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gitea/web_src/js/markup/tasklist.js
silverwind a159c3175f
Add new JS linter rules (#17699)
* Add new JS linter rules

Adds a few useful rules from eslint-plugin-github. Notable changes:

- Forbid dataset usage, its camel-casing behaviour makes it hard to
  grep for attributes.
- Forbid .then() and .catch(), we should generally prefer await for new
  code. For rare cases where they are useful, a eslint-disable-line
  directive can be set.
- Add docs js to linting

* also enable github/array-foreach

* small tweak

Co-authored-by: Andrew Thornton <art27@cantab.net>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>
2021-11-22 16:19:01 +08:00

75 lines
2.6 KiB
JavaScript

/**
* 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.
*/
const preventListener = (e) => e.preventDefault();
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);
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');
await $.post(updateUrl, {
ignore_attachments: true,
_csrf: window.config.csrfToken,
content: newContent,
context
});
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;
}
}
}