GitHub Release - Strip Hash Prefix

On GitHub release pages, strips the "sha256:" (and other hash) prefix when copying asset checksums

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         GitHub Release - Strip Hash Prefix
// @namespace    https://github.com/anon
// @version      1.0
// @description  On GitHub release pages, strips the "sha256:" (and other hash) prefix when copying asset checksums
// @match        https://github.com/*/*/releases*
// @grant        none
// @license      CC-BY-NC-SA-4.0
// ==/UserScript==

(function() {
    'use strict';

    const HASH_PREFIXES = /^(sha256|sha1|sha512|sha384|md5|sha224|sha3_256|sha3_384|sha3_512|sha3_224):/;

    function stripPrefix(value) {
        const match = value.match(HASH_PREFIXES);
        return match ? value.slice(match[0].length) : value;
    }

    function wireClipboardCopy(el) {
        if (el.dataset.hashStripped) return;
        const origValue = el.getAttribute('value');
        if (!origValue || !HASH_PREFIXES.test(origValue)) return;

        el.setAttribute('value', stripPrefix(origValue));
        el.dataset.hashStripped = '1';

        // Update the displayed text span
        const truncateText = el.closest('.Box-row')?.querySelector('.Truncate-text');
        if (truncateText) {
            truncateText.textContent = stripPrefix(truncateText.textContent);
        }
    }

    function scan() {
        document.querySelectorAll('clipboard-copy').forEach(wireClipboardCopy);
    }

    scan();

    new MutationObserver(mutations => {
        for (const m of mutations) {
            for (const node of m.addedNodes) {
                if (node.nodeType !== 1) continue;
                if (node.matches && node.matches('clipboard-copy')) {
                    wireClipboardCopy(node);
                }
                if (node.querySelectorAll) {
                    node.querySelectorAll('clipboard-copy').forEach(wireClipboardCopy);
                }
            }
        }
    }).observe(document.documentElement, { childList: true, subtree: true });
})();