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Make task list checkboxes clickable in the preview tab (#37010)

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When a checkbox is toggled in the markup preview tab, the change is now
synced back to the editor textarea. Extracted a `toggleTasklistCheckbox`
helper to deduplicate the byte-offset toggle logic.

---------

Co-authored-by: Claude (Opus 4.6) <noreply@anthropic.com>
This commit is contained in:
silverwind
2026-03-29 20:48:40 +02:00
committed by GitHub
parent da51d5af1a
commit 50a1dc9486
3 changed files with 44 additions and 10 deletions
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15
web_src/js/features/comp/ComboMarkdownEditor.ts
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@@ -10,6 +10,7 @@ import {
} from './EditorUpload.ts';
import {handleGlobalEnterQuickSubmit} from './QuickSubmit.ts';
import {renderPreviewPanelContent} from '../repo-editor.ts';
import {toggleTasklistCheckbox} from '../../markup/tasklist.ts';
import {easyMDEToolbarActions} from './EasyMDEToolbarActions.ts';
import {initTextExpander} from './TextExpander.ts';
import {showErrorToast} from '../../modules/toast.ts';
@@ -236,6 +237,20 @@ export class ComboMarkdownEditor {
const response = await POST(this.previewUrl, {data: formData});
const data = await response.text();
renderPreviewPanelContent(panelPreviewer, data);
// enable task list checkboxes in preview and sync state back to the editor
for (const checkbox of panelPreviewer.querySelectorAll<HTMLInputElement>('.task-list-item input[type=checkbox]')) {
checkbox.disabled = false;
checkbox.addEventListener('input', () => {
const position = parseInt(checkbox.getAttribute('data-source-position')!) + 1;
const newContent = toggleTasklistCheckbox(this.value(), position, checkbox.checked);
if (newContent === null) {
checkbox.checked = !checkbox.checked;
return;
}
this.value(newContent);
triggerEditorContentChanged(this.container);
});
}
});
}