chore(CI): add tests for ESLint 8

.gitattributes

@@ -0,0 +1 @@
+* text=auto eol=lf

.github/workflows/validate.yml

@@ -0,0 +1,55 @@
+name: validate
+
+on:
+  push: {}
+  pull_request: {}
+
+jobs:
+  main:
+    strategy:
+      matrix:
+        eslint: [5, 6, 7, 8]
+        node: [6.14, 6, 8, 10, 12, 14, 16]
+        exclude:
+          - eslint: 8
+            node: 10
+          - eslint: 8
+            node: 8
+          - eslint: 8
+            node: 6
+          - eslint: 8
+            node: 6.14
+          - eslint: 7
+            node: 8
+          - eslint: 7
+            node: 6
+          - eslint: 7
+            node: 6.14
+          - eslint: 6
+            node: 6
+          - eslint: 6
+            node: 6.14
+
+    runs-on: ubuntu-latest
+    steps:
+      - name: 🛑 Cancel Previous Runs
+        uses: styfle/cancel-workflow-action@0.9.0
+
+      - name: ⬇️ Checkout repo
+        uses: actions/checkout@v2
+
+      - name: ⎔ Setup node
+        uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node }}
+
+      - name: 📥 Download deps
+        uses: bahmutov/npm-install@v1
+        with:
+          useLockFile: false
+
+      - name: 📥 Install ESLint
+        run: npm install eslint@${{ matrix.eslint }}
+
+      - name: ▶️ Run tests
+        run: npm run test

.gitignore

@@ -0,0 +1,7 @@
+node_modules
+.DS_Store
+
+# these cause more harm than good
+# when working with contributors
+package-lock.json
+yarn.lock

package.json

@@ -1,6 +1,6 @@
 {
   "name": "eslint-plugin-standard",
-  "description": "ESlint Plugin for the Standard Linter",
+  "description": "ESLint Plugin for the Standard Linter",
   "version": "5.0.0",
   "author": {
     "name": "Feross Aboukhadijeh",
@@ -10,12 +10,6 @@
   "bugs": {
     "url": "https://github.com/standard/eslint-plugin-standard/issues"
   },
-  "dependencies": {},
-  "devDependencies": {
-    "eslint": "^7.0.0",
-    "mocha": "^6.2.0",
-    "standard": "*"
-  },
   "homepage": "https://github.com/standard/eslint-plugin-standard#readme",
   "keywords": [
     "eslint",
@@ -30,9 +24,18 @@
   "scripts": {
     "test": "standard && mocha tests/"
   },
+  "dependencies": {},
+  "devDependencies": {
+    "eslint": "^8.0.0",
+    "mocha": "^6.2.3",
+    "standard": "*"
+  },
   "peerDependencies": {
     "eslint": ">=5.0.0"
   },
+  "engines": {
+    "node": ">=6.14.0"
+  },
   "funding": [
     {
       "type": "github",