add types

.github/workflows/main.yml

@@ -3,8 +3,20 @@ name: CI
 on: [push, pull_request]
 
 jobs:
+  typecheck:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js 22.x
+        uses: actions/setup-node@v2.5.1
+        with:
+          node-version: 22.x
+      - run: npm install
+      - run: npm run typecheck
+
   build:
     runs-on: ubuntu-latest
+    needs: typecheck
 
     strategy:
       matrix:
@@ -18,10 +30,3 @@ jobs:
           node-version: ${{ matrix.node-version }}
       - run: npm install
       - run: npm run build --if-present
-
-  lint:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v1
-      - uses: actions/setup-python@v2.3.1
-      - uses: pre-commit/action@v3.0.1

.pre-commit-config.yaml

@@ -1,3 +1,5 @@
+ci:
+  skip: [typecheck]
 repos:
   - repo: https://github.com/pre-commit/mirrors-prettier
     rev: 'v2.5.1'
@@ -31,3 +33,10 @@ repos:
           |md|markdown|mdown|mkdn\
           |mdx\
           )$"
+  - repo: local
+    hooks:
+      - id: typecheck
+        name: typecheck
+        entry: npm run typecheck
+        language: system
+        pass_filenames: false