TamperMonkey Jira Portfolio Cloud Child Issue Augmentation

jira-child-issue-status.js

// ==UserScript==
// @name       Jira child issue status
// @namespace  https://cravencode.com/
// @version    0.1
// @description  Adds child status to JIRA parent issues
// @match      https://*.atlassian.net/browse/*
// @copyright  2018, Cody Craven
// ==/UserScript==

(function() {
    'use strict';

    function getIssueKey() {
        const m = document.querySelector("meta[name='ajs-issuekey']");
        if (!m) {
            throw "Page is not an issue";
        }
        return m.getAttribute("content");
    }
    function getBaseURL() {
        const m = document.querySelector("meta[name='ajs-jira-base-url']");
        if (!m) {
            throw "Can not find base URL";
        }
        return m.getAttribute("content");
    }
    function getChildTable() {
        const t = document.querySelector(".jpo-child-issue-table");
        if (!t) {
            throw "Issue has no children";
        }
        return t;
    }
    function childrenIssues() {
        return fetch(`${getBaseURL()}/rest/api/2/search?jql="Parent Link"=${getIssueKey()}`)
            .then(response => response.json())
            .catch(error => { throw "API query for children failed" });
    }
    function addStatusToRow(statusEl, rowEl) {
        const td = document.createElement("td");
        td.appendChild(statusEl);
        rowEl.appendChild(td);
    }
    function addAssigneeToRow(assignee, rowEl) {
        const td = document.createElement("td");
        if (assignee) {
            td.textContent = assignee.displayName;
        }
        else {
            const em = document.createElement("em");
            em.textContent = "Unassigned";
            td.appendChild(em);
        }
        rowEl.appendChild(td);
    }
    function createStatusEl(status) {
        const s = document.createElement("span");
        switch(status) {
            case "Open":
                s.className = "jira-issue-status-lozenge aui-lozenge jira-issue-status-lozenge-blue-gray jira-issue-status-lozenge-new aui-lozenge-subtle jira-issue-status-lozenge-max-width-medium";
                break;
            case "Done":
                s.className = "jira-issue-status-lozenge aui-lozenge jira-issue-status-lozenge-green jira-issue-status-lozenge-done aui-lozenge-subtle jira-issue-status-lozenge-max-width-medium";
                break;
            default:
                s.className = "jira-issue-status-lozenge aui-lozenge jira-issue-status-lozenge-yellow jira-issue-status-lozenge-indeterminate aui-lozenge-subtle jira-issue-status-lozenge-max-width-medium";
        }
        s.textContent = status;
        return s;
    }
    function findIssueEl(issueKey, issueLinks) {
        for (let i = 0; i < issueLinks.length; i++) {
            if (issueLinks[i].textContent == issueKey) {
                return issueLinks[i];
            }
        }
    }
    try {
        const childTable = getChildTable();
        const children = childrenIssues().then(response => {
            const issueLinks = childTable.getElementsByTagName("a");
            response.issues.forEach(issue => {
                const linkEl = findIssueEl(issue.key, issueLinks);
                if (linkEl) {
                    const rowEl = linkEl.parentNode.parentNode;
                    addStatusToRow(createStatusEl(issue.fields.status.name), rowEl);
                    addAssigneeToRow(issue.fields.assignee, rowEl);
                }
            });
        });
    } catch (e) {
        console.error("Jira child issue status script failed:", e);
    }
})();