stash-pullrequest-linker.user.js

// ==UserScript==
// @name         Stash PR links for commits
// @namespace    https://gist.githubusercontent.com/hsingh23/67528e4193cf84cad3f1/raw/stash-pullrequest-linker.user.js
// @version      1.0.9
// @downloadURL  https://gist.githubusercontent.com/hsingh23/67528e4193cf84cad3f1/raw/stash-pullrequest-linker.user.js
// @updateURL    https://gist.githubusercontent.com/hsingh23/67528e4193cf84cad3f1/raw/stash-pullrequest-linker.user.js
// @description  Stash's commit view does not show you which pull request a commit belongs to. This script links it up as best as it can.
// @author       Harsh Singh
// @match        https://*/projects/*/repos/*/commits*
// @match        http://*/projects/*/repos/*/commits*
// @grant        none
// ==/UserScript==
/* jshint -W097 */

'use strict';

function querySelectorAllArray(query, dom) {
    dom = (dom)? dom: document;
    return Array.from(dom.querySelectorAll(query));
}

function debounce(func, wait, immediate) {
    var timeout;
    return function() {
        var context = this, args = arguments;
        var later = function() {
            timeout = null;
            if (!immediate) func.apply(context, args);
        };
        var callNow = immediate && !timeout;
        clearTimeout(timeout);
        timeout = setTimeout(later, wait);
        if (callNow) func.apply(context, args);
    };
}

function createPullRequestLinks() {
    var commitToMessageDom = {};
    querySelectorAllArray(".changesetid,.commitid").map(function(changeset) {
        commitToMessageDom[changeset.text] = changeset.parentElement.parentElement.querySelector(".message-subject");
    });

    querySelectorAllArray(".merge .message-subject").map(function(x) {
        var first_match = x.title.match(/Merge pull request #(\d+)/);
        if (first_match){
            var pull_request_id = first_match[1];
            var url = location.href.replace("commits","pull-requests") + "/"+ pull_request_id + "/overview";
            if (! x.getAttribute("wrapped")) {
                x.outerHTML = "<a href='" + url + "'>" + x.outerHTML + "</a>";
                x.setAttribute("wrapped", "true");
            }
            var second_match = x.title.match(/commit \'([\d\w]{11})/);
            if (second_match && second_match[1]) {
                var ref_commit = second_match[1];
                var message = commitToMessageDom[ref_commit];
                if ( message && !message.getAttribute("wrapped")) {
                    message.setAttribute("wrapped", "true");
                    commitToMessageDom[ref_commit].outerHTML = "<a href='" + url + "'>" + commitToMessageDom[ref_commit].outerHTML + "</a>";
                }
            }
        }
    });
}

createPullRequestLinks();
var observer = new MutationObserver(debounce(createPullRequestLinks, 500));
observer.observe(document.querySelector("#commits-table tbody"), { childList: true});