "jest-regex-util": "workspace:*",
  "jest-util": "workspace:*",
  "jest-worker": "workspace:*",
- "micromatch": "^4.0.8",
+ "picomatch": "^4.0.3",
  "walker": "^1.0.8"
  },
  "devDependencies": {
  "@types/fb-watchman": "^2.0.5",
  "@types/graceful-fs": "^4.1.9",
- "@types/micromatch": "^4.0.9",
+ "@types/picomatch": "^4.0.0",
  "slash": "^3.0.0"
  },
  "optionalDependencies": {

diff --git a/packages/jest-haste-map/src/watchers/FSEventsWatcher.ts b/packages/jest-haste-map/src/watchers/FSEventsWatcher.ts
@@ -10,9 +10,9 @@ import {EventEmitter} from 'events';
 import * as path from 'path';
 import anymatch, {type Matcher} from 'anymatch';
 import * as fs from 'graceful-fs';
-import micromatch from 'micromatch';
 // @ts-expect-error -- no types
 import walker from 'walker';
+import {globsToMatcher} from 'jest-util';
 
 // eslint-disable-next-line @typescript-eslint/prefer-ts-expect-error, @typescript-eslint/ban-ts-comment
 // @ts-ignore: this is for CI which runs linux and might not have this
@@ -141,8 +141,8 @@ export class FSEventsWatcher extends EventEmitter {
  return false;
  }
  return this.glob.length > 0
- ? micromatch([relativePath], this.glob, {dot: this.dot}).length > 0
- : this.dot || micromatch([relativePath], '**/*').length > 0;
+ ? globsToMatcher(this.glob, {dot: this.dot})(relativePath)
+ : this.dot || globsToMatcher(['**/*'])(relativePath);
  }
 
  private handleEvent(filepath: string) {

diff --git a/packages/jest-haste-map/src/watchers/common.js b/packages/jest-haste-map/src/watchers/common.js
@@ -5,7 +5,7 @@
 const platform = require('os').platform();
 const path = require('path');
 const anymatch = require('anymatch');
-const micromatch = require('micromatch');
+const picomatch = require('picomatch');
 const walker = require('walker');
 
 /**
@@ -61,9 +61,8 @@ exports.isFileIncluded = function (globs, dot, doIgnore, relativePath) {
  return false;
  }
  return globs.length > 0
- ? micromatch.some(relativePath, globs, {dot})
- : // eslint-disable-next-line unicorn/no-array-method-this-argument
- dot || micromatch.some(relativePath, '**/*');
+ ? globs.some(glob => picomatch(glob, {dot})(relativePath))
+ : dot || picomatch('**/*')(relativePath);
 };
 
 /**

diff --git a/packages/jest-message-util/package.json b/packages/jest-message-util/package.json
@@ -27,15 +27,15 @@
  "@types/stack-utils": "^2.0.3",
  "chalk": "^4.1.2",
  "graceful-fs": "^4.2.11",
- "micromatch": "^4.0.8",
+ "picomatch": "^4.0.3",
  "pretty-format": "workspace:*",
  "slash": "^3.0.0",
  "stack-utils": "^2.0.6"
  },
  "devDependencies": {
  "@types/babel__code-frame": "^7.0.6",
  "@types/graceful-fs": "^4.1.9",
- "@types/micromatch": "^4.0.9",
+ "@types/picomatch": "^4.0.0",
  "tempy": "^1.0.1"
  },
  "publishConfig": {

diff --git a/packages/jest-message-util/src/index.ts b/packages/jest-message-util/src/index.ts
@@ -11,7 +11,7 @@ import {types} from 'util';
 import {codeFrameColumns} from '@babel/code-frame';
 import chalk from 'chalk';
 import * as fs from 'graceful-fs';
-import micromatch from 'micromatch';
+import picomatch from 'picomatch';
 import slash from 'slash';
 import StackUtils from 'stack-utils';
 import type {Config, TestResult} from '@jest/types';
@@ -306,7 +306,7 @@ export const formatPath = (
  if (
  (config.testMatch &&
  config.testMatch.length > 0 &&
- micromatch([filePath], config.testMatch).length > 0) ||
+ picomatch(config.testMatch)(filePath)) ||
  filePath === relativeTestPath
  ) {
  filePath = chalk.reset.cyan(filePath);

diff --git a/packages/jest-transform/package.json b/packages/jest-transform/package.json
@@ -30,7 +30,6 @@
  "jest-haste-map": "workspace:*",
  "jest-regex-util": "workspace:*",
  "jest-util": "workspace:*",
- "micromatch": "^4.0.8",
  "pirates": "^4.0.7",
  "slash": "^3.0.0",
  "write-file-atomic": "^5.0.1"
@@ -40,7 +39,6 @@
  "@types/babel__core": "^7.20.5",
  "@types/convert-source-map": "^2.0.3",
  "@types/graceful-fs": "^4.1.9",
- "@types/micromatch": "^4.0.9",
  "@types/write-file-atomic": "^4.0.3",
  "dedent": "^1.6.0"
  },

diff --git a/packages/jest-transform/src/shouldInstrument.ts b/packages/jest-transform/src/shouldInstrument.ts
@@ -6,7 +6,6 @@
  */
 
 import * as path from 'path';
-import micromatch from 'micromatch';
 import type {Config} from '@jest/types';
 import {escapePathForRegex} from 'jest-regex-util';
 import {globsToMatcher, replacePathSepForGlob} from 'jest-util';
@@ -42,7 +41,7 @@ export default function shouldInstrument(
 
  if (
  config.forceCoverageMatch.length > 0 &&
- micromatch.any(filename, config.forceCoverageMatch)
+ globsToMatcher(config.forceCoverageMatch)(filename)
  ) {
  return true;
  }

diff --git a/packages/jest-util/package.json b/packages/jest-util/package.json
@@ -24,12 +24,14 @@
  "chalk": "^4.1.2",
  "ci-info": "^4.2.0",
  "graceful-fs": "^4.2.11",
- "picomatch": "^4.0.2"
+ "picomatch": "^4.0.3"
  },
  "devDependencies": {
  "@types/graceful-fs": "^4.1.9",
+ "@types/micromatch": "^4.0.10",
  "@types/picomatch": "^4.0.0",
- "lodash": "^4.17.19"
+ "lodash": "^4.17.19",
+ "micromatch": "^4.0.8"
  },
  "engines": {
  "node": "^18.14.0 || ^20.0.0 || ^22.0.0 || >=24.0.0"

diff --git a/packages/jest-util/src/globsToMatcher.ts b/packages/jest-util/src/globsToMatcher.ts
@@ -15,8 +15,6 @@ const globsToMatchersMap = new Map<
  {isMatch: Matcher; negated: boolean}
 >();
 
-const picomatchOptions = {dot: true};
-
 /**
  * Converts a list of globs into a function that matches a path against the
  * globs.
@@ -34,7 +32,11 @@ const picomatchOptions = {dot: true};
  * isMatch('pizza.js'); // true
  * isMatch('pizza.test.js'); // false
  */
-export default function globsToMatcher(globs: Array<string>): Matcher {
+export default function globsToMatcher(
+ globs: Array<string>,
+ picomatchOptions?: picomatch.PicomatchOptions,
+): Matcher {
+ const dot = picomatchOptions?.dot ?? true;
  if (globs.length === 0) {
  // Since there were no globs given, we can simply have a fast path here and
  // return with a very simple function.
@@ -43,7 +45,7 @@ export default function globsToMatcher(globs: Array<string>): Matcher {
 
  const matchers = globs.map(glob => {
  if (!globsToMatchersMap.has(glob)) {
- const isMatch = picomatch(glob, picomatchOptions, true);
+ const isMatch = picomatch(glob, {dot, ...picomatchOptions}, true);
 
  const matcher = {
  isMatch,