forked from ccampbell/mousetrap
/
mousetrap.min.js
8 lines (8 loc) · 3.28 KB
/
mousetrap.min.js
1
2
3
4
5
6
7
8
/* mousetrap v1.1.4 craig.is/killing/mice */
(function(){function q(a,c,b){if(a.addEventListener)return a.addEventListener(c,b,!1);a.attachEvent("on"+c,b)}function w(a){return"keypress"==a.type?String.fromCharCode(a.which):h[a.which]?h[a.which]:x[a.which]?x[a.which]:String.fromCharCode(a.which).toLowerCase()}function r(a){var a=a||{},c=!1,b;for(b in l)a[b]?c=!0:l[b]=0;c||(n=!1)}function y(a,c,b,d,F){var g,e,f=[],i=b.type;if(!k[a])return[];"keyup"==i&&s(a)&&(c=[a]);for(g=0;g<k[a].length;++g)if(e=k[a][g],!(e.seq&&l[e.seq]!=e.level)&&i==e.action&&
("keypress"==i&&!b.metaKey&&!b.ctrlKey||c.sort().join(",")===e.modifiers.sort().join(",")))d&&e.combo==F&&k[a].splice(g,1),f.push(e);return f}function t(a,c){!1===a(c)&&(c.preventDefault&&c.preventDefault(),c.stopPropagation&&c.stopPropagation(),c.returnValue=!1,c.cancelBubble=!0)}function u(a){"number"!==typeof a.which&&(a.which=a.keyCode);var c=w(a);if(c)if("keyup"==a.type&&v==c)v=!1;else{var b=a.target||a.srcElement,d=b.tagName;if(!(-1<(" "+b.className+" ").indexOf(" mousetrap ")?0:"INPUT"==d||
"SELECT"==d||"TEXTAREA"==d||b.contentEditable&&"true"==b.contentEditable)){b=[];a.shiftKey&&b.push("shift");a.altKey&&b.push("alt");a.ctrlKey&&b.push("ctrl");a.metaKey&&b.push("meta");for(var b=y(c,b,a),f={},g=!1,d=0;d<b.length;++d)b[d].seq?(g=!0,f[b[d].seq]=1,t(b[d].callback,a)):!g&&!n&&t(b[d].callback,a);a.type==n&&!s(c)&&r(f)}}}function s(a){return"shift"==a||"ctrl"==a||"alt"==a||"meta"==a}function z(a,c,b){if(!b){if(!p){p={};for(var d in h)95<d&&112>d||h.hasOwnProperty(d)&&(p[h[d]]=d)}b=p[a]?
"keydown":"keypress"}"keypress"==b&&c.length&&(b="keydown");return b}function A(a,c,b,d,f){var a=a.replace(/\s+/g," "),g=a.split(" "),e,h,i=[];if(1<g.length){var j=a,m=b;l[j]=0;m||(m=z(g[0],[]));a=function(){n=m;++l[j];clearTimeout(B);B=setTimeout(r,1E3)};b=function(a){t(c,a);"keyup"!==m&&(v=w(a));setTimeout(r,10)};for(d=0;d<g.length;++d)A(g[d],d<g.length-1?a:b,m,j,d)}else{h="+"===a?["+"]:a.split("+");for(g=0;g<h.length;++g)e=h[g],C[e]&&(e=C[e]),b&&("keypress"!=b&&D[e])&&(e=D[e],i.push("shift")),
s(e)&&i.push(e);b=z(e,i,b);k[e]||(k[e]=[]);y(e,i,{type:b},!d,a);k[e][d?"unshift":"push"]({callback:c,modifiers:i,action:b,seq:d,level:f,combo:a})}}for(var h={8:"backspace",9:"tab",13:"enter",16:"shift",17:"ctrl",18:"alt",20:"capslock",27:"esc",32:"space",33:"pageup",34:"pagedown",35:"end",36:"home",37:"left",38:"up",39:"right",40:"down",45:"ins",46:"del",91:"meta",93:"meta",224:"meta"},x={106:"*",107:"+",109:"-",110:".",111:"/",186:";",187:"=",188:",",189:"-",190:".",191:"/",192:"`",219:"[",220:"\\",
221:"]",222:"'"},D={"~":"`","!":"1","@":"2","#":"3",$:"4","%":"5","^":"6","&":"7","*":"8","(":"9",")":"0",_:"-","+":"=",":":";",'"':"'","<":",",">":".","?":"/","|":"\\"},C={option:"alt",command:"meta","return":"enter",escape:"esc"},p,k={},j={},l={},B,v=!1,n=!1,f=1;20>f;++f)h[111+f]="f"+f;for(f=0;9>=f;++f)h[f+96]=f;q(document,"keypress",u);q(document,"keydown",u);q(document,"keyup",u);var E={bind:function(a,c,b){for(var d=a instanceof Array?a:[a],f=0;f<d.length;++f)A(d[f],c,b);j[a+":"+b]=c;return this},
unbind:function(a,c){j[a+":"+c]&&(delete j[a+":"+c],this.bind(a,function(){},c));return this},trigger:function(a,c){j[a+":"+c]();return this},reset:function(){k={};j={};return this}};window.Mousetrap=E;"function"==typeof define&&define.amd&&define("mousetrap",function(){return E})})();