Fix Quote Reply button on review diff (#13830)

* Fix Quote Reply #13762

* requestAnimationFrame() instead of setTimeout()

Co-authored-by: 6543 <[email protected]>

Author: jpraet

web_src/js/index.js

@@ -901,25 +901,23 @@ async function initRepository() {
       const target = $(this).data('target');
       const quote = $(`#comment-${target}`).text().replace(/\n/g, '\n> ');
       const content = `> ${quote}\n\n`;
-
-      let $content;
+      let $simplemde = autoSimpleMDE;
       if ($(this).hasClass('quote-reply-diff')) {
         const $parent = $(this).closest('.comment-code-cloud');
         $parent.find('button.comment-form-reply').trigger('click');
-        $content = $parent.find('[name="content"]');
-        if ($content.val() !== '') {
-          $content.val(`${$content.val()}\n\n${content}`);
-        } else {
-          $content.val(`${content}`);
-        }
-        $content.focus();
-      } else if (autoSimpleMDE !== null) {
-        if (autoSimpleMDE.value() !== '') {
-          autoSimpleMDE.value(`${autoSimpleMDE.value()}\n\n${content}`);
+        $simplemde = $parent.find('[name="content"]').data('simplemde');
+      }
+      if ($simplemde !== null) {
+        if ($simplemde.value() !== '') {
+          $simplemde.value(`${$simplemde.value()}\n\n${content}`);
         } else {
-          autoSimpleMDE.value(`${content}`);
+          $simplemde.value(`${content}`);
         }
       }
+      requestAnimationFrame(() => {
+        $simplemde.codemirror.focus();
+        $simplemde.codemirror.setCursor($simplemde.codemirror.lineCount(), 0);
+      });
       event.preventDefault();
     });
 
@@ -1082,8 +1080,10 @@ async function initRepository() {
         $textarea.val($rawContent.text());
         $simplemde.value($rawContent.text());
       }
-      $textarea.focus();
-      $simplemde.codemirror.focus();
+      requestAnimationFrame(() => {
+        $textarea.focus();
+        $simplemde.codemirror.focus();
+      });
       event.preventDefault();
     });