feat: support ESLint 8.x (#41)

* feat: support ESLint 8.x

* Sync with `eslint-config-standard`

Co-authored-by: Pelle Wessman <pelle@kodfabrik.se>

.github/workflows/validate.yml

@@ -0,0 +1,39 @@
+name: validate
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  main:
+    strategy:
+      matrix:
+        eslint: [7.12.1, 7, 8.0.0, 8]
+        node: [12.22.0, 12, 14.17.0, 14, 16.0.0, 16]
+    runs-on: ubuntu-latest
+    steps:
+      - name: 🛑 Cancel Previous Runs
+        uses: styfle/cancel-workflow-action@0.9.1
+
+      - name: ⬇️ Checkout repo
+        uses: actions/checkout@v2
+
+      - name: ⎔ Setup node
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node }}
+
+      - name: 📥 Download deps
+        uses: bahmutov/npm-install@v1
+        with:
+          useLockFile: false
+
+      - name: Install ESLint v${{ matrix.eslint }}
+        run: npm install --no-save --force eslint@${{ matrix.eslint }}
+
+      - name: ▶️ Run tests
+        run: npm test

.gitignore

@@ -1 +1 @@
-node_modules/
+node_modules

.npmrc

@@ -0,0 +1 @@
+package-lock=false

package.json

@@ -11,9 +11,9 @@
     "url": "https://github.com/standard/eslint-config-standard-jsx/issues"
   },
   "devDependencies": {
-    "eslint": "^7.12.1",
-    "eslint-plugin-react": "^7.21.5",
-    "tape": "^5.0.1"
+    "eslint": "^8.8.0",
+    "eslint-plugin-react": "^7.28.0",
+    "tape": "^5.5.0"
   },
   "homepage": "https://github.com/standard/eslint-config-standard-jsx",
   "keywords": [
@@ -46,8 +46,8 @@
   "license": "MIT",
   "main": "index.js",
   "peerDependencies": {
-    "eslint": "^7.12.1",
-    "eslint-plugin-react": "^7.21.5"
+    "eslint": "^8.8.0",
+    "eslint-plugin-react": "^7.28.0"
   },
   "repository": {
     "type": "git",

test/validate-config.js

@@ -1,26 +1,22 @@
-const eslint = require('eslint')
+const { ESLint } = require('eslint')
 const test = require('tape')
 
 test('load config in eslint to validate all rule syntax is correct', function (t) {
-  const CLIEngine = eslint.CLIEngine
-
-  const cli = new CLIEngine({
+  const cli = new ESLint({
     useEslintrc: false,
-    configFile: 'eslintrc.json'
+    overrideConfigFile: 'eslintrc.json'
   })
 
   const code = 'var foo = 1\nvar bar = function () {}\nbar(foo)\n'
 
-  t.equal(cli.executeOnText(code).errorCount, 0)
+  t.equal(cli.lintText(code).errorCount, 0)
   t.end()
 })
 
 test('space before an opening tag\'s closing bracket should not be allowed', t => {
-  const CLIEngine = eslint.CLIEngine
-
-  const cli = new CLIEngine({
+  const cli = new ESLint({
     useEslintrc: false,
-    configFile: 'eslintrc.json'
+    overrideConfigFile: 'eslintrc.json'
   })
 
   const shouldPass = {
@@ -59,12 +55,12 @@ test('space before an opening tag\'s closing bracket should not be allowed', t =
   t.plan(testPlansCount)
 
   for (const testCase in shouldPass) {
-    const { errorCount } = cli.executeOnText(shouldPass[testCase])
+    const { errorCount } = cli.lintText(shouldPass[testCase])
     t.equal(errorCount, 0)
   }
 
   for (const testCase in shouldFail) {
-    const { errorCount } = cli.executeOnText(shouldFail[testCase])
+    const { errorCount } = cli.lintText(shouldFail[testCase])
     t.true(errorCount > 0)
   }
 })