feat: support ESLint 8.x (#69)

Author: KKoukiou

package.json

@@ -11,9 +11,9 @@
     "url": "https://github.com/feross/eslint-config-standard-react/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/feross/eslint-config-standard-react",
   "keywords": [
@@ -47,8 +47,8 @@
   "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

@@ -1,16 +1,17 @@
-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({
-    useEslintrc: false,
-    configFile: 'eslintrc.json'
+test('load config in eslint to validate all rule syntax is correct', async t => {
+  const cli = new ESLint({
+      useEslintrc: false,
+      overrideConfigFile: 'eslintrc.json'
   })
 
+
   const code = 'var foo = 1\nvar bar = function () {}\nbar(foo)\n'
+  const result = await cli.lintText(code)
 
-  t.equal(cli.executeOnText(code).errorCount, 0)
+  t.equal(result.length, 1, 'Should return a single result item')
+  t.equal(result[0].errorCount, 0, 'The result item should show no errors')
   t.end()
 })