Next major

.eslintrc.js

@@ -98,7 +98,7 @@ module.exports = {
       globals,
     },
     {
-      files: ['src/**/*', 'dangerfile.ts', 'tools/*'],
+      files: ['src/**/*', 'dangerfile.ts', 'tools/*', './jest.config.ts'],
       parserOptions: {
         sourceType: 'module',
       },

.github/workflows/nodejs.yml

@@ -71,19 +71,16 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [14.x, 16.x, 18.x, 19.x, 20.x, 21.x]
-        eslint-version: [7, 8]
-        ts-eslint-plugin-version: [5, 6, 7]
+        node-version: [16.x, 18.x, 19.x, 20.x, 21.x]
+        eslint-version: [7, 8, next]
+        ts-eslint-plugin-version: [6, 7]
         exclude:
-          # ts-eslint/plugin@6 doesn't support node@14
-          - node-version: 14.x
-            ts-eslint-plugin-version: 6
-          # ts-eslint/plugin@7 doesn't support node@14
-          - node-version: 14.x
-            ts-eslint-plugin-version: 7
           # ts-eslint/plugin@7 doesn't support node@16
           - node-version: 16.x
             ts-eslint-plugin-version: 7
+          # eslint@9 doesn't support node@16
+          - node-version: 16.x
+            eslint-version: next
           # ts-eslint/plugin@7 doesn't support node@19
           - node-version: 19.x
             ts-eslint-plugin-version: 7
@@ -109,7 +106,7 @@ jobs:
           yarn add --dev eslint@${{ matrix.eslint-version }} @typescript-eslint/eslint-plugin@${{ matrix.ts-eslint-plugin-version }} @typescript-eslint/parser@${{ matrix.ts-eslint-plugin-version }}
       - name: run tests
         # only collect coverage on eslint versions that support dynamic import
-        run: yarn test --coverage ${{ matrix.eslint-version >= 8 }}
+        run: yarn test --coverage ${{ matrix.eslint-version == 8 }}
         env:
           CI: true
       - uses: codecov/codecov-action@v3

CHANGELOG.md

@@ -1,3 +1,65 @@
+# [28.0.0-next.6](https://github.com/jest-community/eslint-plugin-jest/compare/v28.0.0-next.5...v28.0.0-next.6) (2024-03-29)
+
+
+### Bug Fixes
+
+* **no-large-snapshots:** avoid `instanceof RegExp` check for ESLint v9 compatibility ([#1542](https://github.com/jest-community/eslint-plugin-jest/issues/1542)) ([af4a9c9](https://github.com/jest-community/eslint-plugin-jest/commit/af4a9c94d624b5db4643c994f5bec96b0cb889b8))
+
+# [28.0.0-next.5](https://github.com/jest-community/eslint-plugin-jest/compare/v28.0.0-next.4...v28.0.0-next.5) (2024-03-27)
+
+
+### Features
+
+* remove `snapshot` processor and `flat/snapshot` config ([#1532](https://github.com/jest-community/eslint-plugin-jest/issues/1532)) ([98087f9](https://github.com/jest-community/eslint-plugin-jest/commit/98087f9bb27082f9fbda59a56c65536fb9d8a0dc))
+
+
+### BREAKING CHANGES
+
+* removed unneeded `snapshot` processor and `flat/snapshot` config
+
+# [28.0.0-next.4](https://github.com/jest-community/eslint-plugin-jest/compare/v28.0.0-next.3...v28.0.0-next.4) (2024-03-23)
+
+
+### Features
+
+* drop support for `@typescript-eslint/eslint-plugin` v5 ([#1530](https://github.com/jest-community/eslint-plugin-jest/issues/1530)) ([150e355](https://github.com/jest-community/eslint-plugin-jest/commit/150e3558a637b49ddd76d362f88332b30f78dc5c))
+
+
+### BREAKING CHANGES
+
+* dropped support for `@typescript-eslint/eslint-plugin` v5
+
+# [28.0.0-next.3](https://github.com/jest-community/eslint-plugin-jest/compare/v28.0.0-next.2...v28.0.0-next.3) (2024-03-22)
+
+
+### Features
+
+* upgrade `@typescript-eslint/utils` to v6 ([#1508](https://github.com/jest-community/eslint-plugin-jest/issues/1508)) ([dc6e8cd](https://github.com/jest-community/eslint-plugin-jest/commit/dc6e8cd249817de585b50e473c2146e1542dd146))
+
+# [28.0.0-next.2](https://github.com/jest-community/eslint-plugin-jest/compare/v28.0.0-next.1...v28.0.0-next.2) (2024-03-21)
+
+
+### Features
+
+* drop support for Node v14 ([#1527](https://github.com/jest-community/eslint-plugin-jest/issues/1527)) ([df5e580](https://github.com/jest-community/eslint-plugin-jest/commit/df5e58081d1bd15fbed8bd22f6c03d5f350d73b6))
+
+
+### BREAKING CHANGES
+
+* dropped support for Node v14
+
+# [28.0.0-next.1](https://github.com/jest-community/eslint-plugin-jest/compare/v27.9.0...v28.0.0-next.1) (2024-03-21)
+
+
+### Features
+
+* remove `no-if` rule ([#1528](https://github.com/jest-community/eslint-plugin-jest/issues/1528)) ([f976fc8](https://github.com/jest-community/eslint-plugin-jest/commit/f976fc8c71fc5e9f55cd5ae09092f15ee277fd2c))
+
+
+### BREAKING CHANGES
+
+* removed `no-if` in favor of `no-conditional-in-test`
+
 # [27.9.0](https://github.com/jest-community/eslint-plugin-jest/compare/v27.8.0...v27.9.0) (2024-02-16)
 
 

jest.config.ts

@@ -0,0 +1,58 @@
+import { version as typescriptESLintPluginVersion } from '@typescript-eslint/eslint-plugin/package.json';
+import { version as eslintVersion } from 'eslint/package.json';
+import type { Config } from 'jest';
+import * as semver from 'semver';
+
+const config = {
+  clearMocks: true,
+  restoreMocks: true,
+  resetMocks: true,
+
+  coverageThreshold: {
+    global: {
+      branches: 100,
+      functions: 100,
+      lines: 100,
+      statements: 100,
+    },
+  },
+
+  projects: [
+    {
+      displayName: 'test',
+      testPathIgnorePatterns: [
+        '<rootDir>/lib/.*',
+        '<rootDir>/src/rules/__tests__/fixtures/*',
+        '<rootDir>/src/rules/__tests__/test-utils.ts',
+      ],
+      coveragePathIgnorePatterns: ['/node_modules/'],
+    },
+    {
+      displayName: 'lint',
+      runner: 'jest-runner-eslint',
+      testMatch: ['<rootDir>/**/*.{js,ts}'],
+      testPathIgnorePatterns: ['<rootDir>/lib/.*'],
+      coveragePathIgnorePatterns: ['/node_modules/'],
+    },
+  ],
+} satisfies Config;
+
+if (semver.major(eslintVersion) >= 9) {
+  config.projects = config.projects.filter(
+    ({ displayName }) => displayName !== 'lint',
+  );
+
+  // jest/unbound-method doesn't work when using @typescript-eslint v6
+  if (semver.major(typescriptESLintPluginVersion) === 6) {
+    for (const project of config.projects) {
+      project.testPathIgnorePatterns.push(
+        '<rootDir>/src/rules/__tests__/unbound-method.test.ts',
+      );
+      project.coveragePathIgnorePatterns.push(
+        '<rootDir>/src/rules/unbound-method.ts',
+      );
+    }
+  }
+}
+
+export default config;

package.json

@@ -1,6 +1,6 @@
 {
   "name": "eslint-plugin-jest",
-  "version": "27.9.0",
+  "version": "28.0.0-next.6",
   "description": "ESLint rules for Jest",
   "keywords": [
     "eslint",
@@ -64,38 +64,8 @@
       "@semantic-release/github"
     ]
   },
-  "jest": {
-    "coverageThreshold": {
-      "global": {
-        "branches": 100,
-        "functions": 100,
-        "lines": 100,
-        "statements": 100
-      }
-    },
-    "projects": [
-      {
-        "displayName": "test",
-        "testPathIgnorePatterns": [
-          "<rootDir>/lib/.*",
-          "<rootDir>/src/rules/__tests__/fixtures/*",
-          "<rootDir>/src/rules/__tests__/test-utils.ts"
-        ]
-      },
-      {
-        "displayName": "lint",
-        "runner": "jest-runner-eslint",
-        "testMatch": [
-          "<rootDir>/**/*.{js,ts}"
-        ],
-        "testPathIgnorePatterns": [
-          "<rootDir>/lib/.*"
-        ]
-      }
-    ]
-  },
   "dependencies": {
-    "@typescript-eslint/utils": "^5.10.0"
+    "@typescript-eslint/utils": "^6.0.0"
   },
   "devDependencies": {
     "@babel/cli": "^7.4.4",
@@ -107,12 +77,12 @@
     "@schemastore/package": "^0.0.10",
     "@semantic-release/changelog": "^6.0.0",
     "@semantic-release/git": "^10.0.0",
-    "@tsconfig/node14": "^14.1.0",
+    "@tsconfig/node16": "^16.0.0",
     "@types/eslint": "^8.4.6",
     "@types/jest": "^29.0.0",
     "@types/node": "^14.18.26",
-    "@typescript-eslint/eslint-plugin": "^5.0.0",
-    "@typescript-eslint/parser": "^5.0.0",
+    "@typescript-eslint/eslint-plugin": "^6.0.0",
+    "@typescript-eslint/parser": "^6.0.0",
     "babel-jest": "^29.0.0",
     "babel-plugin-replace-ts-export-assignment": "^0.0.2",
     "dedent": "^1.5.0",
@@ -142,7 +112,7 @@
     "typescript": "^5.0.4"
   },
   "peerDependencies": {
-    "@typescript-eslint/eslint-plugin": "^5.0.0 || ^6.0.0 || ^7.0.0",
+    "@typescript-eslint/eslint-plugin": "^6.0.0 || ^7.0.0",
     "eslint": "^7.0.0 || ^8.0.0",
     "jest": "*"
   },
@@ -156,7 +126,7 @@
   },
   "packageManager": "yarn@3.8.1",
   "engines": {
-    "node": "^14.15.0 || ^16.10.0 || >=18.0.0"
+    "node": "^16.10.0 || >=18.0.0"
   },
   "publishConfig": {
     "provenance": true

src/__tests__/__snapshots__/rules.test.ts.snap

@@ -193,20 +193,6 @@ exports[`rules should export configs that refer to actual rules 1`] = `
       "jest/valid-title": "error",
     },
   },
-  "flat/snapshots": {
-    "files": [
-      "**/*.snap",
-    ],
-    "plugins": {
-      "jest": ObjectContaining {
-        "meta": {
-          "name": "eslint-plugin-jest",
-          "version": Any<String>,
-        },
-      },
-    },
-    "processor": "jest/snapshots",
-  },
   "flat/style": {
     "languageOptions": {
       "globals": {

src/__tests__/rules.test.ts

@@ -2,7 +2,7 @@ import { existsSync } from 'fs';
 import { resolve } from 'path';
 import plugin from '../';
 
-const numberOfRules = 53;
+const numberOfRules = 52;
 const ruleNames = Object.keys(plugin.rules);
 const deprecatedRules = Object.entries(plugin.rules)
   .filter(([, rule]) => rule.meta.deprecated)
@@ -61,7 +61,6 @@ describe('rules', () => {
       'flat/recommended': { plugins: { jest: expectJestPlugin } },
       'flat/style': { plugins: { jest: expectJestPlugin } },
       'flat/all': { plugins: { jest: expectJestPlugin } },
-      'flat/snapshots': { plugins: { jest: expectJestPlugin } },
     });
     expect(Object.keys(recommendedConfigs)).toEqual([
       'all',
@@ -70,20 +69,16 @@ describe('rules', () => {
       'flat/all',
       'flat/recommended',
       'flat/style',
-      'flat/snapshots',
     ]);
     expect(Object.keys(recommendedConfigs.all.rules)).toHaveLength(
       ruleNames.length - deprecatedRules.length,
     );
     expect(Object.keys(recommendedConfigs['flat/all'].rules)).toHaveLength(
       ruleNames.length - deprecatedRules.length,
     );
-    const allConfigRules = Object.values(recommendedConfigs)
-      .map(config => Object.keys(config.rules ?? {}))
-      .reduce((previousValue, currentValue) => [
-        ...previousValue,
-        ...currentValue,
-      ]);
+    const allConfigRules = Object.values(recommendedConfigs).flatMap(config =>
+      Object.keys(config.rules ?? {}),
+    );
 
     allConfigRules.forEach(rule => {
       const ruleNamePrefix = 'jest/';