Disable yuque website hotkeys

disable website hotkeys which is implemented by JavaScript `addEventListener` and `stopImmediatePropagation` API.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

You will need to install an extension such as Tampermonkey to install this script.

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name           Disable yuque website hotkeys
// @description    disable website hotkeys which is implemented by JavaScript `addEventListener` and `stopImmediatePropagation` API.
// @author         yeshiqing
// @license        MIT
// @run-at         document-start
// @include        https://www.yuque.com/*
// @grant          none
// @version        0.0.6
// @namespace      https://github.com/yeshiqing/disable-website-hotkeys/yuque.js
// @icon           https://upload-images.jianshu.io/upload_images/1231311-1d5a2ebbd33475e1.png
// ==/UserScript==

// Disable these keys when no keyboard modifier is pressed
let std_keycodes = new Set([
    // Add keycodes as desired
    // 37, 38, 39, 40 // Arrow Keys.
]);

// Disable these keys when Meta key is pressed.
let meta_keycodes = new Set([
    // Add keycodes as desired
    13 // Command + enter
]);

// Disable these keys when Alt key is pressed.
let alt_keycodes = new Set([
    // Add keycodes as desired
    // 83 // Alt + S
]);


let isMac = navigator.platform.indexOf('Mac') >= 0;

window.addEventListener('keydown', function (e) {
    let keycode_set;
    if (isMac ? e.metaKey : e.ctrlKey) {
        keycode_set = meta_keycodes;
    } else if (e.altKey) {
        keycode_set = alt_keycodes;
    } else {
        keycode_set = std_keycodes;
    }

    if (keycode_set.has(e.keyCode)) {
        e.stopImmediatePropagation();
    }
}, true);