fix: update linter and github CI

.eslintrc.js

@@ -0,0 +1,33 @@
+require('@uniswap/eslint-config/load')
+
+module.exports = {
+  extends: ['@uniswap/eslint-config/node'],
+  rules: {
+    'import/no-unused-modules': 'off',
+    '@typescript-eslint/no-restricted-imports': 'off',
+    '@typescript-eslint/no-unused-vars': [
+      'error',
+      { argsIgnorePattern: '^_', varsIgnorePattern: '^_', caughtErrorsIgnorePattern: '^_' }
+    ],
+    '@typescript-eslint/no-this-alias': [
+      'error',
+      {
+        allowDestructuring: true, // Allow `const { props, state } = this`; false by default
+        allowedNames: [
+          'self' // Allow `const self= this`; `[]` by default
+        ]
+      }
+    ],
+    '@typescript-eslint/no-non-null-assertion': 'off',
+    '@typescript-eslint/no-explicit-any': 'off',
+    '@typescript-eslint/ban-types': [
+      'error',
+      {
+        types: {
+          // Allow BigInt (uppercase)
+          BigInt: false
+        }
+      }
+    ]
+  }
+}

.github/workflows/CI.yml

@@ -5,15 +5,58 @@ on:
     branches:
       - main
   pull_request:
+    branches:
+      - main
 
 jobs:
-  test:
-    strategy:
-      matrix:
-        node: ['12.x', '14.x']
-        os: [ubuntu-latest]
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out Git repository
+        uses: actions/checkout@v2
+        with:
+          ref: ${{ github.event.pull_request.head.ref || '' }}
+          token: ${{ secrets.github_token }}
+
+      - name: Set up node
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18.x'
+          registry-url: https://registry.npmjs.org
+
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - uses: actions/cache@v2
+        id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            yarn-
+
+      - name: Install dependencies
+        run: yarn install
+
+      - name: Lint
+        run: yarn run lint
+
+      - name: Commit lint fixes
+        if: github.event_name == 'pull_request'
+        run: |
+          git config --global user.name "${{ github.event.pull_request.user.login }}"
+          git config --global user.email "${{ github.event.pull_request.user.login }}@users.noreply.github.com"
+          if [ -z "$(git diff)" ]; then exit; fi
+          git commit -a -m "fix(lint): auto-fix [ci]"
+          git push
 
-    runs-on: ${{ matrix.os }}
+  build:
+    needs: lint
+    name: build
+    runs-on: ubuntu-latest
 
     steps:
       - name: Checkout code
@@ -22,7 +65,7 @@ jobs:
       - name: Setup Node
         uses: actions/setup-node@v2
         with:
-          node-version: ${{ matrix.node }}
+          node-version: '18.x'
 
       - name: Get yarn cache directory path
         id: yarn-cache-dir-path
@@ -32,9 +75,9 @@ jobs:
         id: yarn-cache # use this to check for `cache-hit` (`steps.yarn-cache.outputs.cache-hit != 'true'`)
         with:
           path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
-          key: ${{ matrix.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          key: yarn-${{ hashFiles('**/yarn.lock') }}
           restore-keys: |
-            ${{ matrix.os }}-yarn-
+            yarn-
 
       - name: Install dependencies
         run: yarn install

package.json

@@ -4,6 +4,7 @@
   "repository": "https://github.com/graphprotocol/uniswap-v3-subgraph",
   "license": "GPL-3.0-or-later",
   "scripts": {
+    "lint": "eslint . --ext .ts --fix",
     "codegen": "graph codegen --output-dir src/types/",
     "build": "graph build",
     "create-local": "graph create ianlapham/uniswap-v3 --node http://127.0.0.1:8020",
@@ -18,7 +19,8 @@
     "@graphprotocol/graph-ts": "^0.32.0",
     "@typescript-eslint/eslint-plugin": "^2.0.0",
     "@typescript-eslint/parser": "^2.0.0",
-    "eslint": "^6.2.2",
+    "@uniswap/eslint-config": "^1.2.0",
+    "eslint": "^8.57.0",
     "eslint-config-prettier": "^6.1.0",
     "prettier": "^1.18.2",
     "typescript": "^3.5.2"