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Only use SetCache in baseIntersection only when arrays[0] is large.

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John-David Dalton
2016-02-27 20:44:19 -08:00
parent 98bdd67cf2
commit dfd865dadc
1 changed files with 3 additions and 4 deletions
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7
lodash.js
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@@ -2766,6 +2766,7 @@
*/
function baseIntersection(arrays, iteratee, comparator) {
var includes = comparator ? arrayIncludesWith : arrayIncludes,
length = arrays[0].length,
othLength = arrays.length,
othIndex = othLength,
caches = Array(othLength),
@@ -2777,14 +2778,12 @@
if (othIndex && iteratee) {
array = arrayMap(array, baseUnary(iteratee));
}
var length = array.length;
maxLength = length < maxLength ? length : maxLength;
caches[othIndex] = !comparator && (iteratee || length >= 120)
maxLength = nativeMin(array.length, maxLength);
caches[othIndex] = !comparator && (iteratee || (length >= 120 && array.length >= 120))
? new SetCache(othIndex && array)
: undefined;
}
array = arrays[0];
length = array.length;
var index = -1,
seen = caches[0];