From 44c10d720a0363ed57f61fda8feceeb0252dce1d Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Fri, 9 Aug 2013 08:22:38 -0700
Subject: [PATCH] Use `Date.now` in modern builds.

Former-commit-id: de4329c5f4eaa92da8447e1232ce28e00a0f885d
---
 build.js                      |  7 +++-
 build/pre-compile.js          |  1 +
 dist/lodash.compat.js         | 12 +++---
 dist/lodash.compat.min.js     |  4 +-
 dist/lodash.js                | 13 ++++---
 dist/lodash.min.js            | 70 +++++++++++++++++------------------
 dist/lodash.underscore.js     | 12 +++---
 dist/lodash.underscore.min.js |  4 +-
 lodash.js                     | 13 ++++---
 9 files changed, 72 insertions(+), 64 deletions(-)

diff --git a/build.js b/build.js
index fe986ff7e..e881eb5ed 100644
--- a/build.js
+++ b/build.js
@@ -3106,7 +3106,7 @@
           source = removeSupportProp(source, 'fastBind');
           source = replaceSupportProp(source, 'argsClass', 'false');
 
-          // remove native `Function#bind` branch in `_.bind`
+          // remove native `Function#bind` branch in `createBound`
           source = source.replace(matchFunction(source, 'createBound'), function(match) {
             return match.replace(/(?:\s*\/\/.*)*\n( *)if *\([^{]+?nativeBind[\s\S]+?\n\1else *\{([\s\S]+?)\n\1}/, function(match, indent, snippet) {
               return snippet
@@ -3171,6 +3171,11 @@
               return match.replace(/(?: *\/\/.*\n)*( *return ai[^:]+:).+/, '$1 1;');
             });
 
+            // replace `+new Date` with `Date.now` use in `_.debounce
+            source = source.replace(matchFunction(source, 'debounce'), function(match) {
+              return match.replace(/\+new Date\b/g, 'now()');
+            });
+
             // remove `shimIsPlainObject` from `_.isPlainObject`
             source = source.replace(matchFunction(source, 'isPlainObject'), function(match) {
               return match.replace(/!getPrototypeOf[^:]+:\s*/, '');
diff --git a/build/pre-compile.js b/build/pre-compile.js
index ad34b0f27..8dfaa2ca3 100644
--- a/build/pre-compile.js
+++ b/build/pre-compile.js
@@ -202,6 +202,7 @@
     'nodeClass',
     'nonEnumArgs',
     'nonEnumShadows',
+    'now',
     'null',
     'number',
     'object',
diff --git a/dist/lodash.compat.js b/dist/lodash.compat.js
index 07d03bed8..1d2b999e6 100644
--- a/dist/lodash.compat.js
+++ b/dist/lodash.compat.js
@@ -5320,7 +5320,7 @@
         clear();
         if (isCalled) {
           if (maxWait !== false) {
-            lastCalled = new Date;
+            lastCalled = +new Date;
           }
           result = func.apply(thisArg, args);
         }
@@ -5329,7 +5329,7 @@
       var maxDelayed = function() {
         clear();
         if (trailing || (maxWait !== wait)) {
-          lastCalled = new Date;
+          lastCalled = +new Date;
           result = func.apply(thisArg, args);
         }
       };
@@ -5348,15 +5348,15 @@
             result = func.apply(thisArg, args);
           }
         } else {
-          var now = new Date;
+          var stamp = +new Date;
           if (!maxTimeoutId && !leading) {
-            lastCalled = now;
+            lastCalled = stamp;
           }
-          var remaining = maxWait - (now - lastCalled);
+          var remaining = maxWait - (stamp - lastCalled);
           if (remaining <= 0) {
             clearTimeout(maxTimeoutId);
             maxTimeoutId = null;
-            lastCalled = now;
+            lastCalled = stamp;
             result = func.apply(thisArg, args);
           }
           else if (!maxTimeoutId) {
diff --git a/dist/lodash.compat.min.js b/dist/lodash.compat.min.js
index d2558bf8a..ff1672f66 100644
--- a/dist/lodash.compat.min.js
+++ b/dist/lodash.compat.min.js
@@ -22,8 +22,8 @@ e+="}"}return(n.b||$r.nonEnumArgs)&&(e+="}"),e+=n.c+";return E",t=t("d,j,k,m,o,p
 }}else t=!t&&_t(n)?u:_.createCallback(t,r,3),Ur(n,function(n,r,u){r=t(n,r,u),r>e&&(e=r,o=n)});return o}function It(n,t,r,e){var u=3>arguments.length;if(t=Y(t,e,4),zr(n)){var o=-1,a=n.length;for(u&&(r=n[++o]);++o<a;)r=t(r,n[o],o,n)}else Ur(n,function(n,e,o){r=u?(u=b,n):t(r,n,e,o)});return r}function Bt(n,t,r,e){var u=3>arguments.length;return t=Y(t,e,4),Ot(n,function(n,e,o){r=u?(u=b,n):t(r,n,e,o)}),r}function Pt(n,t,r){var e;if(t=_.createCallback(t,r,3),zr(n)){r=-1;for(var u=n.length;++r<u&&!(e=t(n[r],r,n)););}else Ur(n,function(n,r,u){return!(e=t(n,r,u))
 });return!!e}function Dt(n){var e=-1,u=lt(),o=n?n.length:0,i=Z(arguments,m,m,1),f=[],c=o>=E&&u===t;if(c){var l=a(i);l?(u=r,i=l):c=b}for(;++e<o;)l=n[e],0>u(i,l)&&f.push(l);return c&&g(i),f}function Nt(n,t,r){if(n){var e=0,u=n.length;if(typeof t!="number"&&t!=d){var o=-1;for(t=_.createCallback(t,r,3);++o<u&&t(n[o],o,n);)e++}else if(e=t,e==d||r)return n[0];return h(n,0,Ar(Sr(0,e),u))}}function Ft(n,r,e){if(typeof e=="number"){var u=n?n.length:0;e=0>e?Sr(0,u+e):e||0}else if(e)return e=$t(n,r),n[e]===r?e:-1;
 return n?t(n,r,e):-1}function Rt(n,t,r){if(typeof t!="number"&&t!=d){var e=0,u=-1,o=n?n.length:0;for(t=_.createCallback(t,r,3);++u<o&&t(n[u],u,n);)e++}else e=t==d||r?1:Sr(0,t);return h(n,e)}function $t(n,t,r,e){var u=0,o=n?n.length:u;for(r=r?_.createCallback(r,e,1):Gt,t=r(t);u<o;)e=u+o>>>1,r(n[e])<t?u=e+1:o=e;return u}function zt(n,t,r,e){return typeof t!="boolean"&&t!=d&&(e=r,r=e&&e[t]===n?y:t,t=b),r!=d&&(r=_.createCallback(r,e,3)),ut(n,t,r)}function Lt(){for(var n=1<arguments.length?arguments:arguments[0],t=-1,r=n?At(ee(n,"length")):0,e=Ht(0>r?0:r);++t<r;)e[t]=ee(n,t);
-return e}function Tt(n,t){for(var r=-1,e=n?n.length:0,u={};++r<e;){var o=n[r];t?u[o]=t[r]:o&&(u[o[0]]=o[1])}return u}function qt(n,t){return at(n,9,Pr.call(arguments,2),d,t)}function Kt(n,t,r){function e(){o(),(h||p!==t)&&(l=new Vt,i=n.apply(f,a))}function u(){var t=h&&(!v||1<c);o(),t&&(p!==false&&(l=new Vt),i=n.apply(f,a))}function o(){lr(s),lr(g),c=0,s=g=d}var a,i,f,c=0,l=0,p=b,s=d,g=d,h=m;if(!mt(n))throw new rr;if(t=Sr(0,t||0),r===m)var v=m,h=b;else dt(r)&&(v=r.leading,p="maxWait"in r&&Sr(t,r.maxWait||0),h="trailing"in r?r.trailing:h);
-return function(){if(a=arguments,f=this,c++,lr(g),p===false)v&&2>c&&(i=n.apply(f,a));else{var r=new Vt;!s&&!v&&(l=r);var o=p-(r-l);0<o?s||(s=dr(e,o)):(lr(s),s=d,l=r,i=n.apply(f,a))}return t!==p&&(g=dr(u,t)),i}}function Wt(n){if(!mt(n))throw new rr;var t=Pr.call(arguments,1);return dr(function(){n.apply(y,t)},1)}function Gt(n){return n}function Jt(n,t){var r=n,e=!t||mt(r);t||(r=w,t=n,n=_),Et(vt(t),function(u){var o=n[u]=t[u];e&&(r.prototype[u]=function(){var t=this.__wrapped__,e=[t];return vr.apply(e,arguments),e=o.apply(n,e),t&&typeof t=="object"&&t===e?this:new r(e)
+return e}function Tt(n,t){for(var r=-1,e=n?n.length:0,u={};++r<e;){var o=n[r];t?u[o]=t[r]:o&&(u[o[0]]=o[1])}return u}function qt(n,t){return at(n,9,Pr.call(arguments,2),d,t)}function Kt(n,t,r){function e(){o(),(h||p!==t)&&(l=+new Vt,i=n.apply(f,a))}function u(){var t=h&&(!v||1<c);o(),t&&(p!==false&&(l=+new Vt),i=n.apply(f,a))}function o(){lr(s),lr(g),c=0,s=g=d}var a,i,f,c=0,l=0,p=b,s=d,g=d,h=m;if(!mt(n))throw new rr;if(t=Sr(0,t||0),r===m)var v=m,h=b;else dt(r)&&(v=r.leading,p="maxWait"in r&&Sr(t,r.maxWait||0),h="trailing"in r?r.trailing:h);
+return function(){if(a=arguments,f=this,c++,lr(g),p===false)v&&2>c&&(i=n.apply(f,a));else{var r=+new Vt;!s&&!v&&(l=r);var o=p-(r-l);0<o?s||(s=dr(e,o)):(lr(s),s=d,l=r,i=n.apply(f,a))}return t!==p&&(g=dr(u,t)),i}}function Wt(n){if(!mt(n))throw new rr;var t=Pr.call(arguments,1);return dr(function(){n.apply(y,t)},1)}function Gt(n){return n}function Jt(n,t){var r=n,e=!t||mt(r);t||(r=w,t=n,n=_),Et(vt(t),function(u){var o=n[u]=t[u];e&&(r.prototype[u]=function(){var t=this.__wrapped__,e=[t];return vr.apply(e,arguments),e=o.apply(n,e),t&&typeof t=="object"&&t===e?this:new r(e)
 })})}function Mt(){return this.__wrapped__}e=e?rt.defaults(n.Object(),e,rt.pick(n,z)):n;var Ht=e.Array,Ut=e.Boolean,Vt=e.Date,Qt=e.Function,Xt=e.Math,Yt=e.Number,Zt=e.Object,nr=e.RegExp,tr=e.String,rr=e.TypeError,er=[],ur=e.Error.prototype,or=Zt.prototype,ar=tr.prototype,ir=e._,fr=nr("^"+tr(or.valueOf).replace(/[.*+?^${}()|[\]\\]/g,"\\$&").replace(/valueOf|for [^\]]+/g,".+?")+"$"),cr=Xt.ceil,lr=e.clearTimeout,pr=fr.test(pr=Zt.defineProperty)&&pr,sr=Xt.floor,gr=fr.test(gr=Zt.getPrototypeOf)&&gr,hr=or.hasOwnProperty,vr=er.push,yr=or.propertyIsEnumerable,mr=e.setImmediate,dr=e.setTimeout,br=er.splice,_r=or.toString,wr=er.unshift,jr=fr.test(jr=_r.bind)&&jr,kr=fr.test(kr=Zt.create)&&kr,xr=fr.test(xr=Ht.isArray)&&xr,Cr=e.isFinite,Er=e.isNaN,Or=fr.test(Or=Zt.keys)&&Or,Sr=Xt.max,Ar=Xt.min,Ir=e.parseInt,Br=Xt.random,Pr=er.slice,Dr=fr.test(e.attachEvent),Nr=jr&&!/\n|true/.test(jr+Dr),Fr={};
 Fr[q]=Ht,Fr[K]=Ut,Fr[W]=Vt,Fr[J]=Qt,Fr[H]=Zt,Fr[M]=Yt,Fr[U]=nr,Fr[V]=tr;var Rr={};Rr[q]=Rr[W]=Rr[M]={constructor:m,toLocaleString:m,toString:m,valueOf:m},Rr[K]=Rr[V]={constructor:m,toString:m,valueOf:m},Rr[G]=Rr[J]=Rr[U]={constructor:m,toString:m},Rr[H]={constructor:m},function(){for(var n=L.length;n--;){var t,r=L[n];for(t in Rr)hr.call(Rr,t)&&!hr.call(Rr[t],r)&&(Rr[t][r]=b)}}(),w.prototype=_.prototype;var $r=_.support={};!function(){function n(){this.x=1}var t={0:1,length:1},r=[];n.prototype={valueOf:1};
 for(var e in new n)r.push(e);for(e in arguments);$r.argsObject=arguments.constructor==Zt&&!(arguments instanceof Ht),$r.argsClass=_r.call(arguments)==T,$r.enumErrorProps=yr.call(ur,"message")||yr.call(ur,"name"),$r.enumPrototypes=yr.call(n,"prototype"),$r.fastBind=jr&&!Nr,$r.ownLast="x"!=r[0],$r.nonEnumArgs=0!=e,$r.nonEnumShadows=!/valueOf/.test(r),$r.spliceObjects=(er.splice.call(t,0,1),!t[0]),$r.unindexedChars="xx"!="x"[0]+Zt("x")[0];try{$r.nodeClass=!(_r.call(document)==H&&!({toString:0}+""))}catch(u){$r.nodeClass=m
diff --git a/dist/lodash.js b/dist/lodash.js
index b76e536d9..b50f3b7ad 100644
--- a/dist/lodash.js
+++ b/dist/lodash.js
@@ -458,6 +458,7 @@
         fnToString = Function.prototype.toString,
         getPrototypeOf = reNative.test(getPrototypeOf = Object.getPrototypeOf) && getPrototypeOf,
         hasOwnProperty = objectProto.hasOwnProperty,
+        now = reNative.test(now = Date.now) && now,
         push = arrayRef.push,
         setImmediate = context.setImmediate,
         setTimeout = context.setTimeout,
@@ -5007,7 +5008,7 @@
         clear();
         if (isCalled) {
           if (maxWait !== false) {
-            lastCalled = new Date;
+            lastCalled = now();
           }
           result = func.apply(thisArg, args);
         }
@@ -5016,7 +5017,7 @@
       var maxDelayed = function() {
         clear();
         if (trailing || (maxWait !== wait)) {
-          lastCalled = new Date;
+          lastCalled = now();
           result = func.apply(thisArg, args);
         }
       };
@@ -5035,15 +5036,15 @@
             result = func.apply(thisArg, args);
           }
         } else {
-          var now = new Date;
+          var stamp = now();
           if (!maxTimeoutId && !leading) {
-            lastCalled = now;
+            lastCalled = stamp;
           }
-          var remaining = maxWait - (now - lastCalled);
+          var remaining = maxWait - (stamp - lastCalled);
           if (remaining <= 0) {
             clearTimeout(maxTimeoutId);
             maxTimeoutId = null;
-            lastCalled = now;
+            lastCalled = stamp;
             result = func.apply(thisArg, args);
           }
           else if (!maxTimeoutId) {
diff --git a/dist/lodash.min.js b/dist/lodash.min.js
index 2582f96ae..17603df60 100644
--- a/dist/lodash.min.js
+++ b/dist/lodash.min.js
@@ -5,45 +5,45 @@
  */
 ;!function(n){function t(n,t,r){r=(r||0)-1;for(var e=n?n.length:0;++r<e;)if(n[r]===t)return r;return-1}function r(n,r){var e=typeof r;if(n=n.k,"boolean"==e||r==m)return n[r];"number"!=e&&"string"!=e&&(e="object");var u="number"==e?r:j+r;return n=n[e]||(n[e]={}),"object"==e?n[u]&&-1<t(n[u],r)?0:-1:n[u]?0:-1}function e(n){var t=this.k,r=typeof n;if("boolean"==r||n==m)t[n]=y;else{"number"!=r&&"string"!=r&&(r="object");var e="number"==r?n:j+n,t=t[r]||(t[r]={});"object"==r?(t[e]||(t[e]=[])).push(n):t[e]=y
 }}function u(n){return n.charCodeAt(0)}function o(n,t){var r=n.m,e=t.m;if(n=n.l,t=t.l,n!==t){if(n>t||typeof n=="undefined")return 1;if(n<t||typeof t=="undefined")return-1}return r<e?-1:1}function a(n){var t=-1,r=n.length,u=n[0],o=n[r-1];if(u&&typeof u=="object"&&o&&typeof o=="object")return _;for(u=c(),u["false"]=u["null"]=u["true"]=u.undefined=_,o=c(),o.b=n,o.k=u,o.push=e;++t<r;)o.push(n[t]);return o}function i(n){return"\\"+H[n]}function f(){return b.pop()||[]}function c(){return d.pop()||{b:m,k:m,configurable:_,l:m,enumerable:_,"false":_,m:0,leading:_,maxWait:0,"null":_,number:m,z:m,push:m,string:m,trailing:_,"true":_,undefined:_,n:m,writable:_}
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diff --git a/dist/lodash.underscore.js b/dist/lodash.underscore.js
index 4dd6473d5..cb54d4ef6 100644
--- a/dist/lodash.underscore.js
+++ b/dist/lodash.underscore.js
@@ -3670,7 +3670,7 @@
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+          lastCalled = +new Date;
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+        lastCalled = +new Date;
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         }
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+        var stamp = +new Date;
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-          lastCalled = now;
+          lastCalled = stamp;
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+        var remaining = maxWait - (stamp - lastCalled);
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-          lastCalled = now;
+          lastCalled = stamp;
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diff --git a/dist/lodash.underscore.min.js b/dist/lodash.underscore.min.js
index 2ab70f206..7db6f430d 100644
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-}}function Q(n){return n}function X(n){R(b(n),function(r){var t=i[r]=n[r];i.prototype[r]=function(){var n=[this.__wrapped__];return Er.apply(n,arguments),n=t.apply(i,n),this.__chain__&&(n=new o(n),n.__chain__=!0),n}})}var Y,Z=0,nr={},rr=+new Date+"",tr=/($^)/,er=/['\n\r\t\u2028\u2029\\]/g,ur="[object Arguments]",ir="[object Array]",or="[object Boolean]",ar="[object Date]",fr="[object Number]",lr="[object Object]",cr="[object RegExp]",pr="[object String]",sr={"boolean":!1,"function":!0,object:!0,number:!1,string:!1,undefined:!1},vr={"\\":"\\","'":"'","\n":"n","\r":"r","\t":"t","\u2028":"u2028","\u2029":"u2029"},hr=sr[typeof exports]&&exports,gr=sr[typeof module]&&module&&module.exports==hr&&module,yr=sr[typeof global]&&global;
+else E(t)&&(s=t.leading,f="maxWait"in t&&Br(r,t.maxWait||0),p="trailing"in t?t.trailing:p);var v=function(){clearTimeout(l),clearTimeout(c),o=0,l=c=null},h=function(){var r=p&&(!s||1<o);v(),r&&(false!==f&&(a=+new Date),u=n.apply(i,e))},g=function(){v(),(p||f!==r)&&(a=+new Date,u=n.apply(i,e))};return function(){if(e=arguments,i=this,o++,clearTimeout(c),false===f)s&&2>o&&(u=n.apply(i,e));else{var t=+new Date;!l&&!s&&(a=t);var p=f-(t-a);0<p?l||(l=setTimeout(g,p)):(clearTimeout(l),l=null,a=t,u=n.apply(i,e))
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diff --git a/lodash.js b/lodash.js
index 9fb1d66af..a1f861a38 100644
--- a/lodash.js
+++ b/lodash.js
@@ -497,6 +497,7 @@
         fnToString = Function.prototype.toString,
         getPrototypeOf = reNative.test(getPrototypeOf = Object.getPrototypeOf) && getPrototypeOf,
         hasOwnProperty = objectProto.hasOwnProperty,
+        now = reNative.test(now = Date.now) && now,
         push = arrayRef.push,
         propertyIsEnumerable = objectProto.propertyIsEnumerable,
         setImmediate = context.setImmediate,
@@ -5372,7 +5373,7 @@
         clear();
         if (isCalled) {
           if (maxWait !== false) {
-            lastCalled = new Date;
+            lastCalled = +new Date;
           }
           result = func.apply(thisArg, args);
         }
@@ -5381,7 +5382,7 @@
       var maxDelayed = function() {
         clear();
         if (trailing || (maxWait !== wait)) {
-          lastCalled = new Date;
+          lastCalled = +new Date;
           result = func.apply(thisArg, args);
         }
       };
@@ -5400,15 +5401,15 @@
             result = func.apply(thisArg, args);
           }
         } else {
-          var now = new Date;
+          var stamp = +new Date;
           if (!maxTimeoutId && !leading) {
-            lastCalled = now;
+            lastCalled = stamp;
           }
-          var remaining = maxWait - (now - lastCalled);
+          var remaining = maxWait - (stamp - lastCalled);
           if (remaining <= 0) {
             clearTimeout(maxTimeoutId);
             maxTimeoutId = null;
-            lastCalled = now;
+            lastCalled = stamp;
             result = func.apply(thisArg, args);
           }
           else if (!maxTimeoutId) {