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import './toggle-files-button.css';
import cache from 'webext-storage-cache';
import React from 'dom-chef';
import select from 'select-dom';
import delegate from 'delegate-it';
import * as pageDetect from 'github-url-detection';
import {FoldIcon, UnfoldIcon, ArrowUpIcon} from '@primer/octicons-react';
import features from '../feature-manager.js';
import selectHas from '../helpers/select-has.js';
import attachElement from '../helpers/attach-element.js';
import observe from '../helpers/selector-observer.js';
const cacheKey = 'files-hidden';
const hiddenFilesClass = 'rgh-files-hidden';
const toggleButtonClass = 'rgh-toggle-files';
const noticeClass = 'rgh-files-hidden-notice';
// 19px align this icon with the <UnfoldIcon/> above it
const noticeStyle = {paddingRight: '19px'};
function addButton(filesBox: HTMLElement): void {
attachElement(selectHas('ul:has(.octicon-history)', filesBox)!, {
allowMissingAnchor: true,
className: toggleButtonClass,
append: () => (
<button
type="button"
className="btn-octicon"
aria-label="Toggle files section"
>
<FoldIcon/>
<UnfoldIcon/>
</button>
),
});
}
function addFilesHiddenNotice(fileBox: Element): void {
// Add notice so the user knows that the list was collapsed #5524
attachElement(fileBox, {
className: noticeClass,
after: () => (
<div
className="mb-3 mt-n3 py-1 text-right text-small color-fg-subtle"
style={noticeStyle}
>
The file list was collapsed via Refined GitHub <ArrowUpIcon className="v-align-middle"/>
</div>
),
});
}
function toggle(toggle?: boolean): boolean {
return document.body.classList.toggle(hiddenFilesClass, toggle);
}
async function toggleHandler(): Promise<void> {
// Remove notice after the first click
select(`.${noticeClass}`)?.remove();
const isHidden = toggle();
await cache.set(cacheKey, isHidden);
}
async function updateView(anchor: HTMLHeadingElement): Promise<void> {
const filesBox = anchor.parentElement!;
addButton(filesBox);
if (await cache.get<boolean>(cacheKey)) {
toggle(true);
addFilesHiddenNotice(filesBox);
}
}
async function init(signal: AbortSignal): Promise<void> {
// TODO: Use `.Box:has(> #files)` instead
observe('.Box h2#files', updateView, {signal});
delegate(`.${toggleButtonClass}, .${noticeClass}`, 'click', toggleHandler, {signal});
}
void features.add(import.meta.url, {
include: [
pageDetect.isRepoTree,
],
init,
});
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