Mirrors/lodash
1
0
Fork 0
mirror of https://github.com/whoisclebs/lodash.git synced 2026-01-31 15:27:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

Optimize _.reduce and _.reduceRight.

Browse Source
This commit is contained in:
jdalton
2015-03-11 00:42:31 -07:00
parent 56c5ebcb71
commit b535c4f321
1 changed files with 8 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
lodash.src.js
View File

@@ -6641,8 +6641,10 @@
* // => { 'a': 3, 'b': 6 } (iteration order is not guaranteed)
*/
function reduce(collection, iteratee, accumulator, thisArg) {
var func = isArray(collection) ? arrayReduce : baseReduce;
return func(collection, getCallback(iteratee, thisArg, 4), accumulator, arguments.length < 3, baseEach);
var initFromArray = arguments.length < 3;
return (typeof iteratee == 'function' && typeof thisArg == 'undefined' && isArray(collection))
? arrayReduce(collection, iteratee, accumulator, initFromArray)
: baseReduce(collection, getCallback(iteratee, thisArg, 4), accumulator, initFromArray, baseEach);
}
/**
@@ -6668,8 +6670,10 @@
* // => [4, 5, 2, 3, 0, 1]
*/
function reduceRight(collection, iteratee, accumulator, thisArg) {
var func = isArray(collection) ? arrayReduceRight : baseReduce;
return func(collection, getCallback(iteratee, thisArg, 4), accumulator, arguments.length < 3, baseEachRight);
var initFromArray = arguments.length < 3;
return (typeof iteratee == 'function' && typeof thisArg == 'undefined' && isArray(collection))
? arrayReduceRight(collection, iteratee, accumulator, initFromArray)
: baseReduce(collection, getCallback(iteratee, thisArg, 4), accumulator, initFromArray, baseEachRight);
}
/**