Optimize _.isArray fallback, _.isDate, _.isFunction, and _.isRegExp.

Former-commit-id: a3e350bf1fa91a9582ba6a0effe61d4589cc8afe
This commit is contained in:
John-David Dalton
2012-12-10 00:25:07 -08:00
parent 13d62b01d1
commit 0b48b9c7d4
5 changed files with 43 additions and 42 deletions

View File

@@ -15,19 +15,19 @@ s)?nt.apply(i,t?s:D(s)):i.push(s)}return i}function P(e,t,n){var r=-1,i=e?e.leng
e[i],f=n?n(r,i,e):r;if(t?!i||a[a.length-1]!==f:0>P(a,f))n&&a.push(f),u.push(r)}return u}function F(e,t){return bt||it&&2<arguments.length?it.call.apply(it,arguments):i(e,t,f(arguments,2))}function I(e){return e}function q(e){At(d(e),function(t){var r=n[t]=e[t];n.prototype[t]=function(){var e=[this.__wrapped__];return nt.apply(e,arguments),e=r.apply(n,e),this.__chain__&&(e=new n(e),e.__chain__=!0),e}})}var R="object"==typeof exports&&exports,U="object"==typeof global&&global;U.global===U&&(e=U);var z=
[],U=new function(){},W=0,X=U,V=e._,$=/&(?:amp|lt|gt|quot|#x27);/g,J=RegExp("^"+(U.valueOf+"").replace(/[.*+?^=!:${}()|[\]\/\\]/g,"\\$&").replace(/valueOf|for [^\]]+/g,".+?")+"$"),K=/($^)/,Q=/[&<>"']/g,G=/['\n\r\t\u2028\u2029\\]/g,Y=Math.ceil,Z=z.concat,et=Math.floor,tt=U.hasOwnProperty,nt=z.push,rt=U.toString,it=J.test(it=f.bind)&&it,st=J.test(st=Array.isArray)&&st,ot=e.isFinite,ut=e.isNaN,at=J.test(at=Object.keys)&&at,ft=Math.max,lt=Math.min,ct=Math.random,ht="[object Array]",pt="[object Boolean]"
,dt="[object Date]",vt="[object Number]",mt="[object Object]",gt="[object RegExp]",yt="[object String]",U=!!e.attachEvent,U=it&&!/\n|true/.test(it+U),bt=it&&!U,wt=(wt={0:1,length:1},z.splice.call(wt,0,1),wt[0]),Et={"boolean":!1,"function":!0,object:!0,number:!1,string:!1,"undefined":!1},St={"\\":"\\","'":"'","\n":"n","\r":"r"," ":"t","\u2028":"u2028","\u2029":"u2029"};n.templateSettings={escape:/<%-([\s\S]+?)%>/g,evaluate:/<%([\s\S]+?)%>/g,interpolate:/<%=([\s\S]+?)%>/g,variable:""},n.isArguments=
function(e){return"[object Arguments]"==rt.call(e)},n.isArguments(arguments)||(n.isArguments=function(e){return e?tt.call(e,"callee"):!1});var xt=function(e,t){var n;if(!e)return e;t||(t=I);for(n in e)if(t(e[n],n,e)===X)break;return e},Tt=function(e,t){var n;if(!e)return e;t||(t=I);for(n in e)if(tt.call(e,n)&&t(e[n],n,e)===X)break;return e},Nt={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#x27;"},Ct=v(Nt),kt=st||function(e){return rt.call(e)==ht};g(/x/)&&(g=function(e){return"[object Function]"==
rt.call(e)});var Lt=at?function(e){return y(e)?at(e):[]}:h,At=function(e,t,n){if(!e)return e;var t=t&&"undefined"==typeof n?t:s(t,n),r=e.length,n=-1;if("number"==typeof r){for(;++n<r;)if(t(e[n],n,e)===X)return e}else for(n in e)if(tt.call(e,n)&&t(e[n],n,e)===X)return e};n.after=function(e,t){return 1>e?t():function(){if(1>--e)return t.apply(this,arguments)}},n.bind=F,n.bindAll=function(e){for(var t=arguments,n=1<t.length?0:(t=d(e),-1),r=t.length;++n<r;){var i=t[n];e[i]=F(e[i],e)}return e},n.compact=
function(e){for(var t=-1,n=e?e.length:0,r=[];++t<n;){var i=e[t];i&&r.push(i)}return r},n.compose=function(){var e=arguments;return function(){for(var t=arguments,n=e.length;n--;)t=[e[n].apply(this,t)];return t[0]}},n.countBy=function(e,t,n){var r={},t=s(t,n);return At(e,function(e,n,i){n=t(e,n,i),tt.call(r,n)?r[n]++:r[n]=1}),r},n.debounce=function(e,t,n){function r(){u=null,n||(s=e.apply(o,i))}var i,s,o,u;return function(){var a=n&&!u;return i=arguments,o=this,clearTimeout(u),u=setTimeout(r,t),a&&
(s=e.apply(o,i)),s}},n.defaults=p,n.defer=function(e){var n=f(arguments,1);return setTimeout(function(){e.apply(t,n)},1)},n.delay=function(e,n){var r=f(arguments,2);return setTimeout(function(){e.apply(t,r)},n)},n.difference=function(e){for(var t=-1,n=e.length,r=Z.apply(z,arguments),i=[];++t<n;){var s=e[t];0>P(r,s,n)&&i.push(s)}return i},n.filter=T,n.flatten=D,n.forEach=At,n.functions=d,n.groupBy=function(e,t,n){var r={},t=s(t,n);return At(e,function(e,n,i){n=t(e,n,i),(tt.call(r,n)?r[n]:r[n]=[]).
push(e)}),r},n.initial=function(e,t,n){if(!e)return[];var r=e.length;return f(e,0,lt(ft(0,r-(null==t||n?1:t||0)),r))},n.intersection=function(e){var t=arguments,n=t.length,r=[];return At(e,function(e){if(0>P(r,e)){for(var i=n;--i;)if(0>P(t[i],e))return;r.push(e)}}),r},n.invert=v,n.invoke=function(e,t){var n=f(arguments,2),r="function"==typeof t,i=[];return At(e,function(e){i.push((r?t:e[t]).apply(e,n))}),i},n.keys=Lt,n.map=C,n.max=k,n.memoize=function(e,t){var n={};return function(){var r=t?t.apply
(this,arguments):arguments[0];return tt.call(n,r)?n[r]:n[r]=e.apply(this,arguments)}},n.min=function(e,t,n){var r=Infinity,i=-1,o=e?e.length:0,u=r;if(t||!kt(e))t=s(t,n),At(e,function(e,n,i){n=t(e,n,i),n<r&&(r=n,u=e)});else for(;++i<o;)e[i]<u&&(u=e[i]);return u},n.object=function(e,t){for(var n=-1,r=e?e.length:0,i={};++n<r;){var s=e[n];t?i[s]=t[n]:i[s[0]]=s[1]}return i},n.omit=function(e){var t=Z.apply(z,arguments),n={};return xt(e,function(e,r){0>P(t,r,1)&&(n[r]=e)}),n},n.once=function(e){var t,n=!1
;return function(){return n?t:(n=!0,t=e.apply(this,arguments),e=null,t)}},n.pairs=function(e){var t=[];return Tt(e,function(e,n){t.push([n,e])}),t},n.pick=function(e){for(var t=0,n=Z.apply(z,arguments),r=n.length,i={};++t<r;){var s=n[t];s in e&&(i[s]=e[s])}return i},n.pluck=L,n.range=function(e,t,n){e=+e||0,n=+n||1,null==t&&(t=e,e=0);for(var r=-1,t=ft(0,Y((t-e)/n)),i=Array(t);++r<t;)i[r]=e,e+=n;return i},n.reject=function(e,t,n){return t=s(t,n),T(e,function(e,n,r){return!t(e,n,r)})},n.rest=H,n.shuffle=
function(e){var t=-1,n=Array(e?e.length:0);return At(e,function(e){var r=et(ct()*(++t+1));n[t]=n[r],n[r]=e}),n},n.sortBy=function(e,t,n){var i=[],t=s(t,n);At(e,function(e,n,r){i.push({a:t(e,n,r),b:n,c:e})}),e=i.length;for(i.sort(r);e--;)i[e]=i[e].c;return i},n.tap=function(e,t){return t(e),e},n.throttle=function(e,t){function n(){u=new Date,o=null,i=e.apply(s,r)}var r,i,s,o,u=0;return function(){var a=new Date,f=t-(a-u);return r=arguments,s=this,0>=f?(clearTimeout(o),o=null,u=a,i=e.apply(s,r)):o||
(o=setTimeout(n,f)),i}},n.times=function(e,t,n){for(var e=+e||0,r=-1,i=Array(e);++r<e;)i[r]=t.call(n,r);return i},n.toArray=function(e){return"number"==typeof (e?e.length:0)?f(e):E(e)},n.union=function(){return j(Z.apply(z,arguments))},n.uniq=j,n.values=E,n.where=function(e,t){var n=Lt(t);return T(e,function(e){for(var r=n.length;r--;){var i=e[n[r]]===t[n[r]];if(!i)break}return!!i})},n.without=function(e){for(var t=-1,n=e.length,r=[];++t<n;){var i=e[t];0>P(arguments,i,1)&&r.push(i)}return r},n.wrap=
function(e,t){return function(){var n=[e];return nt.apply(n,arguments),t.apply(this,n)}},n.zip=function(e){for(var t=-1,n=e?k(L(arguments,"length")):0,r=Array(n);++t<n;)r[t]=L(arguments,t);return r},n.collect=C,n.drop=H,n.each=At,n.extend=c,n.methods=d,n.select=T,n.tail=H,n.unique=j,n.clone=function(e){return e&&Et[typeof e]?kt(e)?f(e):c({},e):e},n.contains=S,n.escape=function(e){return null==e?"":(e+"").replace(Q,u)},n.every=x,n.find=N,n.has=function(e,t){return e?tt.call(e,t):!1},n.identity=I,n
.indexOf=P,n.isArray=kt,n.isBoolean=function(e){return!0===e||!1===e||rt.call(e)==pt},n.isDate=function(e){return rt.call(e)==dt},n.isElement=function(e){return e?1===e.nodeType:!1},n.isEmpty=function(e){if(!e)return!0;if(kt(e)||w(e))return!e.length;for(var t in e)if(tt.call(e,t))return!1;return!0},n.isEqual=m,n.isFinite=function(e){return ot(e)&&!ut(parseFloat(e))},n.isFunction=g,n.isNaN=function(e){return b(e)&&e!=+e},n.isNull=function(e){return null===e},n.isNumber=b,n.isObject=y,n.isRegExp=function(
e){return rt.call(e)==gt},n.isString=w,n.isUndefined=function(e){return"undefined"==typeof e},n.lastIndexOf=function(e,t,n){var r=e?e.length:0;for("number"==typeof n&&(r=(0>n?ft(0,r+n):lt(n,r-1))+1);r--;)if(e[r]===t)return r;return-1},n.mixin=q,n.noConflict=function(){return e._=V,this},n.random=function(e,t){return null==e&&null==t&&(t=1),e=+e||0,null==t&&(t=e,e=0),e+et(ct()*((+t||0)-e+1))},n.reduce=A,n.reduceRight=O,n.result=function(e,t){var n=e?e[t]:null;return g(n)?e[t]():n},n.size=function(
e){var t=e?e.length:0;return"number"==typeof t?t:Lt(e).length},n.some=M,n.sortedIndex=B,n.template=function(e,t,r){e||(e="");var r=p({},r,n.templateSettings),i=0,s="__p+='",u=r.variable;e.replace(RegExp((r.escape||K).source+"|"+(r.interpolate||K).source+"|"+(r.evaluate||K).source+"|$","g"),function(t,n,r,u,a){s+=e.slice(i,a).replace(G,o),s+=n?"'+_['escape']("+n+")+'":u?"';"+u+";__p+='":r?"'+((__t=("+r+"))==null?'':__t)+'":"",i=a+t.length}),s+="';\n",u||(u="obj",s="with("+u+"||{}){"+s+"}"),s="function("+
u+"){var __t,__p='',__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}"+s+"return __p}";try{var a=Function("_","return "+s)(n)}catch(f){throw f.source=s,f}return t?a(t):(a.source=s,a)},n.unescape=function(e){return null==e?"":(e+"").replace($,l)},n.uniqueId=function(e){var t=++W+"";return e?e+t:t},n.all=x,n.any=M,n.detect=N,n.foldl=A,n.foldr=O,n.include=S,n.inject=A,n.first=_,n.last=function(e,t,n){if(e){var r=e.length;return null==t||n?e[r-1]:f(e,ft(0,r-t))}},n.take=_,n.head=
_,n.chain=function(e){return e=new n(e),e.__chain__=!0,e},n.VERSION="1.0.0-rc.2",q(n),n.prototype.chain=function(){return this.__chain__=!0,this},n.prototype.value=function(){return this.__wrapped__},At("pop push reverse shift sort splice unshift".split(" "),function(e){var t=z[e];n.prototype[e]=function(){var e=this.__wrapped__;return t.apply(e,arguments),wt&&e.length===0&&delete e[0],this}}),At(["concat","join","slice"],function(e){var t=z[e];n.prototype[e]=function(){var e=t.apply(this.__wrapped__
,arguments);return this.__chain__&&(e=new n(e),e.__chain__=!0),e}}),R?"object"==typeof module&&module&&module.exports==R?(module.exports=n)._=n:R._=n:e._=n})(this);
function(e){return"[object Arguments]"==rt.call(e)},n.isArguments(arguments)||(n.isArguments=function(e){return e?tt.call(e,"callee"):!1});var xt=function(e,t){var n;if(!e)return e;t||(t=I);for(n in e)if(t(e[n],n,e)===X)break;return e},Tt=function(e,t){var n;if(!e)return e;t||(t=I);for(n in e)if(tt.call(e,n)&&t(e[n],n,e)===X)break;return e},Nt={"&":"&amp;","<":"&lt;",">":"&gt;",'"':"&quot;","'":"&#x27;"},Ct=v(Nt),kt=st||function(e){return e instanceof Array||rt.call(e)==ht};g(/x/)&&(g=function(e)
{return e instanceof Function||"[object Function]"==rt.call(e)});var Lt=at?function(e){return y(e)?at(e):[]}:h,At=function(e,t,n){if(!e)return e;var t=t&&"undefined"==typeof n?t:s(t,n),r=e.length,n=-1;if("number"==typeof r){for(;++n<r;)if(t(e[n],n,e)===X)return e}else for(n in e)if(tt.call(e,n)&&t(e[n],n,e)===X)return e};n.after=function(e,t){return 1>e?t():function(){if(1>--e)return t.apply(this,arguments)}},n.bind=F,n.bindAll=function(e){for(var t=arguments,n=1<t.length?0:(t=d(e),-1),r=t.length
;++n<r;){var i=t[n];e[i]=F(e[i],e)}return e},n.compact=function(e){for(var t=-1,n=e?e.length:0,r=[];++t<n;){var i=e[t];i&&r.push(i)}return r},n.compose=function(){var e=arguments;return function(){for(var t=arguments,n=e.length;n--;)t=[e[n].apply(this,t)];return t[0]}},n.countBy=function(e,t,n){var r={},t=s(t,n);return At(e,function(e,n,i){n=t(e,n,i),tt.call(r,n)?r[n]++:r[n]=1}),r},n.debounce=function(e,t,n){function r(){u=null,n||(s=e.apply(o,i))}var i,s,o,u;return function(){var a=n&&!u;return i=
arguments,o=this,clearTimeout(u),u=setTimeout(r,t),a&&(s=e.apply(o,i)),s}},n.defaults=p,n.defer=function(e){var n=f(arguments,1);return setTimeout(function(){e.apply(t,n)},1)},n.delay=function(e,n){var r=f(arguments,2);return setTimeout(function(){e.apply(t,r)},n)},n.difference=function(e){for(var t=-1,n=e.length,r=Z.apply(z,arguments),i=[];++t<n;){var s=e[t];0>P(r,s,n)&&i.push(s)}return i},n.filter=T,n.flatten=D,n.forEach=At,n.functions=d,n.groupBy=function(e,t,n){var r={},t=s(t,n);return At(e,function(
e,n,i){n=t(e,n,i),(tt.call(r,n)?r[n]:r[n]=[]).push(e)}),r},n.initial=function(e,t,n){if(!e)return[];var r=e.length;return f(e,0,lt(ft(0,r-(null==t||n?1:t||0)),r))},n.intersection=function(e){var t=arguments,n=t.length,r=[];return At(e,function(e){if(0>P(r,e)){for(var i=n;--i;)if(0>P(t[i],e))return;r.push(e)}}),r},n.invert=v,n.invoke=function(e,t){var n=f(arguments,2),r="function"==typeof t,i=[];return At(e,function(e){i.push((r?t:e[t]).apply(e,n))}),i},n.keys=Lt,n.map=C,n.max=k,n.memoize=function(
e,t){var n={};return function(){var r=t?t.apply(this,arguments):arguments[0];return tt.call(n,r)?n[r]:n[r]=e.apply(this,arguments)}},n.min=function(e,t,n){var r=Infinity,i=-1,o=e?e.length:0,u=r;if(t||!kt(e))t=s(t,n),At(e,function(e,n,i){n=t(e,n,i),n<r&&(r=n,u=e)});else for(;++i<o;)e[i]<u&&(u=e[i]);return u},n.object=function(e,t){for(var n=-1,r=e?e.length:0,i={};++n<r;){var s=e[n];t?i[s]=t[n]:i[s[0]]=s[1]}return i},n.omit=function(e){var t=Z.apply(z,arguments),n={};return xt(e,function(e,r){0>P(t
,r,1)&&(n[r]=e)}),n},n.once=function(e){var t,n=!1;return function(){return n?t:(n=!0,t=e.apply(this,arguments),e=null,t)}},n.pairs=function(e){var t=[];return Tt(e,function(e,n){t.push([n,e])}),t},n.pick=function(e){for(var t=0,n=Z.apply(z,arguments),r=n.length,i={};++t<r;){var s=n[t];s in e&&(i[s]=e[s])}return i},n.pluck=L,n.range=function(e,t,n){e=+e||0,n=+n||1,null==t&&(t=e,e=0);for(var r=-1,t=ft(0,Y((t-e)/n)),i=Array(t);++r<t;)i[r]=e,e+=n;return i},n.reject=function(e,t,n){return t=s(t,n),T(
e,function(e,n,r){return!t(e,n,r)})},n.rest=H,n.shuffle=function(e){var t=-1,n=Array(e?e.length:0);return At(e,function(e){var r=et(ct()*(++t+1));n[t]=n[r],n[r]=e}),n},n.sortBy=function(e,t,n){var i=[],t=s(t,n);At(e,function(e,n,r){i.push({a:t(e,n,r),b:n,c:e})}),e=i.length;for(i.sort(r);e--;)i[e]=i[e].c;return i},n.tap=function(e,t){return t(e),e},n.throttle=function(e,t){function n(){u=new Date,o=null,i=e.apply(s,r)}var r,i,s,o,u=0;return function(){var a=new Date,f=t-(a-u);return r=arguments,s=
this,0>=f?(clearTimeout(o),o=null,u=a,i=e.apply(s,r)):o||(o=setTimeout(n,f)),i}},n.times=function(e,t,n){for(var e=+e||0,r=-1,i=Array(e);++r<e;)i[r]=t.call(n,r);return i},n.toArray=function(e){return"number"==typeof (e?e.length:0)?f(e):E(e)},n.union=function(){return j(Z.apply(z,arguments))},n.uniq=j,n.values=E,n.where=function(e,t){var n=Lt(t);return T(e,function(e){for(var r=n.length;r--;){var i=e[n[r]]===t[n[r]];if(!i)break}return!!i})},n.without=function(e){for(var t=-1,n=e.length,r=[];++t<n;
){var i=e[t];0>P(arguments,i,1)&&r.push(i)}return r},n.wrap=function(e,t){return function(){var n=[e];return nt.apply(n,arguments),t.apply(this,n)}},n.zip=function(e){for(var t=-1,n=e?k(L(arguments,"length")):0,r=Array(n);++t<n;)r[t]=L(arguments,t);return r},n.collect=C,n.drop=H,n.each=At,n.extend=c,n.methods=d,n.select=T,n.tail=H,n.unique=j,n.clone=function(e){return e&&Et[typeof e]?kt(e)?f(e):c({},e):e},n.contains=S,n.escape=function(e){return null==e?"":(e+"").replace(Q,u)},n.every=x,n.find=N,
n.has=function(e,t){return e?tt.call(e,t):!1},n.identity=I,n.indexOf=P,n.isArray=kt,n.isBoolean=function(e){return!0===e||!1===e||rt.call(e)==pt},n.isDate=function(e){return e instanceof Date||rt.call(e)==dt},n.isElement=function(e){return e?1===e.nodeType:!1},n.isEmpty=function(e){if(!e)return!0;if(kt(e)||w(e))return!e.length;for(var t in e)if(tt.call(e,t))return!1;return!0},n.isEqual=m,n.isFinite=function(e){return ot(e)&&!ut(parseFloat(e))},n.isFunction=g,n.isNaN=function(e){return b(e)&&e!=+e
},n.isNull=function(e){return null===e},n.isNumber=b,n.isObject=y,n.isRegExp=function(e){return e instanceof RegExp||rt.call(e)==gt},n.isString=w,n.isUndefined=function(e){return"undefined"==typeof e},n.lastIndexOf=function(e,t,n){var r=e?e.length:0;for("number"==typeof n&&(r=(0>n?ft(0,r+n):lt(n,r-1))+1);r--;)if(e[r]===t)return r;return-1},n.mixin=q,n.noConflict=function(){return e._=V,this},n.random=function(e,t){return null==e&&null==t&&(t=1),e=+e||0,null==t&&(t=e,e=0),e+et(ct()*((+t||0)-e+1))}
,n.reduce=A,n.reduceRight=O,n.result=function(e,t){var n=e?e[t]:null;return g(n)?e[t]():n},n.size=function(e){var t=e?e.length:0;return"number"==typeof t?t:Lt(e).length},n.some=M,n.sortedIndex=B,n.template=function(e,t,r){e||(e="");var r=p({},r,n.templateSettings),i=0,s="__p+='",u=r.variable;e.replace(RegExp((r.escape||K).source+"|"+(r.interpolate||K).source+"|"+(r.evaluate||K).source+"|$","g"),function(t,n,r,u,a){s+=e.slice(i,a).replace(G,o),s+=n?"'+_['escape']("+n+")+'":u?"';"+u+";__p+='":r?"'+((__t=("+
r+"))==null?'':__t)+'":"",i=a+t.length}),s+="';\n",u||(u="obj",s="with("+u+"||{}){"+s+"}"),s="function("+u+"){var __t,__p='',__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}"+s+"return __p}";try{var a=Function("_","return "+s)(n)}catch(f){throw f.source=s,f}return t?a(t):(a.source=s,a)},n.unescape=function(e){return null==e?"":(e+"").replace($,l)},n.uniqueId=function(e){var t=++W+"";return e?e+t:t},n.all=x,n.any=M,n.detect=N,n.foldl=A,n.foldr=O,n.include=S,n.inject=A,n.first=
_,n.last=function(e,t,n){if(e){var r=e.length;return null==t||n?e[r-1]:f(e,ft(0,r-t))}},n.take=_,n.head=_,n.chain=function(e){return e=new n(e),e.__chain__=!0,e},n.VERSION="1.0.0-rc.2",q(n),n.prototype.chain=function(){return this.__chain__=!0,this},n.prototype.value=function(){return this.__wrapped__},At("pop push reverse shift sort splice unshift".split(" "),function(e){var t=z[e];n.prototype[e]=function(){var e=this.__wrapped__;return t.apply(e,arguments),wt&&e.length===0&&delete e[0],this}}),
At(["concat","join","slice"],function(e){var t=z[e];n.prototype[e]=function(){var e=t.apply(this.__wrapped__,arguments);return this.__chain__&&(e=new n(e),e.__chain__=!0),e}}),R?"object"==typeof module&&module&&module.exports==R?(module.exports=n)._=n:R._=n:e._=n})(this);