Enhance all github link with badges
Per
// ==UserScript==
// @namespace https://github.com/NateScarlet/Scripts/tree/master/user-script
// @name Github anchor enhance
// @description Enhance all github link with badges
// @version 16
// @grant GM.xmlHttpRequest
// @run-at document-end
// @include *
// ==/UserScript==
const reservedUsername = [
"topics",
"search",
"ghost",
"pulls",
"issues",
"marketplace",
"explore",
"discover",
"notifications",
"new",
"organizations",
"settings",
"site",
"about",
"contact",
"pricing",
"apps",
"features",
"password_reset",
];
const allBadgeClasses = [
"added-stars-badge",
"added-last-commit-badge",
"added-followers-badge",
];
class URLParseResult {
constructor({ user, repo }) {
this.user = user;
this.repo = repo;
}
equals(other) {
return other.repo === this.repo && other.user === this.user;
}
}
URLParseResult.EMPTY = new URLParseResult({});
function parseURL(v) {
const match = v.match(/^https?:\/\/github.com\/([^/]*?)(?:\/([^/]*?))?(?:\.git)?(?:[#?].*)?$/);
if (!match) {
return URLParseResult.EMPTY;
}
if (reservedUsername.includes(match[1])) {
return URLParseResult.EMPTY;
}
return new URLParseResult({
user: match[1],
repo: match[2],
});
}
async function appendBadge(el, className, url) {
if (el.classList.contains(className)) {
return;
}
return new Promise((resolve, reject) => {
GM.xmlHttpRequest({
method: "GET",
url: url,
onload: resp => {
if (resp.status === 200) {
if (!el.classList.contains(className)) {
const img = document.createElement("img");
img.src = `data:image/svg+xml;base64,${btoa(resp.response)}`;
const containerClassNames = [
"natescarlet-gmail-com",
"badge-container",
];
const selector = containerClassNames.map(i => "." + i).join("");
/** @type {HTMLElement} */
const container = el.querySelector(selector) || document.createElement("span");
el.appendChild(container);
container.classList.add(...containerClassNames);
container.append(img);
img.style.order = allBadgeClasses.indexOf(className).toString();
container.style.display = "inline-flex";
el.classList.add(className);
}
resolve();
}
reject(`${resp.status}: ${url}`);
},
onerror: reject,
});
});
}
async function appendStarsBadge(el) {
const { repo, user } = parseURL(el.href);
if (!(user && repo)) {
return;
}
await appendBadge(el, "added-stars-badge", `https://img.shields.io/github/stars/${user}/${repo}.svg?style=social`);
}
async function appendLastCommitBadge(el) {
const { repo, user } = parseURL(el.href);
if (!(user && repo)) {
return;
}
await appendBadge(el, "added-last-commit-badge", `https://img.shields.io/github/last-commit/${user}/${repo}.svg`);
}
async function appendFollowersBadge(el) {
const { user } = parseURL(el.href);
if (!user) {
return;
}
await appendBadge(el, "added-followers-badge", `https://img.shields.io/github/followers/${user}.svg?style=social`);
}
(async function () {
document.addEventListener("mouseover", async (e) => {
if (e.target instanceof HTMLAnchorElement) {
const el = e.target;
if (parseURL(location.href).equals(parseURL(el.href))) {
// Skip self link
return;
}
try {
await Promise.all([
appendStarsBadge(el),
appendLastCommitBadge(el),
appendFollowersBadge(el),
]);
}
catch (err) {
console.error(err);
}
}
}, {});
})();