chore(CI): add tests for ESLint 8

.github/workflows/ci.yml

@@ -7,33 +7,40 @@ on:
 
 jobs:
   ci:
-    name: 'Test: Node ${{ matrix.node-version }} - ESLint ${{ matrix.eslint-version }}'
+    name: 'Test: Node ${{ matrix.node-version }} - ESLint ${{ matrix.eslint-version }} - GraphQL ${{ matrix.test-graphql }}'
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        eslint-version: [7.x, 6.x, 5.x]
-        node-version: [16.x, 14.x, 12.x, 10.x, 8.x, 6.x]
+        eslint-version: ['^8.0.0-0', 7, 6, 5]
+        node-version: [16, 14, 12, 10, 8, 6]
         test-graphql: [true, false]
 
         exclude:
-          # eslint 7 does not support node 6 or 8
-          - eslint-version: 7.x
-            node-version: 8.x
-          - eslint-version: 7.x
-            node-version: 6.x
-          # eslint 6 does not support node 6
-          # the version of chalk used in eslint 6 does not support node 8
-          - eslint-version: 6.x
-            node-version: 8.x
-          - eslint-version: 6.x
-            node-version: 6.x
-          # @graphql-eslint/eslint-plugin does not support node 6 or 8 or 10
+          # ESLint 8 does not support node 6, 8 or 10
+          - eslint-version: '^8.0.0-0'
+            node-version: 10
+          - eslint-version: '^8.0.0-0'
+            node-version: 8
+          - eslint-version: '^8.0.0-0'
+            node-version: 6
+          # ESLint 7 does not support node 6 or 8
+          - eslint-version: 7
+            node-version: 8
+          - eslint-version: 7
+            node-version: 6
+          # ESLint 6 does not support node 6
+          # the version of chalk used in ESLint 6 does not support node 8
+          - eslint-version: 6
+            node-version: 8
+          - eslint-version: 6
+            node-version: 6
+          # @graphql-eslint/eslint-plugin does not support node 6, 8 or 10
           - test-graphql: true
-            node-version: 10.x
+            node-version: 10
           - test-graphql: true
-            node-version: 8.x
+            node-version: 8
           - test-graphql: true
-            node-version: 6.x
+            node-version: 6
 
     steps:
       - uses: actions/checkout@v2

package.json

@@ -36,15 +36,15 @@
   },
   "devDependencies": {
     "@not-an-aardvark/node-release-script": "^0.1.0",
-    "eslint": "^7.0.0",
+    "eslint": "^8.0.0-0",
     "eslint-config-not-an-aardvark": "^2.1.0",
-    "eslint-config-prettier": "^6.0.0",
-    "eslint-plugin-eslint-plugin": "^2.0.0",
-    "eslint-plugin-node": "^8.0.0",
-    "eslint-plugin-self": "^1.1.0",
-    "mocha": "^6.0.0",
-    "prettier": "^1.15.3",
-    "vue-eslint-parser": "^6.0.0"
+    "eslint-config-prettier": "^6.15.0",
+    "eslint-plugin-eslint-plugin": "^2.3.0",
+    "eslint-plugin-node": "^8.0.1",
+    "eslint-plugin-self": "^1.2.1",
+    "mocha": "^6.2.3",
+    "prettier": "^1.19.1",
+    "vue-eslint-parser": "^6.0.5"
   },
   "peerDependenciesMeta": {
     "eslint-config-prettier": {