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2 lines
4.1 KiB
JavaScript
2 lines
4.1 KiB
JavaScript
/*! hotkeys-js v3.0.0 | MIT (c) 2018 kenny wang <wowohoo@qq.com> | */
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"use strict";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"+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){var o,t;for(e||(e=""),t=(o=(e=e.replace(/\s/g,"")).split(",")).lastIndexOf("");0<=t;)o[t-1]+=",",o.splice(t,1),t=o.lastIndexOf("");return o}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,"\u21ea":20,capslock: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":isff?224:91,cmd:isff?224:91,command:isff?224:91},_downKeys=[],modifierMap={16:"shiftKey",18:"altKey",17:"ctrlKey"},_mods={16:!1,18:!1,17:!1},_handlers={},k=1;k<20;k++)_keyMap["f"+k]=111+k;modifierMap[isff?224:91]="metaKey",_mods[isff?224:91]=!1;var _scope="all",code=function(e){return _keyMap[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).tagName;return!("INPUT"===o||"SELECT"===o||"TEXTAREA"===o)}function isPressed(e){return"string"==typeof e&&(e=code(e)),-1!==_downKeys.indexOf(e)}function deleteScope(e,o){var t=void 0,n=void 0;for(var s in e||(e=getScope()),_handlers)for(t=_handlers[s],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),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,o){for(var t=getKeys(e),n=void 0,s=[],r=void 0,d=0;d<t.length;d++){if(1<(n=t[d].split("+")).length&&(s=getMods(n)),e="*"===(e=n[n.length-1])?"*":code(e),o||(o=getScope()),!_handlers[e])return;for(var i=0;i<_handlers[e].length;i++)(r=_handlers[e][i]).scope===o&&compareArray(r.mods,s)&&(_handlers[e][i]={})}}function eventHandler(e,o,t){var n=void 0;if(o.scope===t||"all"===o.scope){for(var s in n=0<o.mods.length,_mods)(!_mods[s]&&-1<o.mods.indexOf(+s)||_mods[s]&&-1===o.mods.indexOf(+s))&&(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(e){var o,t=e.keyCode||e.which||e.charCode,n=_handlers["*"];if(-1===_downKeys.indexOf(t)&&_downKeys.push(t),93!==t&&224!==t||(t=91),t in _mods){for(var s in _mods[t]=!0,_modifier)_modifier[s]===t&&(hotkeys[s]=!0);if(!n)return}for(var r in _mods)_mods[r]=e[modifierMap[r]];if(hotkeys.filter.call(this,e)){if(o=getScope(),n)for(d=0;d<n.length;d++)n[d].scope===o&&eventHandler(e,n[d],o);if(t in _handlers)for(var d=0;d<_handlers[t].length;d++)eventHandler(e,_handlers[t][d],o)}}function hotkeys(e,o,t){var n=getKeys(e),s=[],r=0;for(void 0===t&&(t=o,o="all");r<n.length;r++)s=[],1<(e=n[r].split("+")).length&&(s=getMods(_modifier,e)),(e="*"===(e=e[e.length-1])?"*":code(e))in _handlers||(_handlers[e]=[]),_handlers[e].push({scope:o,mods:s,shortcut:n[r],method:t,key:n[r]})}"undefined"!=typeof document&&(addEvent(document,"keydown",function(e){dispatch(e)}),addEvent(document,"keyup",function(e){clearModifier(e)}));var _api={setScope:setScope,getScope:getScope,deleteScope:deleteScope,getPressedKeyCodes:getPressedKeyCodes,isPressed:isPressed,filter:filter,unbind:unbind};for(var a in _api)hotkeys[a]=_api[a];if("undefined"!=typeof window){var _hotkeys=window.hotkeys;hotkeys.noConflict=function(e){return e&&window.hotkeys===hotkeys&&(window.hotkeys=_hotkeys),hotkeys},window.hotkeys=hotkeys}module.exports=hotkeys; |