chore(ci/lint): add eslint (#7)

.eslintrc.json

@@ -0,0 +1,18 @@
+{
+  "$schema": "https://json.schemastore.org/eslintrc.json",
+  "env": {
+    "es2021": true,
+    "node": true
+  },
+  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
+  "parserOptions": {
+    "ecmaVersion": "latest",
+    "sourceType": "module"
+  },
+  "rules": {
+    "no-console": "error",
+    "@typescript-eslint/semi": "off",
+    "@typescript-eslint/no-explicit-any": "off"
+  },
+  "ignorePatterns": ["dist"]
+}

.github/workflows/ci.yml

@@ -2,10 +2,12 @@ name: CI
 
 on:
   push:
+    branches:
+      - canary
   pull_request:
 
 concurrency:
-  group: ${{ github.workflow }}-${{ github.event.number || github.sha }}
+  group: '${{ github.workflow }}-${{ github.event.number || github.sha }}'
   cancel-in-progress: true
 
 jobs:
@@ -38,17 +40,22 @@ jobs:
 
       - run: pnpm install --frozen-lockfile
       - run: pnpm check
+      - run: pnpm lint
 
   test:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [16, 18, 20]
+    name: Node ${{ matrix.node-version }}
     steps:
       - uses: actions/checkout@v3
       - uses: pnpm/action-setup@v2
         with:
           version: 8
       - uses: actions/setup-node@v3
         with:
-          node-version: 18
+          node-version: ${{ matrix.node-version }}
           cache: 'pnpm'
 
       - run: pnpm install --frozen-lockfile

package.json

@@ -28,6 +28,8 @@
     "dev": "tsup --watch",
     "build": "tsup",
     "check": "tsc --noEmit",
+    "lint": "eslint .",
+    "lint:fix": "eslint --fix .",
     "format:check": "prettier --check .",
     "format": "prettier --write .",
     "test": "mocha \"**/*.test.ts\"",
@@ -38,7 +40,9 @@
     "@types/chai": "^4.3.14",
     "@types/mocha": "^10.0.6",
     "@types/node": "^20.12.7",
+    "@typescript-eslint/eslint-plugin": "^7.7.1",
     "chai": "^5.1.0",
+    "eslint": "^8.57.0",
     "mocha": "^10.4.0",
     "prettier": "^3.2.5",
     "tsup": "^8.0.2",