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Split _.sample out to arraySample.

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This commit is contained in:
John-David Dalton
2016-09-01 20:03:40 -07:00
parent 212e4a6407
commit 4a5f8fa974
1 changed files with 14 additions and 4 deletions
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18
lodash.js
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@@ -712,6 +712,19 @@
return accumulator;
}
/**
* A specialized version of `_.sample` for arrays without support for iteratee
* shorthands.
*
* @private
* @param {Array} array The array to sample.
* @returns {*} Returns the random element.
*/
function arraySample(array) {
var length = array.length;
return length ? array[baseRandom(0, length - 1)] : undefined;
}
/**
* A specialized version of `_.some` for arrays without support for iteratee
* shorthands.
@@ -9575,10 +9588,7 @@
* // => 2
*/
function sample(collection) {
var array = isArrayLike(collection) ? collection : values(collection),
length = array.length;
return length > 0 ? array[baseRandom(0, length - 1)] : undefined;
return arraySample(isArrayLike(collection) ? collection : values(collection));
}
/**