Pull request comment context

When viewing a commit in a PR, automatically add the current URL to newly opened comments, to show the context in which the reviewer made the comment.

Verze ze dne 12. 09. 2025. Zobrazit nejnovější verzi.

Nainstalovat skript ?

Zeptejte se na otázku, přidejte recenzi nebo skript nahlašte.

Wrap lines

// ==UserScript==
// @name         Pull request comment context
// @namespace    http://stderr.nl
// @version      2025-09-12
// @description  When viewing a commit in a PR, automatically add the current URL to newly opened comments, to show the context in which the reviewer made the comment.
// @author       Matthijs Kooijman <[email protected]>
// @license      CC0-1.0-Universal, https://creativecommons.org/publicdomain/zero/1.0/
// @homepage     https://codeberg.org/matthijs/greasemonkey-pr-comment-context
// @match        https://github.com/*
// @grant        none
// ==/UserScript==

// This script has no URL filter above, since github dynamically loads pages, so we also dynamically match the current URL
const URL_MATCH = /https:\/\/github.com\/[^\/]*\/[^\/]*\/pull\/[^\/]*\/commits\/.*/;

(function() {
    'use strict';

    const PREFIX = "Comment about "

    function process(textarea) {
        if (textarea.textContent.startsWith(PREFIX)) {
            console.log("Not modifiying textarea, already has prefix", textarea);
        } else {
            console.log("Adding URL to textarea", textarea);
            textarea.prepend(PREFIX + window.location + "\n\n");
        }
    }

    new MutationObserver(function(mutationsList, observer) {
        if (!document.location.toString().match(URL_MATCH)) {
            return;
        }

        for(const mutation of mutationsList) {
            if (mutation.type === 'childList') {
                for(const node of mutation.addedNodes) {
                    if (node.classList && node.classList.contains('inline-comments')) {
                        const textarea = node.querySelector('textarea.js-comment-field');
                        process(textarea);
                    }
                }
            }
        }
    }).observe(document.body, {childList: true, subtree: true});
})();