I18n check: fix empty comment

.github/workflows/i18n-consistency-checker.yaml

@@ -20,23 +20,12 @@ jobs:
       - uses: actions/checkout@v3
         with:
           fetch-depth: '0'
-      - name: Check consistency and create issue
+      - name: Check consistency
         id: check-consistency
         run: |
           # Declare the flags
           declare -A flags=( ["ja"]=":jp: Japanese" ["zh"]=":cn: Chinese")
 
-          issue_title="${flags['${{matrix.language}}']}: Content Consistency Issue"
-
-          # Heredoc for issue header
-          cat <<- EOM > issue.md
-          # i18n Contents Consistency Issue
-
-          The following files may have consistency issues with the English version. Please check and update the files.
-
-          This issue is created when any of the English patterns have changed (in folder `patterns/`). It compares the git update history to let you know what updates are overdue. The issue should be closed when the update is complete.
-          EOM
-
           # Loop through all files in the English directory
           for file in $(find patterns/{2-structured,3-validated} -name '*.md'); do
             [[ $file =~ "3-validated" ]] && continue # if the file is under 3-validated, skip (one liner) - 2023/08/26
@@ -72,18 +61,41 @@ jobs:
           EOM
             fi
           done
+
+      - name: Check issue.md existence
+        id: check_files
+        uses: andstor/file-existence-action@v2
+        with:
+          files: "issue.md"
+      - name: Create issue
+        if: steps.check_files.outputs.files_exists == 'true'
+        run: |
+          # Heredoc for issue header
+          cat <<- EOM > issue-full.md
+          # i18n Contents Consistency Issue
+
+          The following files may have consistency issues with the English version. Please check and update the files.
 
+          This issue is created when any of the English patterns have changed (in folder `patterns/`). It compares the git update history to let you know what updates are overdue. The issue should be closed when the update is complete.
+          EOM  
+
+          # combine header and rest of file created in previous steps
+          cat issue.md >> issue-full.md
+
+          # title of the GitHub issue to look for
+          issue_title="${flags['${{matrix.language}}']}: Content Consistency Issue"
+
           # Get the existing issue ID
           existing_issue_id=$(gh issue list -S "is:issue is:open $issue_title" | cut -f1)
           echo "existing_issue_id: $existing_issue_id"
+
           # Create a new issue or comment on the existing one
-          if [ -f issue.md ]; then
-            if expr "$existing_issue_id" : '^[0-9]*$' >/dev/null; then
-              gh issue comment "$existing_issue_id" -F issue.md -R $GITHUB_REPOSITORY
-            else
-              gh issue create -t "$issue_title" -F issue.md -R $GITHUB_REPOSITORY -l "Type - Translation"
-            fi
+          if expr "$existing_issue_id" : '^[0-9]*$' >/dev/null; then
+            gh issue comment "$existing_issue_id" -F issue-full.md -R $GITHUB_REPOSITORY
+          else
+            gh issue create -t "$issue_title" -F issue-full.md -R $GITHUB_REPOSITORY -l "Type - Translation"
           fi
+
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}