GitHub Actions - Collapsible & Resizable Sidebar

Makes the GitHub Actions sidebar collapsible and resizable

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 or Violentmonkey 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 Actions - Collapsible & Resizable Sidebar
// @namespace    https://github.com/
// @version      2.0
// @description  Makes the GitHub Actions sidebar collapsible and resizable
// @author       chaoscreater
// @match        https://github.com/*/actions/runs/*/job/*
// @match        https://github.*.co.nz/*/*/actions/runs/*/job/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    // Only run on matching pages
    const isActionsPage = /\/actions\/runs\/\d+\/job\/\d+/.test(window.location.pathname);
    if (!isActionsPage) return;

    // Wait for the sidebar to be available
    function waitForSidebar() {
        const sidebar = document.querySelector('[data-target="split-page-layout.pane"]');
        const contentArea = document.querySelector('[data-target="split-page-layout.content"]');
        if (sidebar && contentArea) {
            initializeSidebar(sidebar, contentArea);
        } else {
            setTimeout(waitForSidebar, 100);
        }
    }

    function initializeSidebar(sidebar, contentArea) {
        // Prevent double initialization
        if (sidebar.classList.contains('gh-actions-initialized')) return;
        sidebar.classList.add('gh-actions-initialized');

        // Find the parent container
        const parentContainer = sidebar.parentElement;

        // Add styles
        const style = document.createElement('style');
        style.textContent = `
            /* Force parent to be flex container */
            [data-view-component="true"].PageLayout-columns {
                display: flex !important;
                flex-direction: row !important;
            }

            .gh-actions-sidebar-wrapper {
                position: relative;
                transition: width 0.3s ease, min-width 0.3s ease;
                flex-shrink: 0 !important;
            }

            .gh-actions-sidebar-collapsed {
                width: 40px !important;
                min-width: 40px !important;
                max-width: 40px !important;
                overflow: hidden !important;
            }

            .gh-actions-sidebar-collapsed > *:not(.gh-actions-toggle-btn) {
                display: none !important;
            }

            .gh-actions-content-area {
                flex: 1 1 auto !important;
                min-width: 0 !important;
                width: auto !important;
                max-width: none !important;
            }

            .gh-actions-toggle-btn {
                position: absolute;
                top: 10px;
                right: 5px;
                width: 24px;
                height: 24px;
                background: #0969da;
                color: white;
                border: 2px solid #ffffff;
                border-radius: 50%;
                cursor: pointer;
                display: flex;
                align-items: center;
                justify-content: center;
                z-index: 1000;
                font-size: 12px;
                box-shadow: 0 2px 4px rgba(0,0,0,0.2);
                transition: background 0.2s;
            }

            .gh-actions-toggle-btn:hover {
                background: #0860ca;
            }

            .gh-actions-resize-handle {
                position: absolute;
                top: 0;
                right: 0;
                width: 5px;
                height: 100%;
                cursor: col-resize;
                background: rgba(128, 128, 128, 0.4);
                border-right: 1px solid rgba(128, 128, 128, 0.6);
                z-index: 999;
                transition: all 0.2s;
            }

            .gh-actions-resize-handle:hover {
                background: rgba(9, 105, 218, 0.5);
                border-right: 2px solid #0969da;
            }

            .gh-actions-resizing * {
                user-select: none !important;
                cursor: col-resize !important;
            }
        `;
        document.head.appendChild(style);

        // Setup parent container
        if (parentContainer) {
            parentContainer.style.display = 'flex';
            parentContainer.style.flexDirection = 'row';
        }

        // Wrap sidebar and content area
        sidebar.classList.add('gh-actions-sidebar-wrapper');
        contentArea.classList.add('gh-actions-content-area');

        // Create toggle button
        const toggleBtn = document.createElement('button');
        toggleBtn.className = 'gh-actions-toggle-btn';
        toggleBtn.innerHTML = '◀';
        toggleBtn.title = 'Toggle sidebar';
        sidebar.appendChild(toggleBtn);

        // Create resize handle
        const resizeHandle = document.createElement('div');
        resizeHandle.className = 'gh-actions-resize-handle';
        sidebar.appendChild(resizeHandle);

        // Load saved state
        const savedWidth = localStorage.getItem('gh-actions-sidebar-width');
        const isCollapsed = localStorage.getItem('gh-actions-sidebar-collapsed') === 'true';

        if (savedWidth && !isCollapsed) {
            sidebar.style.width = savedWidth;
            sidebar.style.minWidth = savedWidth;
        }

        if (isCollapsed) {
            sidebar.classList.add('gh-actions-sidebar-collapsed');
            toggleBtn.innerHTML = '▶';
        }

        // Toggle functionality
        toggleBtn.addEventListener('click', (e) => {
            e.stopPropagation();
            const collapsed = sidebar.classList.toggle('gh-actions-sidebar-collapsed');
            toggleBtn.innerHTML = collapsed ? '▶' : '◀';
            localStorage.setItem('gh-actions-sidebar-collapsed', collapsed);
        });

        // Resize functionality
        let isResizing = false;
        let startX = 0;
        let startWidth = 0;

        resizeHandle.addEventListener('mousedown', (e) => {
            if (sidebar.classList.contains('gh-actions-sidebar-collapsed')) return;
            isResizing = true;
            startX = e.clientX;
            startWidth = sidebar.offsetWidth;
            document.body.classList.add('gh-actions-resizing');
            e.preventDefault();
        });

        document.addEventListener('mousemove', (e) => {
            if (!isResizing) return;
            const width = startWidth + (e.clientX - startX);
            if (width >= 200 && width <= 600) {
                sidebar.style.width = width + 'px';
                sidebar.style.minWidth = width + 'px';
            }
        });

        document.addEventListener('mouseup', () => {
            if (isResizing) {
                isResizing = false;
                document.body.classList.remove('gh-actions-resizing');
                localStorage.setItem('gh-actions-sidebar-width', sidebar.style.width);
            }
        });
    }

    // Start the script
    waitForSidebar();

    // Handle navigation changes (for SPA behavior)
    let lastUrl = location.href;
    new MutationObserver(() => {
        const url = location.href;
        if (url !== lastUrl) {
            lastUrl = url;
            const isStillActionsPage = /\/actions\/runs\/\d+\/job\/\d+/.test(window.location.pathname);
            if (isStillActionsPage) {
                waitForSidebar();
            }
        }
    }).observe(document, { subtree: true, childList: true });
})();