forgejo/web_src/js/markup/tasklist.js
Yarden Shoham c2d4c2fca7
Remove jQuery from the comment task list (#29170)
- Switched to plain JavaScript
- Tested the task list functionality and it works as before

---------

Signed-off-by: Yarden Shoham <git@yardenshoham.com>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
Co-authored-by: Giteabot <teabot@gitea.io>
Co-authored-by: silverwind <me@silverwind.io>
(cherry picked from commit 542480a9b0d5cdb497dbfa99752d59fd016df0d6)
2024-02-17 23:24:30 +01:00

82 lines
3.2 KiB
JavaScript

import {POST} from '../modules/fetch.js';
const preventListener = (e) => e.preventDefault();
/**
* Attaches `input` handlers to markdown rendered tasklist checkboxes in comments.
*
* When a checkbox value changes, the corresponding [ ] or [x] in the markdown string
* is set accordingly and sent to the server. On success it updates the raw-content on
* error it resets the checkbox to its original value.
*/
export function initMarkupTasklist() {
for (const el of document.querySelectorAll(`.markup[data-can-edit=true]`) || []) {
const container = el.parentNode;
const checkboxes = el.querySelectorAll(`.task-list-item input[type=checkbox]`);
for (const checkbox of checkboxes) {
if (checkbox.hasAttribute('data-editable')) {
return;
}
checkbox.setAttribute('data-editable', 'true');
checkbox.addEventListener('input', async () => {
const checkboxCharacter = checkbox.checked ? 'x' : ' ';
const position = parseInt(checkbox.getAttribute('data-source-position')) + 1;
const rawContent = container.querySelector('.raw-content');
const oldContent = rawContent.textContent;
const encoder = new TextEncoder();
const buffer = encoder.encode(oldContent);
// Indexes may fall off the ends and return undefined.
if (buffer[position - 1] !== '['.codePointAt(0) ||
buffer[position] !== ' '.codePointAt(0) && buffer[position] !== 'x'.codePointAt(0) ||
buffer[position + 1] !== ']'.codePointAt(0)) {
// Position is probably wrong. Revert and don't allow change.
checkbox.checked = !checkbox.checked;
throw new Error(`Expected position to be space or x and surrounded by brackets, but it's not: position=${position}`);
}
buffer.set(encoder.encode(checkboxCharacter), position);
const newContent = new TextDecoder().decode(buffer);
if (newContent === oldContent) {
return;
}
// Prevent further inputs until the request is done. This does not use the
// `disabled` attribute because it causes the border to flash on click.
for (const checkbox of checkboxes) {
checkbox.addEventListener('click', preventListener);
}
try {
const editContentZone = container.querySelector('.edit-content-zone');
const updateUrl = editContentZone.getAttribute('data-update-url');
const context = editContentZone.getAttribute('data-context');
const requestBody = new FormData();
requestBody.append('ignore_attachments', 'true');
requestBody.append('content', newContent);
requestBody.append('context', context);
await POST(updateUrl, {data: requestBody});
rawContent.textContent = newContent;
} catch (err) {
checkbox.checked = !checkbox.checked;
console.error(err);
}
// Enable input on checkboxes again
for (const checkbox of checkboxes) {
checkbox.removeEventListener('click', preventListener);
}
});
}
// Enable the checkboxes as they are initially disabled by the markdown renderer
for (const checkbox of checkboxes) {
checkbox.disabled = false;
}
}
}