feat: support ESLint 8.x

BREAKING CHANGE: Requires Node@^12.22.0 || ^14.17.0 || >=16.0.0

Author: MichaelDeBoey

.github/workflows/validate.yml

@@ -2,21 +2,22 @@ name: validate
 on:
   push:
     branches:
-      - '+([0-9])?(.{+([0-9]),x}).x'
-      - 'main'
-      - 'next'
-      - 'next-major'
-      - 'beta'
-      - 'alpha'
-      - '!all-contributors/**'
+      - "+([0-9])?(.{+([0-9]),x}).x"
+      - "main"
+      - "next"
+      - "next-major"
+      - "beta"
+      - "alpha"
+      - "!all-contributors/**"
   pull_request: {}
 jobs:
   main:
     # ignore all-contributors PRs
     if: ${{ !contains(github.head_ref, 'all-contributors') }}
     strategy:
       matrix:
-        node: [12, 14, 16]
+        node: [12.22, 12, 14.7, 14, "16.0", 16]
+        eslint: ["6.8", 6, "7.0", 7, 8]
     runs-on: ubuntu-latest
     steps:
       - name: 🛑 Cancel Previous Runs
@@ -35,6 +36,9 @@ jobs:
         with:
           useLockFile: false
 
+      - name: Install ESLint v${{ matrix.eslint }}
+        run: npm install eslint@${{ matrix.eslint }}
+
       - name: ▶️ Run validate script
         run: npm run validate
 
@@ -44,8 +48,7 @@ jobs:
   release:
     needs: main
     runs-on: ubuntu-latest
-    if:
-      ${{ github.repository == 'testing-library/eslint-plugin-jest-dom' &&
+    if: ${{ github.repository == 'testing-library/eslint-plugin-jest-dom' &&
       contains('refs/heads/main,refs/heads/beta,refs/heads/next,refs/heads/alpha',
       github.ref) && github.event_name == 'push' }}
     steps:
@@ -73,7 +76,7 @@ jobs:
       - name: 🚀 Release
         uses: cycjimmy/semantic-release-action@v2
         with:
-          semantic_version: 17
+          semantic_version: 18
           branches: |
             [
               '+([0-9])?(.{+([0-9]),x}).x',

package.json

@@ -40,20 +40,19 @@
     "validate": "kcd-scripts validate"
   },
   "dependencies": {
-    "@babel/runtime": "^7.15.4",
-    "@testing-library/dom": "^7.31.2",
+    "@babel/runtime": "^7.16.3",
+    "@testing-library/dom": "^8.11.1",
     "requireindex": "^1.2.0"
   },
   "devDependencies": {
-    "@typescript-eslint/parser": "^4.31.1",
-    "eslint": "^7.31.0",
+    "@typescript-eslint/parser": "^5.4.0",
+    "eslint": "^7.32.0",
     "eslint-remote-tester": "^1.3.1",
-    "jest-extended": "^0.11.5",
     "kcd-scripts": "^11.2.2",
-    "typescript": "^4.4.3"
+    "typescript": "^4.5.2"
   },
   "peerDependencies": {
-    "eslint": ">=6.8"
+    "eslint": "^6.8.0 || ^7.0.0 || ^8.0.0"
   },
   "eslintConfig": {
     "extends": "./node_modules/kcd-scripts/eslint.js",
@@ -72,7 +71,7 @@
     "eslint-remote-tester-results"
   ],
   "engines": {
-    "node": "^10.12.0 || >=12.0.0",
+    "node": "^12.22.0 || ^14.17.0 || >=16.0.0",
     "npm": ">=6",
     "yarn": ">=1"
   }

src/__tests__/index.test.js

@@ -1,5 +1,4 @@
-import { rules, generateRecommendedConfig } from "../index";
-import "jest-extended";
+import { rules, generateRecommendedConfig } from "../";
 
 it("should have all the rules", () => {
   expect(Object.keys(rules).length).toBeGreaterThan(0);
@@ -8,9 +7,9 @@ it("should have all the rules", () => {
 it.each(Object.keys(rules))("%s should export required fields", (ruleName) => {
   const rule = rules[ruleName];
   expect(rule).toHaveProperty("create", expect.any(Function));
-  expect(rule.meta.docs.url).not.toBeEmpty();
+  expect(rule.meta.docs.url).not.toBe("");
   expect(rule.meta.docs.category).toBe("Best Practices");
-  expect(rule.meta.docs.description).not.toBeEmpty();
+  expect(rule.meta.docs.description).not.toBe("");
 });
 
 it("should have a recommended config with recommended rules", () => {