GitHub PR List: Show Reviewers

Display reviewers with avatars next to PR title

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

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

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

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

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

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

(У мене вже є менеджер скриптів, дайте мені встановити його!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         GitHub PR List: Show Reviewers
// @version      1.3
// @description  Display reviewers with avatars next to PR title
// @license      GPL
// @match        https://github.com/*
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_xmlhttpRequest
// @namespace https://github.com/Myouboku
// ==/UserScript==

(function() {
    'use strict';

    const TOKEN_KEY = 'gh_token_v2';
    let token = GM_getValue(TOKEN_KEY);

    if (!token) {
        token = prompt(
            'GitHub token missing.\n' +
            'Create a token at: https://github.com/settings/tokens\n' +
            'Required permissions: repo (read)\n\n' +
            'Paste your token:'
        );

        if (!token || token.trim() === '') {
            console.log('GitHub PR Reviewers: token not provided');
            return;
        }

        token = token.trim();
        GM_setValue(TOKEN_KEY, token);
        alert('Token saved. Reload the page.');
        return;
    }

    const style = document.createElement('style');
    style.textContent = `
    .gh-reviewer-container {
        margin-left: 8px;
        display: inline-flex;
        align-items: center;
        vertical-align: middle;
    }
    .gh-reviewer-container a {
        text-decoration: none;
    }
    .gh-reviewer-avatar {
        width: 20px;
        height: 20px;
        border-radius: 50%;
        margin-left: -4px;
        background-color: var(--color-canvas-subtle);
        transition: margin-left 0.2s ease, transform 0.1s ease;
        position: relative;
        z-index: 1;
        box-shadow: 0 0 0 2px #6e7681;
    }
    .gh-reviewer-container a:first-child .gh-reviewer-avatar {
        margin-left: 0;
    }
    .gh-reviewer-container:hover a:not(:first-child) .gh-reviewer-avatar {
        margin-left: 8px;
    }
    .gh-reviewer-avatar:hover {
        transform: scale(1.2);
        z-index: 10;
    }
    .status-APPROVED {
        box-shadow: 0 0 0 2px #2da44e !important;
    }
    .status-CHANGES_REQUESTED {
        box-shadow: 0 0 0 2px #cf222e !important;
    }
    .status-COMMENTED {
        box-shadow: 0 0 0 2px #6e7681 !important;
    }
    .status-PENDING {
        box-shadow: 0 0 0 2px #D29922 !important;
    }
    `;
    document.head.appendChild(style);

    let reviewersData = {};
    let containersByPR = {};

    function processRows() {
        if (!window.location.href.includes('/pulls')) return;

        const repoMatch = window.location.pathname.match(
            /^\/([^/]+)\/([^/]+)\/pulls/
        );
        const isGlobalPage = window.location.pathname === '/pulls' ||
              window.location.pathname.startsWith('/pulls?');

        if (!repoMatch && !isGlobalPage) return;

        const prRows = Array.from(
            document.querySelectorAll(
                '.js-issue-row:not([data-rv-loaded="true"])'
            )
        );

        if (prRows.length === 0) return;

        const prsByRepo = new Map();

        prRows.forEach(row => {
            const link = row.querySelector(
                'a.js-navigation-open[data-hovercard-type="pull_request"]'
            );
            if (!link || row.offsetParent === null) return;

            row.setAttribute('data-rv-loaded', 'true');

            const prPath = link.getAttribute('href').split('/');
            const owner = prPath[1];
            const repo = prPath[2];
            const prNumber = parseInt(prPath[4]);

            const container = document.createElement('span');
            container.className = 'gh-reviewer-container';
            container.innerText = '..';

            containersByPR[prNumber] = container;
            link.parentNode.insertBefore(container, link.nextSibling);

            if (reviewersData[prNumber]) {
                renderReviewers(container, reviewersData[prNumber]);
            } else {
                const repoKey = `${owner}/${repo}`;
                if (!prsByRepo.has(repoKey)) {
                    prsByRepo.set(repoKey, { owner, repo, numbers: [] });
                }
                prsByRepo.get(repoKey).numbers.push(prNumber);
            }
        });

        prsByRepo.forEach(({ owner, repo, numbers }) => {
            fetchPRsReviewers(owner, repo, numbers);
        });
    }

    function fetchPRsReviewers(owner, repo, prNumbers) {
        const prFragments = prNumbers.map((num, i) => `
    pr${i}: pullRequest(number: ${num}) {
        number
        reviewRequests(first: 10) {
            nodes {
                requestedReviewer {
                    ... on User {
                        login
                        avatarUrl
                        url
                    }
                    ... on Bot {
                        login
                        avatarUrl
                        url
                    }
                }
            }
        }
        latestReviews(first: 10) {
            nodes {
                author {
                    ... on User {
                        login
                        avatarUrl
                        url
                    }
                    ... on Bot {
                        login
                        avatarUrl
                        url
                    }
                }
                state
                submittedAt
            }
        }
    }
`).join('\n');

        const query = `
        query($owner: String!, $repo: String!) {
            repository(owner: $owner, name: $repo) {
                ${prFragments}
            }
        }
    `;

        console.log("request");
        GM_xmlhttpRequest({
            method: "POST",
            url: "https://api.github.com/graphql",
            headers: {
                "Authorization": `Bearer ${token}`,
                "Content-Type": "application/json"
            },
            data: JSON.stringify({ query, variables: { owner, repo } }),
            onload: (res) => {
                if (res.status !== 200) {
                    console.error('GraphQL failed:', res.responseText);
                    return;
                }

                const data = JSON.parse(res.responseText);

                if (data.errors) {
                    console.error('GraphQL errors:', data.errors);
                    return;
                }

                const repository = data.data?.repository;
                if (!repository) return;

                Object.keys(repository).forEach(key => {
                    const pr = repository[key];
                    if (!pr || !pr.number) return;

                    const uniqueUsers = new Map();

                    (pr.latestReviews?.nodes || []).forEach(r => {
                        if (r.author && r.state !== 'DISMISSED') {
                            uniqueUsers.set(r.author.login, {
                                login: r.author.login,
                                avatar: r.author.avatarUrl,
                                url: r.author.url,
                                state: r.state,
                            });
                        }
                    });

                    (pr.reviewRequests?.nodes || []).forEach(rr => {
                        const reviewer = rr.requestedReviewer;
                        if (reviewer) {
                            uniqueUsers.set(reviewer.login, {
                                login: reviewer.login,
                                avatar: reviewer.avatarUrl,
                                url: reviewer.url,
                                state: 'PENDING',
                            });
                        }
                    });

                    reviewersData[pr.number] = Object.fromEntries(uniqueUsers);

                    const container = containersByPR[pr.number];
                    if (container) {
                        renderReviewers(container, reviewersData[pr.number]);
                    }
                });
            },
            onerror: (err) => {
                console.error('GraphQL request failed:', err);
            }
        });
    }

    function renderReviewers(container, users) {
        container.innerText = '';

        const usersMap =
              users instanceof Map ?
              users :
        new Map(Object.entries(users));

        if (usersMap.size === 0) {
            container.remove();
            return;
        }

        const prLink = container.previousSibling;
        const prPath = prLink?.getAttribute('href')?.split('/');
        const owner = prPath?.[1];
        const repo = prPath?.[2];

        usersMap.forEach(user => {
            if (user.state === 'DISMISSED') return;

            const link = document.createElement('a');
            link.href = `https://github.com/${owner}/${repo}/pulls?q=is%3Apr+reviewed-by%3A${user.login}+is%3Aopen`;
            link.style.textDecoration = 'none';

            const img = document.createElement('img');
            img.src = user.avatar;
            img.title = `${user.login} [${user.state}]`;
            img.className = `gh-reviewer-avatar status-${user.state}`;

            link.appendChild(img);
            container.appendChild(link);
        });
    }

    setInterval(processRows, 200);
})();