ci: compoiste steps to remove duplicated code

.github/actions/prepare-nodemodules/action.yml

@@ -0,0 +1,31 @@
+name: Prepare node_modules
+
+description: Install Dependencies using Bun. If cache hit, do nothing.
+
+inputs:
+  root:
+    description: |-
+      An absolute path to the directory where contains package.json.
+      Required
+    required: true
+
+runs:
+  using: composite
+  steps:
+    - uses: actions/cache@v4
+      id: cache
+      working-directory: ${{ inputs.root }}
+      with:
+        path: |
+          ~/.bun/install/cache
+          ${{ inputs.root }}/.next/cache
+        key: ${{ runner.os }}-bun-cache-${{ hashFiles('bun.lockb') }}
+        restore-keys: ${{ runner.os }}-bun-cache-
+    - uses: oven-sh/setup-bun@v1
+      if: steps.cache.outputs.cache-hit != 'true'
+      with:
+        bun-version: latest
+    - name: Install dependencies
+      if: steps.cache.outputs.cache-hit != 'true'
+      working-directory: ${{ inputs.root }}
+      run: bun install

.github/workflows/nodejsci.yml

@@ -29,21 +29,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/cache@v4
-        id: cache
+      - uses: ./.github/actions/prepare-nodemodules
         with:
-          path: |
-            ${{ github.workspace }}/typing-app/node_modules
-            ${{ github.workspace }}/typing-app/.next/cache
-          key: ${{ runner.os }}-bun-cache-${{ hashFiles('typing-app/bun.lockb') }}
-          restore-keys: ${{ runner.os }}-bun-cache-
-      - uses: oven-sh/setup-bun@v1
-        if: steps.cache.outputs.cache-hit != 'true'
-        with:
-          bun-version: latest
-      - name: Install dependencies
-        if: steps.cache.outputs.cache-hit != 'true'
-        run: bun install
+          root: ${{ github.workspace }}/typing-app
       - name: Try to build
         run: npm run build