Merge pull request #9 from GitTerraGame/cache_npm_packages

Use cache action to cache NPM packages

action.yml

@@ -33,8 +33,28 @@ runs:
         repository: "GitTerraGame/Play-GitTerra-Action"
         path: "builders"
 
+    - name: Looking for a stash of existing tools
+      id: cache-npm
+      uses: actions/cache@v4
+      env:
+        cache-name: cache-node-modules
+      with:
+        # npm cache files are stored in `~/.npm` on Linux/macOS
+        path: ~/.npm
+        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('builders/package-lock.json') }}
+        restore-keys: |
+          ${{ runner.os }}-build-${{ env.cache-name }}-
+          ${{ runner.os }}-build-
+          ${{ runner.os }}-
+
+    - if: ${{ steps.cache-npm.outputs.cache-hit != 'true' }}
+      name: Check the empty stash
+      continue-on-error: true
+      shell: "bash"
+      run: npm list
+
     - name: Equipping builders with the tools
-      run: (cd builders && npm install)
+      run: (cd builders && npm ci)
       shell: "bash"
 
     - name: Building the city of GitTerra

package.json

@@ -1,6 +1,6 @@
 {
   "name": "gitterra",
-  "version": "1.1.1",
+  "version": "1.1.2",
   "description": "A git-based game running in CI/CD and played by coding",
   "main": "src/generateMap.js",
   "scripts": {