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import './clean-sidebar.css';
import React from 'dom-chef';
import select from 'select-dom';
import features from '../libs/features';
import onUpdatableContentUpdate from '../libs/on-updatable-content-update';
import {isPR} from '../libs/page-detect';
let canEditSidebar = false;
// Selector points to element containing list of elements or "No labels" text
function cleanSection(selector: string): boolean {
const list = select(selector)!;
if (list.children.length === 0) {
const section = list.closest('.discussion-sidebar-item')!;
if (canEditSidebar) {
list.remove();
section.classList.add('rgh-clean-sidebar');
} else {
section.remove();
}
return true;
}
return false;
}
function clean(): void {
if (select.exists('.rgh-clean-sidebar')) {
return;
}
select('#partial-discussion-sidebar')!.classList.add('rgh-clean-sidebar');
// Assignees
const assignees = select('.js-issue-assignees')!;
if (assignees.children.length === 0) {
assignees.closest('.discussion-sidebar-item')!.remove();
} else {
const assignYourself = select('.js-issue-assign-self');
if (assignYourself) {
(assignYourself.previousSibling as ChildNode).remove(); // Drop "No one — "
select('[aria-label="Select assignees"] summary')!.append(
<span style={{fontWeight: 'normal'}}> – {assignYourself}</span>
);
assignees.closest('.discussion-sidebar-item')!.classList.add('rgh-clean-sidebar');
}
}
// Reviewers
if (isPR()) {
cleanSection('[aria-label="Select reviewers"] > .css-truncate');
}
// Labels
if (!cleanSection('.js-issue-labels') && !canEditSidebar) {
select('.sidebar-labels div.discussion-sidebar-heading')!.remove();
}
// Projects
cleanSection('.sidebar-projects');
// Milestones
const milestones = select('.sidebar-milestone')!;
const milestonesInfo = milestones.lastChild!.lastChild!;
if (milestonesInfo.textContent!.trim() === 'No milestone') {
if (canEditSidebar) {
milestonesInfo.remove();
milestones.classList.add('rgh-clean-sidebar');
} else {
milestones.remove();
}
}
}
function init(): void {
canEditSidebar = select.exists('.sidebar-labels .octicon-gear');
clean();
onUpdatableContentUpdate(select('#partial-discussion-sidebar')!, clean);
}
features.add({
id: __featureName__,
description: 'Hides empty sections (or just their "empty" label) in the discussion sidebar.',
screenshot: 'https://user-images.githubusercontent.com/1402241/57199809-20691780-6fb6-11e9-9672-1ad3f9e1b827.png',
include: [
features.isIssue,
features.isPRConversation
],
load: features.onAjaxedPages,
init
});
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