diff --git a/.github/actions/install/action.yml b/.github/actions/install/action.yml
new file mode 100644
index 0000000..af8148c
--- /dev/null
+++ b/.github/actions/install/action.yml
@@ -0,0 +1,12 @@
+name: Install
+
+description: Install this app
+
+runs:
+  using: composite
+  steps:
+    - uses: actions/setup-node@v7
+      with:
+        node-version-file: .nvmrc
+    - shell: bash
+      run: npm ci
diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index a9b5659..e8b087f 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -37,9 +37,6 @@ jobs:
       id-token: write
     steps:
       - uses: actions/checkout@v7
-      - uses: actions/setup-node@v6
-        with:
-          node-version-file: .nvmrc
-      - run: npm ci
+      - uses: ./.github/actions/install
       - run: npm run build
       - run: npm publish --provenance --access public
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1064208..8e4959c 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -2,10 +2,6 @@ name: Test
 
 on:
   workflow_call:
-    inputs:
-      ref:
-        required: false
-        type: string
 
 jobs:
   test:
@@ -15,10 +11,6 @@ jobs:
         node-version: [22, 24, 26]
     steps:
       - uses: actions/checkout@v7
-        with:
-          ref: ${{ inputs.ref || '' }}
-      - uses: actions/setup-node@v6
-        with:
-          node-version: ${{ matrix.node-version }}
-      - run: npm ci
-      - run: npx tsc --noEmit && npm test
+      - uses: ./.github/actions/install
+      - run: npm run check
+      - run: npm test
diff --git a/package.json b/package.json
index 8339e68..7d64e01 100644
--- a/package.json
+++ b/package.json
@@ -12,6 +12,7 @@
   },
   "scripts": {
     "build": "npm run clean && tsc",
+    "check": "tsc --noEmit",
     "clean": "rimraf dist",
     "prepare": "husky install",
     "test": "tsc --project test/tsconfig.json"