ci: add separate build workflow

.github/workflows/build.yaml

@@ -0,0 +1,17 @@
+name: Build
+
+on: push
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: npm
+
+      - run: npm ci
+      - run: npm run build

.github/workflows/lint-check.yaml

@@ -14,9 +14,4 @@ jobs:
           cache: npm
 
       - run: npm ci
-
-      # Check whether Prettier has errors.
-      - run: npm run check:prettier
-
-      # Check whether build is successful.
-      - run: npm run build
+      - run: npm run lint

package.json

@@ -16,8 +16,9 @@
   "typings": "dist/index.d.ts",
   "scripts": {
     "build": "tsc",
-    "build:watch": "tsc --watch",
-    "check:prettier": "prettier --check .",
+    "dev": "tsc --watch",
+    "format": "prettier --write .",
+    "lint": "prettier --check .",
     "prepublishOnly": "npm run build"
   },
   "dependencies": {