DeepL UI Cleaner

Streamlines DeepL's interface for translation-focused use by removing footers, cookie banners, and adding toggle buttons for sidebar and header

As of 30. 10. 2024. See the latest version.

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.

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

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         DeepL UI Cleaner
// @namespace    http://tampermonkey.net/
// @version      0.6
// @description  Streamlines DeepL's interface for translation-focused use by removing footers, cookie banners, and adding toggle buttons for sidebar and header
// @match        https://www.deepl.com/*
// @include      https://www.deepl.com/*
// @license      Unlicense
// @grant        none
// @run-at       document-idle
// ==/UserScript==

(function () {
    "use strict";

    // Define selectors for target elements
    const TARGETS = {
        remove: {
            footer: [
                "footer",
                ".relative.bg-neutral-next-50 > .mobile\\:hidden",
                '.bg-white[class*="px-0"][class*="xl:px-"][class*="md:px-"][class*="min-"][class*="px"]',
            ],
            cookieBanner: ['[id*="cookieBanner"]', '[class*="cookieBanner"]'],
            writePageElements: [
                '.bg-white.px-0[class*="xl:px-"][class*="px"][class*="md:px-"][class*="px"][class*="min-"][class*="px"][class*="px"]',
                '.mobile\\:hidden.p-8.px-0[class*="xl:px-"][class*="px"][class*="md:px-"][class*="px"][class*="min-"][class*="px"][class*="px"]',
                '.bg-white.min-\\[1280px\\]\\:px-\\[70px\\]'
            ],
        },
        toggle: {
            topHeader: 'header'
        },
    };

    // CSS styles for toggle buttons and initial header state
    const BUTTON_STYLES = `
        .toggle-button {
            position: fixed;
            z-index: 10000;
            width: 2em;
            height: 2em;
            background-color: rgba(240, 240, 240, 0.7);
            border: 1px solid #ccc;
            border-radius: 50%;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            transition: all 0.3s;
        }
        .toggle-button:hover {
            background-color: rgba(220, 220, 220, 0.9);
        }
        ${TARGETS.toggle.topHeader} {
            display: none !important;
        }
    `;

    // Function to inject CSS styles into the page
    function injectStyles() {
        const style = document.createElement("style");
        const hideSelectors = [
            ...Object.values(TARGETS.remove).flat(),
        ].join(", ");
        style.textContent = `
            ${hideSelectors} { display: none !important; }
            ${BUTTON_STYLES}
        `;
        (document.head || document.documentElement).appendChild(style);
    }

    // Function to remove unwanted elements from the page
    function removeElements() {
        Object.values(TARGETS.remove)
            .flat()
            .forEach((selector) => {
                document
                    .querySelectorAll(selector)
                    .forEach((element) => element.remove());
            });
    }

    // Function to create a toggle button
    function createToggleButton(
        showIcon,
        hideIcon,
        onClick,
        position,
        ariaLabel
    ) {
        const button = document.createElement("button");
        button.className = "toggle-button";
        button.textContent = showIcon;  // Starting with show icon since header is hidden
        button.setAttribute("aria-label", ariaLabel);
        button.addEventListener("click", onClick);
        Object.assign(button.style, position);
        return button;
    }

    // Function to adjust button positions based on header visibility
    function adjustButtonPositions() {
        const header = document.querySelector(TARGETS.toggle.topHeader);
        const topPosition =
            header && getComputedStyle(header).display !== "none"
                ? `${header.offsetHeight}px`
                : "0.5em";
        document.querySelectorAll(".toggle-button").forEach((button) => {
            button.style.top = topPosition;
        });
    }

    // Function to toggle visibility of elements
    function toggleElementVisibility(selector, button, showIcon, hideIcon) {
        const elements = document.querySelectorAll(selector);
        const isVisible = [...elements].some(
            (el) => getComputedStyle(el).display !== "none"
        );
        elements.forEach((el) =>
            el.style.setProperty("display", isVisible ? "none" : "block", "important")
        );
        button.textContent = isVisible ? showIcon : hideIcon;
        adjustButtonPositions();
    }

    // Function to initialize the script
    function init() {
        try {
            removeElements();

            const buttons = [
                {
                    selector: TARGETS.toggle.topHeader,
                    icons: ["▼", "▲"],
                    position: { left: "0.5em" },
                    ariaLabel: "Toggle header visibility",
                },
            ];

            buttons.forEach(
                ({ selector, icons: [showIcon, hideIcon], position, ariaLabel }) => {
                    const button = createToggleButton(
                        showIcon,
                        hideIcon,
                        () => toggleElementVisibility(selector, button, showIcon, hideIcon),
                        position,
                        ariaLabel
                    );
                    document.body.appendChild(button);
                }
            );

            adjustButtonPositions();

            // Set up MutationObserver to handle dynamically added elements
            const observer = new MutationObserver(() => {
                removeElements();
                adjustButtonPositions();
            });
            observer.observe(document.body, { childList: true, subtree: true, attributes: true });
        } catch (error) {
            console.error("DeepL UI Cleaner encountered an error:", error);
        }
    }

    // Inject styles immediately
    injectStyles();

    // Run initialization when DOM is ready
    if (document.readyState === "loading") {
        document.addEventListener("DOMContentLoaded", init);
    } else {
        init();
    }
})();