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keymaster.min.js
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keymaster.min.js
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// keymaster.js
// (c) 2011-2012 Thomas Fuchs
// keymaster.js may be freely distributed under the MIT license.
(function(e){function f(e,t){var n=e.length;while(n--)if(e[n]===t)return n;return-1}function l(e,t){if(e.length!=t.length)return!1;for(var n=0;n<e.length;n++)if(e[n]!==t[n])return!1;return!0}function h(e){for(t in r)r[t]=e[c[t]]}function p(e,t){var i,o,u,l,c;i=e.keyCode,f(a,i)==-1&&a.push(i);if(i==93||i==224)i=91;if(i in r){r[i]=!0;for(u in s)s[u]==i&&(m[u]=!0);return}h(e);if(!m.filter.call(this,e))return;if(!(i in n))return;for(l=0;l<n[i].length;l++){o=n[i][l];if(o.scope==t||o.scope=="all"){c=o.mods.length>0;for(u in r)if(!r[u]&&f(o.mods,+u)>-1||r[u]&&f(o.mods,+u)==-1)c=!1;(o.mods.length==0&&!r[16]&&!r[18]&&!r[17]&&!r[91]||c)&&o.method(e,o)===!1&&(e.preventDefault?e.preventDefault():e.returnValue=!1,e.stopPropagation&&e.stopPropagation(),e.cancelBubble&&(e.cancelBubble=!0))}}}function d(e){var t=e.keyCode,n,i=f(a,t);i>=0&&a.splice(i,1);if(t==93||t==224)t=91;if(t in r){r[t]=!1;for(n in s)s[n]==t&&(m[n]=!1)}}function v(){for(t in r)r[t]=!1;for(t in s)m[t]=!1}function m(e,t,r){var i,s,o,a;i=T(e),r===undefined&&(r=t,t="all");for(o=0;o<i.length;o++)s=[],e=i[o].split("+"),e.length>1&&(s=N(e),e=[e[e.length-1]]),e=e[0],e=u(e),e in n||(n[e]=[]),n[e].push({shortcut:i[o],scope:t,method:r,key:i[o],mods:s})}function g(e,t){var r=e.split("+"),i=[],s,o;r.length>1&&(i=N(r),e=r[r.length-1]),e=u(e),t===undefined&&(t=S());if(!n[e])return;for(s in n[e])o=n[e][s],o.scope===t&&l(o.mods,i)&&(n[e][s]={})}function y(e){return typeof e=="string"&&(e=u(e)),f(a,e)!=-1}function b(){return a.slice(0)}function w(e){var t=(e.target||e.srcElement).tagName;return t!="INPUT"&&t!="SELECT"&&t!="TEXTAREA"}function E(e){i=e||"all"}function S(){return i||"all"}function x(e){var t,r,i;for(t in n){r=n[t];for(i=0;i<r.length;)r[i].scope===e?r.splice(i,1):i++}}function T(e){var t;return e=e.replace(/\s/g,""),t=e.split(","),t[t.length-1]==""&&(t[t.length-2]+=","),t}function N(e){var t=e.slice(0,e.length-1);for(mi=0;mi<t.length;mi++)t[mi]=s[t[mi]];return t}function C(e,t,n){e.addEventListener?e.addEventListener(t,n,!1):e.attachEvent&&e.attachEvent("on"+t,function(){n(window.event)})}function L(){var t=e.key;return e.key=k,t}var t,n={},r={16:!1,18:!1,17:!1,91:!1},i="all",s={"⇧":16,shift:16,"⌥":18,alt:18,option:18,"⌃":17,ctrl:17,control:17,"⌘":91,command:91},o={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,home:36,end:35,pageup:33,pagedown:34,",":188,".":190,"/":191,"`":192,"-":189,"=":187,";":186,"'":222,"[":219,"]":221,"\\":220},u=function(e){return o[e]||e.toUpperCase().charCodeAt(0)},a=[];for(t=1;t<20;t++)o["f"+t]=111+t;var c={16:"shiftKey",18:"altKey",17:"ctrlKey",91:"metaKey"};for(t in s)m[t]=!1;C(document,"keydown",function(e){p(e,i)}),C(document,"keyup",d),C(window,"focus",v);var k=e.key;e.key=m,e.key.setScope=E,e.key.getScope=S,e.key.deleteScope=x,e.key.filter=w,e.key.isPressed=y,e.key.getPressedKeyCodes=b,e.key.noConflict=L,e.key.unbind=g,typeof module!="undefined"&&(module.exports=key)})(this);