'use client';
'use strict';

function parseHotkey(hotkey) {
  const keys = hotkey.toLowerCase().split("+").map((part) => part.trim());
  const modifiers = {
    alt: keys.includes("alt"),
    ctrl: keys.includes("ctrl"),
    meta: keys.includes("meta"),
    mod: keys.includes("mod"),
    shift: keys.includes("shift")
  };
  const reservedKeys = ["alt", "ctrl", "meta", "shift", "mod"];
  const freeKey = keys.find((key) => !reservedKeys.includes(key));
  return {
    ...modifiers,
    key: freeKey
  };
}
function isExactHotkey(hotkey, event) {
  const { alt, ctrl, meta, mod, shift, key } = hotkey;
  const { altKey, ctrlKey, metaKey, shiftKey, key: pressedKey } = event;
  if (alt !== altKey) {
    return false;
  }
  if (mod) {
    if (!ctrlKey && !metaKey) {
      return false;
    }
  } else {
    if (ctrl !== ctrlKey) {
      return false;
    }
    if (meta !== metaKey) {
      return false;
    }
  }
  if (shift !== shiftKey) {
    return false;
  }
  if (key && (pressedKey.toLowerCase() === key.toLowerCase() || event.code.replace("Key", "").toLowerCase() === key.toLowerCase())) {
    return true;
  }
  return false;
}
function getHotkeyMatcher(hotkey) {
  return (event) => isExactHotkey(parseHotkey(hotkey), event);
}
function getHotkeyHandler(hotkeys) {
  return (event) => {
    const _event = "nativeEvent" in event ? event.nativeEvent : event;
    hotkeys.forEach(([hotkey, handler, options = { preventDefault: true }]) => {
      if (getHotkeyMatcher(hotkey)(_event)) {
        if (options.preventDefault) {
          event.preventDefault();
        }
        handler(_event);
      }
    });
  };
}

exports.getHotkeyHandler = getHotkeyHandler;
exports.getHotkeyMatcher = getHotkeyMatcher;
exports.parseHotkey = parseHotkey;
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