Do not comment if file is empty

Author: yorhodes

lib/index.js

@@ -9563,6 +9563,11 @@ async function run() {
         let content = message;
         if (!message && filePath) {
             content = fs_1.default.readFileSync(filePath, 'utf8');
+            // exit if file is empty (and do not comment)
+            if (content.length === 0) {
+                core.info('File is empty. Exiting.');
+                return;
+            }
             if (mdLanguage) {
                 content = `\`\`\`${mdLanguage}\n${content}\n\`\`\``;
             }

src/main.ts

@@ -28,6 +28,13 @@ async function run() {
     let content: string = message;
     if (!message && filePath) {
       content = fs.readFileSync(filePath, 'utf8');
+
+      // exit if file is empty (and do not comment)
+      if (content.length === 0) {
+        core.info('File is empty. Exiting.');
+        return;
+      }
+
       if (mdLanguage) {
         content = `\`\`\`${mdLanguage}\n${content}\n\`\`\``;
       }