Enhance GitHub with additional features.
目前為
// ==UserScript==
// @name GitHub Plus
// @namespace http://tampermonkey.net/
// @version 0.1.0
// @description Enhance GitHub with additional features.
// @author PRO-2684
// @match https://github.com/*
// @run-at document-start
// @icon http://github.com/favicon.ico
// @license gpl-3.0
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_deleteValue
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_addValueChangeListener
// @require https://update.gf.qytechs.cn/scripts/470224/1449525/Tampermonkey%20Config.js
// ==/UserScript==
(function() {
'use strict';
/**
* Regular expression to match the expanded assets URL. (https://github.com/<username>/<repo>/releases/expanded_assets/<version>)
*/
const expandedAssetsRegex = /https:\/\/github\.com\/([^/]+)\/([^/]+)\/releases\/expanded_assets\/([^/]+)/;
/**
* Data about the release. Maps `owner` and `repo` to details. Details are `Promise` objects if exist.
*/
let releaseData = {};
const configDesc = {
$default: {
value: true,
input: "current",
processor: "not",
formatter: "boolean",
autoClose: false
},
debug: {
name: "Debug",
title: "Enable debug mode",
value: false
},
releaseCount: {
name: "Release Count",
title: "Maximum number of releases to query (starting from the latest)",
value: 50,
input: "prompt",
processor: "int_range-1-",
formatter: "normal"
},
releaseDownloads: {
name: "Release Downloads",
title: "Show how many times a release asset has been downloaded"
},
releaseUploader: {
name: "Release Uploader",
title: "Show who uploaded a release asset"
}
};
const config = new GM_config(configDesc);
function log(...args) {
if (config.get("debug")) console.log("%c[GitHub Plus]%c", "color:#f78166;", "color: unset;", ...args);
}
/**
* Get the release data for the given owner and repo.
* @param {string} owner The owner of the repository.
* @param {string} repo The repository name.
* @returns {Promise<Object>} The release data, which resolves to an object mapping version tag, download link to details.
*/
async function getReleaseData(owner, repo) {
if (!releaseData[owner]) releaseData[owner] = {};
if (!releaseData[owner][repo]) {
const promise = fetch(`https://api.github.com/repos/${owner}/${repo}/releases?page=1&per_page=${config.get("releaseCount")}`).then(
response => response.json()
).then(data => {
const finalData = {};
for (const release of data) {
const assets = {};
for (const asset of release.assets) {
assets[asset.browser_download_url] = {
downloads: asset.download_count,
uploader: {
name: asset.uploader.login,
url: asset.uploader.html_url
}
};
}
finalData[release.tag_name] = assets;
}
return finalData;
});
releaseData[owner][repo] = promise;
}
return releaseData[owner][repo];
}
/**
* Create a link to the uploader's profile.
* @param {Object} uploader The uploader information.
* @param {string} uploader.name The name of the uploader.
* @param {string} uploader.url The URL to the uploader's profile.
*/
function createUploaderLink(uploader) {
const link = document.createElement("a");
link.textContent = "@" + uploader.name;
link.href = uploader.url;
link.title = `Uploaded by @${uploader.name}`;
link.setAttribute("class", "color-fg-muted text-sm-left flex-auto ml-md-3 nowrap");
return link;
}
/**
* Create a span element with the given download count.
* @param {number} downloads The download count.
*/
function createDownloadCount(downloads) {
const downloadCount = document.createElement("span");
downloadCount.textContent = `${downloads} DL`;
downloadCount.title = `${downloads} downloads`;
downloadCount.setAttribute("class", "color-fg-muted text-sm-left flex-shrink-0 flex-grow-0 ml-md-3 nowrap");
return downloadCount;
}
/**
* Adding additional info (download count) to the release entries under the given element.
* @param {HTMLElement} el The element to search for release entries.
* @param {Object} info Additional information about the release (owner, repo, version).
* @param {string} info.owner The owner of the repository.
* @param {string} info.repo The repository name.
* @param {string} info.version The version of the release.
*/
function addAdditionalInfoToRelease(el, info) {
const entries = el.querySelectorAll("ul > li");
entries.forEach(async entry => {
const icon = entry.children[0].querySelector("svg.octicon-package");
if (!icon) return; // Not a release entry
const downloadLink = entry.children[0].querySelector("a")?.href;
const statistics = entry.children[1];
const assetInfo = (await getReleaseData(info.owner, info.repo))?.[info.version]?.[downloadLink];
if (!assetInfo) return;
const size = statistics.querySelector("span.flex-auto");
size.classList.remove("flex-auto");
size.classList.add("flex-shrink-0", "flex-grow-0");
if (config.get("releaseDownloads")) {
const downloadCount = createDownloadCount(assetInfo.downloads);
statistics.prepend(downloadCount);
}
if (config.get("releaseUploader")) {
const uploaderLink = createUploaderLink(assetInfo.uploader);
statistics.prepend(uploaderLink);
}
});
}
/**
* Handle the `include-fragment-replace` event.
* @param {CustomEvent} event The event object.
*/
function onFragmentReplace(event) {
const self = event.target;
const src = self.src;
const match = expandedAssetsRegex.exec(src);
if (!match) return;
const [_, owner, repo, version] = match;
const info = { owner, repo, version };
const fragment = event.detail.fragment;
log("Found expanded assets:", fragment);
for (const child of fragment.children) {
addAdditionalInfoToRelease(child, info);
}
}
/**
* Find all release entries and setup listeners to show the download count.
*/
function setupListeners() {
if (!config.get("releaseDownloads") && !config.get("releaseUploader")) return; // No need to run
// IncludeFragmentElement: https://github.com/github/include-fragment-element/blob/main/src/include-fragment-element.ts
const fragments = document.querySelectorAll('[data-hpc] details[data-view-component="true"] include-fragment');
fragments.forEach(fragment => {
fragment.addEventListener("include-fragment-replace", onFragmentReplace, { once: true });
});
}
document.addEventListener("DOMContentLoaded", setupListeners);
// Examine event listeners on `document`, and you can see the event listeners for the `turbo:*` events. (Remember to check `Framework Listeners`)
document.addEventListener("turbo:load", setupListeners);
// Other possible approaches and reasons against them:
// - Use `MutationObserver` - Not efficient
// - Patch `IncludeFragmentElement.prototype.fetch`, just like GitHub itself did at `https://github.githubassets.com/assets/app/assets/modules/github/include-fragment-element-hacks.ts`
// - Monkey-patching
// - If using regex to modify the response, it would be tedious to maintain
// - If using `DOMParser`, the same HTML would be parsed twice
if (!config.get("releaseDownloads") && !config.get("releaseUploader")) return; // No need to run
document.head.appendChild(document.createElement("style")).textContent = `
/* Making more room for the additional info */
@media (min-width: 1012px) {
.col-lg-9 {
width: 60%; /* Originally ~75% */
}
}
.nowrap {
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
`;
})();
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