(function(global, factory) {
  typeof exports === "object" && typeof module !== "undefined" ? module.exports = factory() : typeof define === "function" && define.amd ? define(factory) : (global = typeof globalThis !== "undefined" ? globalThis : global || self, global.hotkeys = factory());
})(this, function() {
  "use strict";/*!
 * hotkeys-js v4.0.4
 * A simple micro-library for defining and dispatching keyboard shortcuts. It has no dependencies.
 * 
 * @author kenny wong <wowohoo@qq.com>
 * @license MIT
 * @homepage https://jaywcjlove.github.io/hotkeys-js
 */

  const isff = typeof navigator !== "undefined" ? navigator.userAgent.toLowerCase().indexOf("firefox") > 0 : false;
  function addEvent(object, event, method, useCapture) {
    if (object.addEventListener) {
      object.addEventListener(event, method, useCapture);
    } else if (object.attachEvent) {
      object.attachEvent(`on${event}`, method);
    }
  }
  function removeEvent(object, event, method, useCapture) {
    if (!object) return;
    if (object.removeEventListener) {
      object.removeEventListener(event, method, useCapture);
    } else if (object.detachEvent) {
      object.detachEvent(`on${event}`, method);
    }
  }
  function getMods(modifier, key) {
    const modsKeys = key.slice(0, key.length - 1);
    const modsCodes = [];
    for (let i = 0; i < modsKeys.length; i++) {
      modsCodes.push(modifier[modsKeys[i].toLowerCase()]);
    }
    return modsCodes;
  }
  function getKeys(key) {
    if (typeof key !== "string") key = "";
    key = key.replace(/\s/g, "");
    const keys = key.split(",");
    let index = keys.lastIndexOf("");
    for (; index >= 0; ) {
      keys[index - 1] += ",";
      keys.splice(index, 1);
      index = keys.lastIndexOf("");
    }
    return keys;
  }
  function compareArray(a1, a2) {
    const arr1 = a1.length >= a2.length ? a1 : a2;
    const arr2 = a1.length >= a2.length ? a2 : a1;
    let isIndex = true;
    for (let i = 0; i < arr1.length; i++) {
      if (arr2.indexOf(arr1[i]) === -1) isIndex = false;
    }
    return isIndex;
  }
  function getLayoutIndependentKeyCode(event) {
    let key = event.keyCode || event.which || event.charCode;
    if (event.key && /^[a-z]$/i.test(event.key)) {
      return event.key.toUpperCase().charCodeAt(0);
    }
    if (event.code && /^Key[A-Z]$/.test(event.code)) {
      key = event.code.charCodeAt(3);
    }
    return key;
  }
  const _keyMap = {
    backspace: 8,
    "⌫": 8,
    tab: 9,
    clear: 12,
    enter: 13,
    "↩": 13,
    return: 13,
    esc: 27,
    escape: 27,
    space: 32,
    left: 37,
    up: 38,
    right: 39,
    down: 40,
    /// https://w3c.github.io/uievents/#events-keyboard-key-location
    arrowup: 38,
    arrowdown: 40,
    arrowleft: 37,
    arrowright: 39,
    del: 46,
    delete: 46,
    ins: 45,
    insert: 45,
    home: 36,
    end: 35,
    pageup: 33,
    pagedown: 34,
    capslock: 20,
    num_0: 96,
    num_1: 97,
    num_2: 98,
    num_3: 99,
    num_4: 100,
    num_5: 101,
    num_6: 102,
    num_7: 103,
    num_8: 104,
    num_9: 105,
    num_multiply: 106,
    num_add: 107,
    num_enter: 108,
    num_subtract: 109,
    num_decimal: 110,
    num_divide: 111,
    "⇪": 20,
    ",": 188,
    ".": 190,
    "/": 191,
    "`": 192,
    "-": isff ? 173 : 189,
    "=": isff ? 61 : 187,
    ";": isff ? 59 : 186,
    "'": 222,
    "{": 219,
    "}": 221,
    "[": 219,
    "]": 221,
    "\\": 220
  };
  const _modifier = {
    // shiftKey
    "⇧": 16,
    shift: 16,
    // altKey
    "⌥": 18,
    alt: 18,
    option: 18,
    // ctrlKey
    "⌃": 17,
    ctrl: 17,
    control: 17,
    // metaKey
    "⌘": 91,
    cmd: 91,
    meta: 91,
    command: 91
  };
  const modifierMap = {
    16: "shiftKey",
    18: "altKey",
    17: "ctrlKey",
    91: "metaKey",
    shiftKey: 16,
    ctrlKey: 17,
    altKey: 18,
    metaKey: 91
  };
  const _mods = {
    16: false,
    18: false,
    17: false,
    91: false
  };
  const _handlers = {};
  for (let k = 1; k < 20; k++) {
    _keyMap[`f${k}`] = 111 + k;
  }
  let _downKeys = [];
  let winListendFocus = null;
  let winListendFullscreen = null;
  let _scope = "all";
  const elementEventMap = /* @__PURE__ */ new Map();
  const code = (x) => _keyMap[x.toLowerCase()] || _modifier[x.toLowerCase()] || x.toUpperCase().charCodeAt(0);
  const getKey = (x) => Object.keys(_keyMap).find((k) => _keyMap[k] === x);
  const getModifier = (x) => Object.keys(_modifier).find((k) => _modifier[k] === x);
  const setScope = (scope) => {
    _scope = scope || "all";
  };
  const getScope = () => {
    return _scope || "all";
  };
  const getPressedKeyCodes = () => {
    return _downKeys.slice(0);
  };
  const getPressedKeyString = () => {
    return _downKeys.map(
      (c) => getKey(c) || getModifier(c) || String.fromCharCode(c)
    );
  };
  const getAllKeyCodes = () => {
    const result = [];
    Object.keys(_handlers).forEach((k) => {
      _handlers[k].forEach(({ key, scope, mods, shortcut }) => {
        result.push({
          scope,
          shortcut,
          mods,
          keys: key.split("+").map((v) => code(v))
        });
      });
    });
    return result;
  };
  const filter = (event) => {
    const target = event.target || event.srcElement;
    const { tagName } = target;
    let flag = true;
    const isInput = tagName === "INPUT" && ![
      "checkbox",
      "radio",
      "range",
      "button",
      "file",
      "reset",
      "submit",
      "color"
    ].includes(target.type);
    if (target.isContentEditable || (isInput || tagName === "TEXTAREA" || tagName === "SELECT") && !target.readOnly) {
      flag = false;
    }
    return flag;
  };
  const isPressed = (keyCode) => {
    if (typeof keyCode === "string") {
      keyCode = code(keyCode);
    }
    return _downKeys.indexOf(keyCode) !== -1;
  };
  const deleteScope = (scope, newScope) => {
    let handlers;
    let i;
    if (!scope) scope = getScope();
    for (const key in _handlers) {
      if (Object.prototype.hasOwnProperty.call(_handlers, key)) {
        handlers = _handlers[key];
        for (i = 0; i < handlers.length; ) {
          if (handlers[i].scope === scope) {
            const deleteItems = handlers.splice(i, 1);
            deleteItems.forEach(({ element }) => removeKeyEvent(element));
          } else {
            i++;
          }
        }
      }
    }
    if (getScope() === scope) setScope(newScope || "all");
  };
  function clearModifier(event) {
    let key = getLayoutIndependentKeyCode(event);
    if (event.key && event.key.toLowerCase() === "capslock") {
      key = code(event.key);
    }
    const i = _downKeys.indexOf(key);
    if (i >= 0) {
      _downKeys.splice(i, 1);
    }
    if (event.key && event.key.toLowerCase() === "meta") {
      _downKeys.splice(0, _downKeys.length);
    }
    if (key === 93 || key === 224) key = 91;
    if (key in _mods) {
      _mods[key] = false;
      for (const k in _modifier)
        if (_modifier[k] === key) hotkeys2[k] = false;
    }
  }
  const unbind = (keysInfo, ...args) => {
    if (typeof keysInfo === "undefined") {
      Object.keys(_handlers).forEach((key) => {
        if (Array.isArray(_handlers[key])) {
          _handlers[key].forEach((info) => eachUnbind(info));
        }
        delete _handlers[key];
      });
      removeKeyEvent(null);
    } else if (Array.isArray(keysInfo)) {
      keysInfo.forEach((info) => {
        if (info.key) eachUnbind(info);
      });
    } else if (typeof keysInfo === "object") {
      if (keysInfo.key) eachUnbind(keysInfo);
    } else if (typeof keysInfo === "string") {
      let [scope, method] = args;
      if (typeof scope === "function") {
        method = scope;
        scope = "";
      }
      eachUnbind({
        key: keysInfo,
        scope,
        method,
        splitKey: "+"
      });
    }
  };
  const eachUnbind = ({
    key,
    scope,
    method,
    splitKey = "+"
  }) => {
    const multipleKeys = getKeys(key);
    multipleKeys.forEach((originKey) => {
      const unbindKeys = originKey.split(splitKey);
      const len = unbindKeys.length;
      const lastKey = unbindKeys[len - 1];
      const keyCode = lastKey === "*" ? "*" : code(lastKey);
      if (!_handlers[keyCode]) return;
      if (!scope) scope = getScope();
      const mods = len > 1 ? getMods(_modifier, unbindKeys) : [];
      const unbindElements = [];
      _handlers[keyCode] = _handlers[keyCode].filter((record) => {
        const isMatchingMethod = method ? record.method === method : true;
        const isUnbind = isMatchingMethod && record.scope === scope && compareArray(record.mods, mods);
        if (isUnbind) unbindElements.push(record.element);
        return !isUnbind;
      });
      unbindElements.forEach((element) => removeKeyEvent(element));
    });
  };
  function eventHandler(event, handler, scope, element) {
    if (handler.element !== element) {
      return;
    }
    let modifiersMatch;
    if (handler.scope === scope || handler.scope === "all") {
      modifiersMatch = handler.mods.length > 0;
      for (const y in _mods) {
        if (Object.prototype.hasOwnProperty.call(_mods, y)) {
          if (!_mods[y] && handler.mods.indexOf(+y) > -1 || _mods[y] && handler.mods.indexOf(+y) === -1) {
            modifiersMatch = false;
          }
        }
      }
      if (handler.mods.length === 0 && !_mods[16] && !_mods[18] && !_mods[17] && !_mods[91] || modifiersMatch || handler.shortcut === "*") {
        handler.keys = [];
        handler.keys = handler.keys.concat(_downKeys);
        if (handler.method(event, handler) === false) {
          if (event.preventDefault) event.preventDefault();
          else event.returnValue = false;
          if (event.stopPropagation) event.stopPropagation();
          if (event.cancelBubble) event.cancelBubble = true;
        }
      }
    }
  }
  function dispatch(event, element) {
    const asterisk = _handlers["*"];
    let key = getLayoutIndependentKeyCode(event);
    if (event.key && event.key.toLowerCase() === "capslock") {
      return;
    }
    const filterFn = hotkeys2.filter || filter;
    if (!filterFn.call(this, event)) return;
    if (key === 93 || key === 224) key = 91;
    if (_downKeys.indexOf(key) === -1 && key !== 229) _downKeys.push(key);
    ["metaKey", "ctrlKey", "altKey", "shiftKey"].forEach((keyName) => {
      const keyNum = modifierMap[keyName];
      if (event[keyName] && _downKeys.indexOf(keyNum) === -1) {
        _downKeys.push(keyNum);
      } else if (!event[keyName] && _downKeys.indexOf(keyNum) > -1) {
        _downKeys.splice(_downKeys.indexOf(keyNum), 1);
      } else if (keyName === "metaKey" && event[keyName]) {
        _downKeys = _downKeys.filter((k) => k in modifierMap || k === key);
      }
    });
    if (key in _mods) {
      _mods[key] = true;
      for (const k in _modifier) {
        if (Object.prototype.hasOwnProperty.call(_modifier, k)) {
          const eventKey = modifierMap[_modifier[k]];
          hotkeys2[k] = event[eventKey];
        }
      }
      if (!asterisk) return;
    }
    for (const e in _mods) {
      if (Object.prototype.hasOwnProperty.call(_mods, e)) {
        _mods[e] = event[modifierMap[e]];
      }
    }
    if (event.getModifierState && !(event.altKey && !event.ctrlKey) && event.getModifierState("AltGraph")) {
      if (_downKeys.indexOf(17) === -1) {
        _downKeys.push(17);
      }
      if (_downKeys.indexOf(18) === -1) {
        _downKeys.push(18);
      }
      _mods[17] = true;
      _mods[18] = true;
    }
    const scope = getScope();
    if (asterisk) {
      for (let i = 0; i < asterisk.length; i++) {
        if (asterisk[i].scope === scope && (event.type === "keydown" && asterisk[i].keydown || event.type === "keyup" && asterisk[i].keyup)) {
          eventHandler(event, asterisk[i], scope, element);
        }
      }
    }
    if (!(key in _handlers)) return;
    const handlerKey = _handlers[key];
    const keyLen = handlerKey.length;
    for (let i = 0; i < keyLen; i++) {
      if (event.type === "keydown" && handlerKey[i].keydown || event.type === "keyup" && handlerKey[i].keyup) {
        if (handlerKey[i].key) {
          const record = handlerKey[i];
          const { splitKey } = record;
          const keyShortcut = record.key.split(splitKey);
          const _downKeysCurrent = [];
          for (let a = 0; a < keyShortcut.length; a++) {
            _downKeysCurrent.push(code(keyShortcut[a]));
          }
          if (_downKeysCurrent.sort().join("") === _downKeys.sort().join("")) {
            eventHandler(event, record, scope, element);
          }
        }
      }
    }
  }
  const hotkeys2 = function hotkeys22(key, option, method) {
    _downKeys = [];
    const keys = getKeys(key);
    let mods = [];
    let scope = "all";
    let element = document;
    let i = 0;
    let keyup = false;
    let keydown = true;
    let splitKey = "+";
    let capture = false;
    let single = false;
    if (method === void 0 && typeof option === "function") {
      method = option;
    }
    if (Object.prototype.toString.call(option) === "[object Object]") {
      const opts = option;
      if (opts.scope) scope = opts.scope;
      if (opts.element) element = opts.element;
      if (opts.keyup) keyup = opts.keyup;
      if (opts.keydown !== void 0) keydown = opts.keydown;
      if (opts.capture !== void 0) capture = opts.capture;
      if (typeof opts.splitKey === "string") splitKey = opts.splitKey;
      if (opts.single === true) single = true;
    }
    if (typeof option === "string") scope = option;
    if (single) unbind(key, scope);
    for (; i < keys.length; i++) {
      const currentKey = keys[i].split(splitKey);
      mods = [];
      if (currentKey.length > 1) mods = getMods(_modifier, currentKey);
      let finalKey = currentKey[currentKey.length - 1];
      finalKey = finalKey === "*" ? "*" : code(finalKey);
      if (!(finalKey in _handlers)) _handlers[finalKey] = [];
      _handlers[finalKey].push({
        keyup,
        keydown,
        scope,
        mods,
        shortcut: keys[i],
        method,
        key: keys[i],
        splitKey,
        element
      });
    }
    if (typeof element !== "undefined" && typeof window !== "undefined") {
      if (!elementEventMap.has(element)) {
        const keydownListener = (event = window.event) => dispatch(event, element);
        const keyupListenr = (event = window.event) => {
          dispatch(event, element);
          clearModifier(event);
        };
        elementEventMap.set(element, { keydownListener, keyupListenr, capture });
        addEvent(element, "keydown", keydownListener, capture);
        addEvent(element, "keyup", keyupListenr, capture);
      }
      if (!winListendFocus) {
        const listener = () => {
          _downKeys = [];
        };
        winListendFocus = { listener, capture };
        addEvent(window, "focus", listener, capture);
      }
      if (!winListendFullscreen && typeof document !== "undefined") {
        const onFullscreenChange = () => {
          _downKeys = [];
          for (const k in _mods) _mods[k] = false;
          for (const k in _modifier) hotkeys22[k] = false;
        };
        const fullscreenListener = onFullscreenChange;
        const webkitListener = onFullscreenChange;
        document.addEventListener("fullscreenchange", fullscreenListener);
        document.addEventListener("webkitfullscreenchange", webkitListener);
        winListendFullscreen = { fullscreen: fullscreenListener, webkit: webkitListener };
      }
    }
  };
  function trigger(shortcut, scope = "all") {
    Object.keys(_handlers).forEach((key) => {
      const dataList = _handlers[key].filter(
        (item) => item.scope === scope && item.shortcut === shortcut
      );
      dataList.forEach((data) => {
        if (data && data.method) {
          data.method({}, data);
        }
      });
    });
  }
  function removeKeyEvent(element) {
    const values = Object.values(_handlers).flat();
    const findindex = values.findIndex(({ element: el }) => el === element);
    if (findindex < 0 && element) {
      const { keydownListener, keyupListenr, capture } = elementEventMap.get(element) || {};
      if (keydownListener && keyupListenr) {
        removeEvent(element, "keyup", keyupListenr, capture);
        removeEvent(element, "keydown", keydownListener, capture);
        elementEventMap.delete(element);
      }
    }
    if (values.length <= 0 || elementEventMap.size <= 0) {
      const eventKeys = Array.from(elementEventMap.keys());
      eventKeys.forEach((el) => {
        const { keydownListener, keyupListenr, capture } = elementEventMap.get(el) || {};
        if (keydownListener && keyupListenr) {
          removeEvent(el, "keyup", keyupListenr, capture);
          removeEvent(el, "keydown", keydownListener, capture);
          elementEventMap.delete(el);
        }
      });
      elementEventMap.clear();
      Object.keys(_handlers).forEach((key) => delete _handlers[key]);
      if (winListendFocus) {
        const { listener, capture } = winListendFocus;
        removeEvent(window, "focus", listener, capture);
        winListendFocus = null;
      }
      if (winListendFullscreen && typeof document !== "undefined") {
        document.removeEventListener("fullscreenchange", winListendFullscreen.fullscreen);
        document.removeEventListener("webkitfullscreenchange", winListendFullscreen.webkit);
        winListendFullscreen = null;
      }
    }
  }
  const _api = {
    getPressedKeyString,
    setScope,
    getScope,
    deleteScope,
    getPressedKeyCodes,
    getAllKeyCodes,
    isPressed,
    filter,
    trigger,
    unbind,
    keyMap: _keyMap,
    modifier: _modifier,
    modifierMap
  };
  for (const a in _api) {
    const key = a;
    if (Object.prototype.hasOwnProperty.call(_api, key)) {
      hotkeys2[key] = _api[key];
    }
  }
  if (typeof window !== "undefined") {
    const _hotkeys = window.hotkeys;
    hotkeys2.noConflict = (deep) => {
      if (deep && window.hotkeys === hotkeys2) {
        window.hotkeys = _hotkeys;
      }
      return hotkeys2;
    };
    window.hotkeys = hotkeys2;
  }
  return hotkeys2;
});
if (typeof module === "object" && module.exports) {
  module.exports.default = module.exports;
}
if (typeof define === "function" && define.amd) {
  define([], function() {
    return hotkeys;
  });
}
//# sourceMappingURL=hotkeys-js.umd.cjs.map