YouTube: 5 Videos Per Row

Changes the YouTube homepage to show you 5 videos per row and removing the weird left padding.

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         YouTube: 5 Videos Per Row
// @namespace    http://tampermonkey.net/
// @version      1.0.1
// @license MIT
// @description  Changes the YouTube homepage to show you 5 videos per row and removing the weird left padding.
// @author       Lemustache
// @match        https://www.youtube.com/*
// @grant        none
// ==/UserScript==


(function() {
    'use strict';

    // Desired number of videos per row
    const videosPerRow = 5;

    // Style ID
    const styleId = `youtube-${videosPerRow}-videos-per-row-updated`;

    // Debugging function
    function debugLog(message) {
        console.log(`[YouTube Layout Fix]: ${message}`);
    }

    // Error reporting
    function reportError(message, error) {
        console.error(`[YouTube Layout Fix - ERROR]: ${message}`);
        if (error) {
            console.error(error);
        }
    }

    // Apply the layout fix
    function applyLayoutFix(videosPerRow) {
        try {
            debugLog(`Applying layout fix for ${videosPerRow} videos per row...`);

            // Remove existing style
            const existingStyle = document.getElementById(styleId);
            if (existingStyle) {
                existingStyle.remove();
                debugLog('Removed existing style.');
            }

            const videoWidthPercentage = (100 / videosPerRow);
            const gap = 12;
            const adjustedWidth = `calc(${videoWidthPercentage}% - ${gap}px)`;

            const style = document.createElement('style');
            style.id = styleId;

            // More Specific and Robust CSS - Focus on Core Layout First
            style.textContent = `
                /* 1. Target the Rich Grid Renderer Directly */
                #contents.ytd-rich-grid-renderer {
                    display: flex !important; /* Essential for flexbox layout */
                    flex-wrap: wrap !important; /* Allow items to wrap to the next line */
                    gap: ${gap}px !important;   /* Space between videos */
                    width: 100% !important;   /* Ensure it takes full width */
                    margin: 0 !important;     /* Reset any default margins */
                    padding: 0 !important;    /* Reset any default padding */
                }

                /* 2. Target the Individual Video Items */
                ytd-rich-item-renderer {
                    flex: 0 0 ${adjustedWidth} !important; /* Flex basis: important for width */
                    max-width: ${adjustedWidth} !important; /* Maximum width */
                    margin-bottom: ${gap}px !important;  /* Consistent bottom margin */
                    padding: 0 !important;              /* Reset padding */
                    box-sizing: border-box !important;  /* Include padding/border in width */
                }

                 /*3. Address the is-in-first-column issue*/
                 ytd-rich-item-renderer[is-in-first-column] {
                        margin-left: 0 !important; /* Reset margin for first column items */
                 }

                 /*4. Thumbnail Styling: Ensure the thumbnail fills its container*/
                 ytd-rich-item-renderer #thumbnail {
                        width: 100% !important;
                        height: auto !important; /* Maintain aspect ratio */
                        display: block !important; /* Remove any inline spacing */
                 }

                 ytd-rich-item-renderer #thumbnail img {
                        width: 100% !important;
                        height: auto !important;
                        object-fit: cover !important; /* Prevent distortion */
                 }


                /* 5.  Important! Reset default styles that YouTube might be applying */
                ytd-rich-item-renderer {
                    margin: 0 !important;
                    padding: 0 !important;
                    border: 0 !important;
                    outline: 0 !important;
                }


                 /* 6. VERY SPECIFIC OVERRIDE */
                 #contents.ytd-rich-grid-renderer > ytd-rich-item-renderer[is-in-first-column] {
                    margin-left: 0 !important;
                 }
            `;

            document.head.appendChild(style);
            debugLog(`Applied style for ${videosPerRow} videos per row.`);

        } catch (error) {
            reportError("Error applying layout fix:", error);
        }
    }

    // Initialize the script
    function initialize() {
        try {
            applyLayoutFix(videosPerRow);
            debugLog('Initial layout fix applied.');

            // Apply layout fix on navigation
            window.addEventListener('yt-navigate-finish', () => {
                try {
                    applyLayoutFix(videosPerRow);
                    debugLog('Layout fix applied on navigation.');
                } catch (error) {
                    reportError("Error applying layout fix on navigation:", error);
                }
            });

            // Apply layout fix on window resize (handle responsive changes)
            window.addEventListener('resize', () => {
                try {
                    applyLayoutFix(videosPerRow);
                    debugLog('Layout fix applied on window resize.');
                } catch (error) {
                    reportError("Error applying layout fix on window resize:", error);
                }
            });
        } catch (error) {
            reportError("Error during initialization:", error);
        }
    }

    // Set up MutationObserver
    const observer = new MutationObserver(() => {
        try {
            applyLayoutFix(videosPerRow);
            debugLog('Layout fix applied due to mutation.');
        } catch (error) {
            reportError("Error applying layout fix during mutation:", error);
        }
    });

    // Start observing
    try {
        observer.observe(document.body, {
            childList: true,
            subtree: true
        });
        debugLog('MutationObserver started.');
    } catch (error) {
        reportError("Error setting up MutationObserver:", error);
    }

    // Initialize on load
    window.addEventListener('load', () => {
        try {
            initialize();
            debugLog('Page loaded, initialization complete.');
        } catch (error) {
            reportError("Error during window load:", error);
        }
    });

    // Attempt immediate initialization
    if (document.readyState === "complete" || document.readyState === "interactive") {
        try {
            initialize();
            debugLog('Page already loaded, immediate initialization.');
        } catch (error) {
            reportError("Error during immediate initialization:", error);
        }
    }
})();