zulip_hotkeys.user.js

// ==UserScript==
// @name        zulip hotkeys fix
// @namespace   Violentmonkey Scripts
// @match       https://chat.zulip.org/
// @grant       none
// @version     1.0
// @author      kapsh
// @description Make zulip hotkeys work on any (?) layout (see https://github.com/zulip/zulip/issues/7517)
// @downloadURL https://gist.github.com/kapsh/afdac0d51b3be1efa8f28f65bd626d00/raw/zulip_hotkeys.user.js
// @updateURL   https://gist.github.com/kapsh/afdac0d51b3be1efa8f28f65bd626d00/raw/zulip_hotkeys.user.js
// ==/UserScript==

(() => {

  // Map KeyboardEvent.code used in hotkey.js to .which values from english layout
  const scanCodes = {
    "KeyC": 99,
    "KeyD": 100,
    "KeyE": 101,
    "KeyG": 103,
    "KeyH": 104,
    "KeyI": 105,
    "KeyJ": 106,
    "KeyK": 107,
    "KeyL": 108,
    "KeyN": 110,
    "KeyP": 112,
    "KeyQ": 113,
    "KeyR": 114,
    "KeyS": 115,
    "KeyT": 116,
    "KeyU": 117,
    "KeyV": 118,
    "KeyW": 119,
    "KeyX": 120,
    "Slash": 47,
  }  
  const scanCodesShift = {
    "KeyA": 65,
    "KeyC": 67,
    "KeyD": 68,
    "KeyG": 71,
    "KeyJ": 74,
    "KeyK": 75,
    "KeyM": 77,
    "KeyP": 80,
    "KeyR": 82,
    "KeyS": 83,
    "KeyV": 86,
    "Digit2": 64,
    "Period": 62,
    "Semicolon": 58,
    "Slash": 63,
  }
  
  function loggedAction(funcName, hotkey) {
    console.log(`${funcName} detected ${hotkey? hotkey.name : "none"}`);
    return hotkey;
  }
  
  function wrapHotkeyFunc(name) {
    var orig = window.hotkey[name];
    window.hotkey[name] = (e) => {
      e.which = (e.shiftKey? scanCodesShift[e.code] : scanCodes[e.code]) || e.which
      // return loggedAction(name, orig(e));
      return orig(e);
    }
  }
  
  wrapHotkeyFunc("get_keydown_hotkey");
  wrapHotkeyFunc("get_keypress_hotkey");

})()