chore: ts support

.eslintrc.js

@@ -5,8 +5,7 @@
 
 module.exports = {
 	extends: [
-		// https://github.com/nextcloud/eslint-config/
-		'@nextcloud',
+		'@nextcloud/eslint-config/typescript',
 		'plugin:vue/recommended',
 	],
 
@@ -33,8 +32,13 @@ module.exports = {
 	settings: {
 		'import/extensions': [
 			'.js',
+			'.ts',
 			'.vue',
 		],
+		'import/ignore': [
+			// eslint-plugin-import doesn't support setting TS parser as options for vue parser
+			'\\.vue$',
+		],
 	},
 
 	rules: {

.github/workflows/lint-typescript.yml

@@ -0,0 +1,78 @@
+# SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+# SPDX-License-Identifier: AGPL-3.0-or-later
+# Based on lint eslint workflow on https://github.com/nextcloud/.github
+
+name: Lint TypeScript
+
+on: pull_request
+
+permissions:
+  contents: read
+
+concurrency:
+  group: lint-typescript-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  changes:
+    runs-on: ubuntu-latest-low
+    permissions:
+      contents: read
+      pull-requests: read
+
+    outputs:
+      src: ${{ steps.changes.outputs.src}}
+
+    steps:
+      - uses: dorny/paths-filter@de90cc6fb38fc0963ad72b210f1f284cd68cea36 # v3.0.2
+        id: changes
+        continue-on-error: true
+        with:
+          filters: |
+            src:
+              - '.github/workflows/**'
+              - 'src/**'
+              - 'appinfo/info.xml'
+              - 'package.json'
+              - 'package-lock.json'
+              - 'tsconfig.json'
+              - '**.js'
+              - '**.ts'
+              - '**.vue'
+
+  typecheck:
+    runs-on: ubuntu-latest
+
+    needs: changes
+    if: needs.changes.outputs.src != 'false'
+
+    name: NPM typecheck
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+
+      - name: Set up node and npm ${{ steps.versions.outputs.nodeVersion }}
+        uses: actions/setup-node@1e60f620b9541d16bece96c5465dc8ee9832be0b # v4.0.3
+        with:
+          node-version-file: 'package.json'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Typecheck
+        run: npm run typecheck
+
+  summary:
+    permissions:
+      contents: none
+    runs-on: ubuntu-latest-low
+    needs: [changes, typecheck]
+
+    if: always()
+
+    name: typecheck
+
+    steps:
+      - name: Summary status
+        run: if ${{ needs.typecheck.result != 'success' }}; then exit 1; fi