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"use strict";function _typeof(e){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}var isff="undefined"!=typeof navigator&&0<navigator.userAgent.toLowerCase().indexOf("firefox");function addEvent(e,o,t){e.addEventListener?e.addEventListener(o,t,!1):e.attachEvent&&e.attachEvent("on".concat(o),function(){t(window.event)})}function getMods(e,o){for(var t=o.slice(0,o.length-1),n=0;n<t.length;n++)t[n]=e[t[n].toLowerCase()];return t}function getKeys(e){"string"!=typeof e&&(e="");for(var o=(e=e.replace(/\s/g,"")).split(","),t=o.lastIndexOf("");0<=t;)o[t-1]+=",",o.splice(t,1),t=o.lastIndexOf("");return o}function compareArray(e,o){for(var t=e.length<o.length?o:e,n=e.length<o.length?e:o,r=!0,s=0;s<t.length;s++)~n.indexOf(t[s])||(r=!1);return r}for(var _keyMap={backspace:8,tab:9,clear:12,enter:13,return:13,esc:27,escape:27,space:32,left:37,up:38,right:39,down:40,del:46,delete:46,ins:45,insert:45,home:36,end:35,pageup:33,pagedown:34,capslock:20,"\u21ea":20,",":188,".":190,"/":191,"`":192,"-":isff?173:189,"=":isff?61:187,";":isff?59:186,"'":222,"[":219,"]":221,"\\":220},_modifier={"\u21e7":16,shift:16,"\u2325":18,alt:18,option:18,"\u2303":17,ctrl:17,control:17,"\u2318":91,cmd:91,command:91},modifierMap={16:"shiftKey",18:"altKey",17:"ctrlKey",91:"metaKey",shiftKey:16,ctrlKey:17,altKey:18,metaKey:91},_mods={16:!1,18:!1,17:!1,91:!1},_handlers={},k=1;k<20;k++)_keyMap["f".concat(k)]=111+k;var _downKeys=[],_scope="all",elementHasBindEvent=[],code=function(e){return _keyMap[e.toLowerCase()]||_modifier[e.toLowerCase()]||e.toUpperCase().charCodeAt(0)};function setScope(e){_scope=e||"all"}function getScope(){return _scope||"all"}function getPressedKeyCodes(){return _downKeys.slice(0)}function filter(e){var o=e.target||e.srcElement,t=o.tagName,n=!0;return!o.isContentEditable&&("INPUT"!==t&&"TEXTAREA"!==t||o.readOnly)||(n=!1),n}function isPressed(e){return"string"==typeof e&&(e=code(e)),!!~_downKeys.indexOf(e)}function deleteScope(e,o){var t,n;for(var r in e=e||getScope(),_handlers)if(Object.prototype.hasOwnProperty.call(_handlers,r))for(t=_handlers[r],n=0;n<t.length;)t[n].scope===e?t.splice(n,1):n++;getScope()===e&&setScope(o||"all")}function clearModifier(e){var o=e.keyCode||e.which||e.charCode,t=_downKeys.indexOf(o);if(t<0||_downKeys.splice(t,1),e.key&&"meta"==e.key.toLowerCase()&&_downKeys.splice(0,_downKeys.length),93!==o&&224!==o||(o=91),o in _mods)for(var n in _mods[o]=!1,_modifier)_modifier[n]===o&&(hotkeys[n]=!1)}function unbind(e){if(e){if(Array.isArray(e))e.forEach(function(e){e.key&&eachUnbind(e)});else if("object"===_typeof(e))e.key&&eachUnbind(e);else if("string"==typeof e){for(var o=arguments.length,t=Array(1<o?o-1:0),n=1;n<o;n++)t[n-1]=arguments[n];var r=t[0],s=t[1];"function"==typeof r&&(s=r,r=""),eachUnbind({key:e,scope:r,method:s,splitKey:"+"})}}else Object.keys(_handlers).forEach(function(e){return delete _handlers[e]})}var eachUnbind=function(e){var i=e.scope,d=e.method,o=e.splitKey,a=void 0===o?"+":o;getKeys(e.key).forEach(function(e){var o=e.split(a),t=o.length,n=o[t-1],r="*"===n?"*":code(n);if(_handlers[r]){i=i||getScope();var s=1<t?getMods(_modifier,o):[];_handlers[r]=_handlers[r].map(function(e){return(!d||e.method===d)&&e.scope===i&&compareArray(e.mods,s)?{}:e})}})};function eventHandler(e,o,t){var n;if(o.scope===t||"all"===o.scope){for(var r in n=0<o.mods.length,_mods)Object.prototype.hasOwnProperty.call(_mods,r)&&(!_mods[r]&&~o.mods.indexOf(+r)||_mods[r]&&!~o.mods.indexOf(+r))&&(n=!1);(0!==o.mods.length||_mods[16]||_mods[18]||_mods[17]||_mods[91])&&!n&&"*"!==o.shortcut||!1===o.method(e,o)&&(e.preventDefault?e.preventDefault():e.returnValue=!1,e.stopPropagation&&e.stopPropagation(),e.cancelBubble&&(e.cancelBubble=!0))}}function dispatch(t){var e=_handlers["*"],o=t.keyCode||t.which||t.charCode;if(hotkeys.filter.call(this,t)){if(93!==o&&224!==o||(o=91),~_downKeys.indexOf(o)||229===o||_downKeys.push(o),["ctrlKey","altKey","shiftKey","metaKey"].forEach
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