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Ensure _.reduce doesn't assign accumulator a collection value if its length is 0.

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This commit is contained in:
John-David Dalton
2013-12-25 00:21:45 -06:00
parent 2dab4ccf85
commit 0438fa6816
5 changed files with 41 additions and 27 deletions
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2
dist/lodash.compat.js vendored
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@@ -4109,7 +4109,7 @@
var index = -1,
length = collection.length;
if (noaccum) {
if (noaccum && length) {
accumulator = collection[++index];
}
while (++index < length) {

2
dist/lodash.compat.min.js vendored
View File

@@ -23,7 +23,7 @@ for(t=t&&typeof r=="undefined"?t:ut(t,r,3);++e<o&&(r=u[e],false!==t(n[r],r,n));)
}function Rt(n){return typeof n=="string"||n&&typeof n=="object"&&xr.call(n)==H||false}function Tt(n){for(var t=-1,r=Zr(n),e=r.length,u=ir(e);++t<e;)u[t]=n[r[t]];return u}function Pt(n,t,r){var e=n?n.length:0;if(r=typeof r=="number"?r:0,typeof e=="number"){if(r>=e)return false;if(typeof n=="string"||!Xr(n)&&Rt(n))return qr?qr.call(n,t,r):-1<n.indexOf(t,r);var u=dt();return r=(0>r?Kr(0,e+r):r)||0,-1<u(n,t,r)}var o=-1,a=false;return ft(n,function(n){return++o<r?void 0:!(a=n===t)}),a}function Dt(n,t,r){var e=true;
if(t=v.createCallback(t,r,3),Xr(n)){r=-1;for(var u=n.length;++r<u&&(e=!!t(n[r],r,n)););}else ft(n,function(n,r,u){return e=!!t(n,r,u)});return e}function $t(n,t,r){var e=[];if(t=v.createCallback(t,r,3),Xr(n)){r=-1;for(var u=n.length;++r<u;){var o=n[r];t(o,r,n)&&e.push(o)}}else ft(n,function(n,r,u){t(n,r,u)&&e.push(n)});return e}function qt(n,t,r){if(t=v.createCallback(t,r,3),!Xr(n)){var e;return ft(n,function(n,r,u){return t(n,r,u)?(e=n,false):void 0}),e}r=-1;for(var u=n.length;++r<u;){var o=n[r];if(t(o,r,n))return o
}}function Ft(n,t,r){if(t&&typeof r=="undefined"&&Xr(n)){r=-1;for(var e=n.length;++r<e&&false!==t(n[r],r,n););}else ft(n,t,r);return n}function Bt(n,t,r){var e=n,u=n?n.length:0;if(t=t&&typeof r=="undefined"?t:ut(t,r,3),Xr(n))for(;u--&&false!==t(n[u],u,n););else{if(typeof u!="number")var o=Zr(n),u=o.length;else Jr.unindexedChars&&Rt(n)&&(e=n.split(""));ft(e,function(r,a){return a=o?o[--u]:--u,t(e[a],a,n)})}return n}function Lt(n,t,r){var e=-1,u=n?n.length:0,o=ir(typeof u=="number"?u:0);if(t=v.createCallback(t,r,3),Xr(n))for(;++e<u;)o[e]=t(n[e],e,n);
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else ft(n,function(n,r,u){o[++e]=t(n,r,u)});return o}function Wt(n,t,r){var u=-1/0,o=u;if(typeof t!="function"&&r&&r[t]===n&&(t=null),null==t&&Xr(n)){r=-1;for(var a=n.length;++r<a;){var i=n[r];i>o&&(o=i)}}else t=null==t&&Rt(n)?e:v.createCallback(t,r,3),ft(n,function(n,r,e){r=t(n,r,e),r>u&&(u=r,o=n)});return o}function zt(n,t,r,e){var u=3>arguments.length;if(t=v.createCallback(t,e,4),Xr(n)){var o=-1,a=n.length;for(u&&a&&(r=n[++o]);++o<a;)r=t(r,n[o],o,n)}else ft(n,function(n,e,o){r=u?(u=false,n):t(r,n,e,o)
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