Drop support for Node.js v12 (#1847)

* Drop support for Node.js v12

* Use ecmaVersion: 'latest'

Author: ota-meshi

.circleci/config.yml

@@ -5,7 +5,6 @@ workflows:
       - eslint-v6
       - eslint-v7
       - ts-eslint-v4
-      - node-v12
       - node-v14
       - node-v16
       - lint
@@ -36,7 +35,7 @@ jobs:
 
   eslint-v6:
     docker:
-      - image: node:12
+      - image: node:14
     steps:
       - run:
           name: Versions
@@ -88,10 +87,6 @@ jobs:
       - run:
           name: Test
           command: npm test
-  node-v12:
-    <<: *node-base
-    docker:
-      - image: node:12
   node-v14:
     <<: *node-base
     docker:

.eslintrc.js

@@ -3,7 +3,7 @@
 module.exports = {
   root: true,
   parserOptions: {
-    ecmaVersion: 2018
+    ecmaVersion: 'latest'
   },
   env: {
     es6: true,
@@ -137,7 +137,7 @@ module.exports = {
       files: ['./**/*.vue'],
       parser: require.resolve('vue-eslint-parser'),
       parserOptions: {
-        ecmaVersion: 2020,
+        ecmaVersion: 'latest',
         sourceType: 'module'
       }
     },

docs/.vuepress/components/eslint-code-block.vue

@@ -90,7 +90,7 @@ export default {
         rules: this.rules,
         parser: 'vue-eslint-parser',
         parserOptions: {
-          ecmaVersion: 2020,
+          ecmaVersion: 'latest',
           sourceType: 'module',
           ecmaFeatures: {
             jsx: true

docs/user-guide/README.md

@@ -23,7 +23,7 @@ yarn add -D eslint eslint-plugin-vue
 ::: tip Requirements
 
 - ESLint v6.2.0 and above
-- Node.js v12.22.x, v14.17.x, v16.x and above
+- Node.js v14.17.x, v16.x and above
 
 :::
 

package.json

@@ -48,7 +48,7 @@
     "url": "https://github.com/vuejs/eslint-plugin-vue/issues"
   },
   "engines": {
-    "node": "^12.22.0 || ^14.17.0 || >=16.0.0"
+    "node": "^14.17.0 || >=16.0.0"
   },
   "peerDependencies": {
     "eslint": "^6.2.0 || ^7.0.0 || ^8.0.0"