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import './release-download-count.css';
import React from 'dom-chef';
import {$$, elementExists} from 'select-dom';
import {DownloadIcon} from '@primer/octicons-react';
import * as pageDetect from 'github-url-detection';
import {abbreviateNumber} from 'js-abbreviation-number';
import getReleaseDownloadCount from './release-download-count.gql';
import features from '../feature-manager.js';
import api from '../github-helpers/api.js';
import observe from '../helpers/selector-observer.js';
import {createHeatIndexFunction} from '../helpers/math.js';
type Asset = {
name: string;
downloadCount: number;
};
async function getAssetsForTag(tag: string): Promise<Record<string, number>> {
const {repository} = await api.v4(getReleaseDownloadCount, {variables: {tag}});
const assets: Asset[] = repository.release.releaseAssets.nodes;
return Object.fromEntries(assets.map(({name, downloadCount}) => ([name, downloadCount])));
}
async function addCounts(assetsList: HTMLElement): Promise<void> {
// TODO: Use :has selector instead
if (!elementExists('.octicon-package', assetsList)) {
return;
}
// Both pages have .Box but in the list .Box doesn't include the tag
const container = assetsList.closest('section') // Single-release page
?? assetsList.closest('.Box:not(.Box--condensed)')!; // Releases list, excludes the assets list’s own .Box
const releaseName = container
.querySelector('.octicon-tag ~ span')!
.textContent
.trim();
const assets = await getAssetsForTag(releaseName);
const calculateHeatIndex = createHeatIndexFunction(Object.values(assets));
for (const assetLink of $$('.octicon-package ~ a', assetsList)) {
// Match the asset in the DOM to the asset in the API response
const downloadCount = assets[assetLink.pathname.split('/').pop()!] ?? 0;
// Place next to asset size
const assetSize = assetLink
.closest('.Box-row')!
.querySelector(':scope > .flex-justify-end > :first-child')!;
assetSize.parentElement!.classList.add('rgh-release-download-count');
const classes = new Set(assetSize.classList);
classes.delete('text-sm-left');
if (downloadCount === 0) {
classes.add('v-hidden');
}
assetSize.before(
<span className={[...classes].join(' ')}>
<span
className="d-inline-block text-right"
title={`${downloadCount} downloads`}
data-rgh-heat={calculateHeatIndex(downloadCount)}
>
{abbreviateNumber(downloadCount)} <DownloadIcon/>
</span>
</span>,
);
}
}
function init(signal: AbortSignal): void {
observe('.Box-footer .Box--condensed', addCounts, {signal});
}
void features.add(import.meta.url, {
include: [
pageDetect.isReleasesOrTags,
pageDetect.isSingleReleaseOrTag,
],
init,
});
/*
Test URLs
- One release: https://github.com/cli/cli/releases/tag/v2.30.0
- List of releases: https://github.com/cli/cli/releases
- Lots of assets: https://github.com/notepad-plus-plus/notepad-plus-plus/releases
*/
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