refactor: add eslint job and yarn script

Author: jsjoeio

.github/workflows/build.yaml

@@ -108,6 +108,53 @@ jobs:
         if: failure()
         uses: andymckay/cancel-action@0.2
 
+  lint-ts:
+    name: Lint TypeScript files
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v3
+
+      - name: Get changed files
+        id: changed-files
+        uses: tj-actions/changed-files@v23.2
+        with:
+          files: |
+            **.ts
+            **.tsx
+            **.js
+          files_ignore: |
+            lib/vscode
+
+      - name: Install Node.js v16
+        if: steps.changed-files.outputs.any_changed == 'true'
+        uses: actions/setup-node@v3
+        with:
+          node-version: "16"
+
+      - name: Fetch dependencies from cache
+        if: steps.changed-files.outputs.any_changed == 'true'
+        id: cache-yarn
+        uses: actions/cache@v3
+        with:
+          path: "node_modules"
+          key: yarn-build-${{ hashFiles('yarn.lock') }}
+          restore-keys: |
+            yarn-build-
+
+      - name: Install dependencies
+        if: steps.changed-files.outputs.any_changed == 'true' && steps.cache-yarn.outputs.cache-hit != 'true'
+        run: SKIP_SUBMODULE_DEPS=1 yarn --frozen-lockfile
+
+      - name: Lint TypeScript files
+        if: steps.changed-files.outputs.any_changed == 'true'
+        run: yarn lint:ts
+
+      - name: Fail workflow
+        if: failure()
+        uses: andymckay/cancel-action@0.2
+
   lint-helm:
     name: Lint Helm chart
     runs-on: ubuntu-latest

ci/dev/lint.sh

@@ -4,7 +4,6 @@ set -euo pipefail
 main() {
   cd "$(dirname "$0")/../.."
 
-  eslint --max-warnings=0 --fix $(git ls-files "*.ts" "*.tsx" "*.js" | grep -v "lib/vscode")
   tsc --noEmit --skipLibCheck
 
   cd "$OLDPWD"

package.json

@@ -29,6 +29,7 @@
     "lint": "./ci/dev/lint.sh",
     "lint:helm": "./ci/dedv/helm.sh",
     "lint:sh": "shellcheck -e SC2046,SC2164,SC2154,SC1091,SC1090,SC2002 $(git ls-files '*.sh' | grep -v 'lib/vscode')",
+    "lint:ts": "eslint --max-warnings=0 --fix $(git ls-files '*.ts' '*.tsx' '*.js' | grep -v 'lib/vscode')",
     "test": "echo 'Run yarn test:unit or yarn test:e2e' && exit 1",
     "ci": "./ci/dev/ci.sh",
     "watch": "VSCODE_DEV=1 VSCODE_IPC_HOOK_CLI= NODE_OPTIONS='--max_old_space_size=32384 --trace-warnings' ts-node ./ci/dev/watch.ts",