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import './quick-mention.css';
import React from 'dom-chef';
import {$, elementExists} from 'select-dom';
import {ReplyIcon} from '@primer/octicons-react';
import * as pageDetect from 'github-url-detection';
import * as textFieldEdit from 'text-field-edit';
import delegate, {DelegateEvent} from 'delegate-it';
import {wrap} from '../helpers/dom-utils.js';
import features from '../feature-manager.js';
import {getUsername, isArchivedRepoAsync} from '../github-helpers/index.js';
import observe from '../helpers/selector-observer.js';
function prefixUserMention(userMention: string): string {
// The alt may or may not have it #4859
return '@' + userMention.replace('@', '').replace(/\[bot]$/, '');
}
function mentionUser({delegateTarget: button}: DelegateEvent): void {
const userMention = button.parentElement!.querySelector('img')!.alt;
const newComment = $('textarea#new_comment_field')!;
newComment.focus();
// If the new comment field has selected text, don’t replace it
newComment.selectionStart = newComment.selectionEnd;
// If the cursor is preceded by a space (or is at place 0), don't add a space before the mention
const precedingCharacter = newComment.value.slice(newComment.selectionStart - 1, newComment.selectionStart);
const spacer = /\s|^$/.test(precedingCharacter) ? '' : ' ';
// The space after closes the autocomplete box and places the cursor where the user would start typing
textFieldEdit.insert(newComment, `${spacer}${prefixUserMention(userMention)} `);
}
const debug = false;
function add(avatar: HTMLElement): void {
if (debug) {
avatar.style.border = 'solid 5px black';
}
const timelineItem = avatar.closest([
// Regular comments
'.js-comment-container',
// Reviews
'.js-comment',
])!;
if (debug) {
timelineItem.style.border = 'solid 5px red';
}
if (
// TODO: Rewrite with :has()
// Exclude events that aren't tall enough, like hidden comments or reviews without comments
!elementExists('.unminimized-comment, .js-comment-container', timelineItem)
) {
return;
}
if (debug) {
timelineItem.style.border = 'solid 5px green';
}
// Wrap avatars next to review events so the inserted button doesn't break the layout #4844
if (avatar.classList.contains('TimelineItem-avatar')) {
avatar.classList.remove('TimelineItem-avatar');
wrap(avatar, <div className="avatar-parent-child TimelineItem-avatar d-none d-md-block"/>);
}
const userMention = $('img', avatar)!.alt;
avatar.classList.add('rgh-quick-mention');
avatar.after(
<button
type="button"
className="rgh-quick-mention tooltipped tooltipped-e btn-link"
aria-label={`Mention ${prefixUserMention(userMention)} in a new comment`}
>
<ReplyIcon/>
</button>,
);
}
async function init(signal: AbortSignal): Promise<void> {
if (await isArchivedRepoAsync()) {
return;
}
delegate('button.rgh-quick-mention', 'click', mentionUser, {signal});
// `:first-child` avoids app badges #2630
// The hovercard attribute avoids `highest-rated-comment`
// Avatars next to review events aren't wrapped in a <div> #4844
observe(`
:is(
div.TimelineItem-avatar > [data-hovercard-type="user"]:first-child,
a.TimelineItem-avatar
):not([href="/${getUsername()!}"])
`, add, {signal});
}
void features.add(import.meta.url, {
include: [
pageDetect.isConversation,
],
init,
});
/*
Test URLs
https://github.com/refined-github/sandbox/pull/10
No-comment reviews shouldn't have it:
https://github.com/NixOS/nixpkgs/pull/147010#pullrequestreview-817111882
*/
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