cache just the .js files, to avoid stale translations

.github/actions/build-translations/action.yml

@@ -8,17 +8,19 @@ inputs:
 runs:
   using: 'composite'
   steps:
-    - name: 📝 Extract English source strings
+    - name: 📝 Extract all translation strings
       shell: bash
-      run: yarn intl:extract
+      run: yarn intl:extract:all
 
     - name: 🔑 Generate cache key
       id: cache-key
       shell: bash
       run: |
-        EN_HASH=$(cat src/locale/locales/en/messages.po | shasum -a 256 | cut -d' ' -f1)
-        YARN_HASH=$(cat yarn.lock | shasum -a 256 | cut -d' ' -f1)
-        CACHE_KEY="translations-${EN_HASH}-${YARN_HASH}"
+        # Hash all .po files to detect any translation changes
+        PO_HASH=$(find src/locale/locales -name "messages.po" -type f -exec cat {} \; | shasum -a 256 | cut -d' ' -f1)
+        # Get @lingui/cli version to bust cache on compiler upgrades
+        LINGUI_VERSION=$(grep '"version"' node_modules/@lingui/cli/package.json | head -1 | sed 's/.*"version": "\(.*\)".*/\1/')
+        CACHE_KEY="translations-${PO_HASH}-lingui-${LINGUI_VERSION}"
         echo "key=${CACHE_KEY}" >> $GITHUB_OUTPUT
         echo "Cache key: ${CACHE_KEY}"
 
@@ -26,9 +28,7 @@ runs:
       id: cache-translations
       uses: actions/cache@v4
       with:
-        path: |
-          src/locale/locales/*/messages.po
-          src/locale/locales/*/messages.js
+        path: src/locale/locales/*/messages.js
         key: ${{ steps.cache-key.outputs.key }}
 
     - name: 🔤 Compile translations