Drop support old eslint and node

Author: ota-meshi

.circleci/config.yml

@@ -2,126 +2,13 @@ workflows:
   version: 2
   node-multi-build:
     jobs:
-      - eslint-v6
-      - eslint-v7
-      - ts-eslint-v4
-      - node-v14
-      - node-v16
       - lint
 
 version: 2
 jobs:
-  node-base: &node-base
-    docker:
-      - image: node
-    steps:
-      - run:
-          name: Versions
-          command: npm version
-      - checkout
-      # - restore_cache:
-      #     keys:
-      #       - v2-npm-lock-{{ .Branch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "package.json" }}
-      - run:
-          name: Install dependencies
-          command: npm install --legacy-peer-deps
-      - run:
-          name: Test
-          command: npm test
-      # - save_cache:
-      #     key: v2-npm-lock-{{ .Branch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "package.json" }}
-      #     paths:
-      #       - node_modules
-
-  eslint-v6:
-    docker:
-      - image: node:14
-    steps:
-      - run:
-          name: Versions
-          command: npm version
-      - checkout
-      - run:
-          name: Uninstall @stylistic/eslint-plugin
-          command: npm uninstall -D @stylistic/eslint-plugin
-      - run:
-          name: Install eslint@6
-          command: |
-            npm install --save-exact [email protected] @typescript-eslint/parser@5
-      - run:
-          name: Install dependencies
-          command: npm install
-      - run:
-          name: Test
-          command: npm test
-  eslint-v7:
-    docker:
-      - image: node:14
-    steps:
-      - run:
-          name: Versions
-          command: npm version
-      - checkout
-      - run:
-          name: Uninstall @stylistic/eslint-plugin
-          command: npm uninstall -D @stylistic/eslint-plugin
-      - run:
-          name: Install eslint@7
-          command: |
-            npm install eslint@7 @typescript-eslint/parser@5
-      - run:
-          name: Install dependencies
-          command: npm install
-      - run:
-          name: Test
-          command: npm test
-  ts-eslint-v4:
-    docker:
-      - image: node:14
-    steps:
-      - run:
-          name: Versions
-          command: npm version
-      - checkout
-      - run:
-          name: Uninstall @stylistic/eslint-plugin
-          command: npm uninstall -D @stylistic/eslint-plugin
-      - run:
-          name: Install @typescript-eslint/parser@4 eslint@7 [email protected]
-          command: |
-            npm install @typescript-eslint/parser@4 eslint@7 [email protected] --save-exact
-      - run:
-          name: Install dependencies
-          command: npm install
-      - run:
-          name: Test
-          command: npm test
-  node-v14:
-    docker:
-      - image: node:14
-    steps:
-      - run:
-          name: Versions
-          command: npm version
-      - checkout
-      - run:
-          name: Install @typescript-eslint/parser@5
-          command: |
-            npm install @typescript-eslint/parser@5 --save-exact
-      - run:
-          name: Install dependencies
-          command: npm install
-      - run:
-          name: Test
-          command: npm test
-  node-v16:
-    <<: *node-base
-    docker:
-      - image: node:16
-
   lint:
     docker:
-      - image: node:16
+      - image: node:latest
     steps:
       - run:
           name: Versions
@@ -132,7 +19,7 @@ jobs:
             - v2-npm-lock-{{ .Branch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "package.json" }}
       - run:
           name: Install dependencies
-          command: npm install
+          command: npm install -f
       - save_cache:
           key: v2-npm-lock-{{ .Branch }}-{{ .Environment.CIRCLE_JOB }}-{{ checksum "package.json" }}
           paths:

.github/workflows/CI.yml

@@ -30,11 +30,11 @@ jobs:
     name: Test
     strategy:
       matrix:
-        node: [18, 20]
-        eslint: [8, 9]
+        node: [18, 20, 21]
+        eslint: [9]
         include:
-          # On old Node version
-          - node: 17
+          # On old ESLint version
+          - node: 18
             eslint: 8
 
     runs-on: ubuntu-latest
@@ -46,42 +46,23 @@ jobs:
         with:
           node-version: ${{ matrix.node }}
       - name: Install Packages
-        run: npm install --legacy-peer-deps
+        run: npm install -f
       - name: Install ESLint v${{ matrix.eslint }}
-        run: npm install --save-dev eslint@${{ matrix.eslint }} --legacy-peer-deps
-      - name: Test
-        run: npm test
-
-  test-for-ts-eslint-v5:
-    name: Test
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Install Node.js
-        uses: actions/setup-node@v3
-        with:
-          node-version: 18
-      - name: Install Packages
-        run: npm install --legacy-peer-deps
-      - name: Install typescript-eslint v5
-        run: npm install -D @typescript-eslint/parser
+        run: npm install --save-dev eslint@${{ matrix.eslint }} -f
       - name: Test
         run: npm test
 
-  test-for-eslint-v8-without-eslint-stylistic:
-    name: Test
+  test-without-eslint-stylistic:
+    name: Test without ESLint Stylistic
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v3
       - name: Install Node.js
         uses: actions/setup-node@v3
       - name: Install Packages
-        run: npm install --legacy-peer-deps
+        run: npm install -f
       - name: Uninstall @stylistic/eslint-plugin
         run: npm uninstall -D @stylistic/eslint-plugin
-      - name: Install eslint v8
-        run: npm install -D eslint@8
       - name: Test
         run: npm test

docs/user-guide/index.md

@@ -16,8 +16,8 @@ yarn add -D eslint eslint-plugin-vue
 
 ::: tip Requirements
 
-- ESLint v6.2.0 and above
-- Node.js v14.17.x, v16.x and above
+- ESLint: `^8.57.0 || ^9.0.0`
+- Node.js: `^18.18.0 || ^20.9.0 || >=21.1.0`
 
 :::
 

package.json

@@ -51,10 +51,10 @@
     "url": "https://github.com/vuejs/eslint-plugin-vue/issues"
   },
   "engines": {
-    "node": "^14.17.0 || >=16.0.0"
+    "node": "^18.18.0 || ^20.9.0 || >=21.1.0"
   },
   "peerDependencies": {
-    "eslint": "^6.2.0 || ^7.0.0 || ^8.0.0 || ^9.0.0"
+    "eslint": "^8.57.0 || ^9.0.0"
   },
   "dependencies": {
     "@eslint-community/eslint-utils": "^4.4.0",