Displays the creation date of a GitHub repository when clicked.
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// ==UserScript==
// @name GitHub Creation Date
// @namespace Violentmonkey Scripts
// @match https://github.com/*/*
// @grant none
// @version 1.0
// @author -
// @description Displays the creation date of a GitHub repository when clicked.
// @run-at document-end
// @license MIT
// ==/UserScript==
(function () {
"use strict";
const createButton = (text, styles = {}) => {
const button = document.createElement("button");
button.textContent = text;
Object.assign(button.style, {
marginLeft: "10px",
padding: "3px 6px",
cursor: "pointer",
backgroundColor: "#0366d6",
color: "#fff",
border: "none",
borderRadius: "3px",
fontSize: "12px",
lineHeight: "1.5",
...styles,
});
return button;
};
const fetchRepoInfo = async (owner, repo) => {
const apiUrl = `https://api.github.com/repos/${owner}/${repo}`;
const response = await fetch(apiUrl, {
headers: { Accept: "application/vnd.github.v3+json" },
});
if (!response.ok) {
throw new Error(
`Failed to fetch repository info (Status: ${response.status})`
);
}
return response.json();
};
const init = () => {
const repoTitleComponent = document.querySelector(
'div[id="repo-title-component"]'
);
if (!repoTitleComponent) {
console.error("Could not find the repository title component.");
return;
}
const button = createButton("Creation Date");
repoTitleComponent.appendChild(button);
button.addEventListener("click", async () => {
const [, owner, repo] = window.location.pathname.split("/");
if (!owner || !repo) {
alert("Invalid repository URL.");
return;
}
try {
const repoInfo = await fetchRepoInfo(owner, repo);
alert(
`'${repo}' was created on: ${new Date(
repoInfo.created_at
).toLocaleString()}`
);
} catch (error) {
alert(`Error: ${error.message}`);
}
});
};
init();
})();