26 lines
843 B
JavaScript
26 lines
843 B
JavaScript
var baseCallback = require('./baseCallback'),
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baseFind = require('./baseFind'),
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baseFindIndex = require('./baseFindIndex'),
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isArray = require('../lang/isArray');
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/**
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* Creates a `_.find` or `_.findLast` function.
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*
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* @private
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* @param {Function} eachFunc The function to iterate over a collection.
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* @param {boolean} [fromRight] Specify iterating from right to left.
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* @returns {Function} Returns the new find function.
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*/
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function createFind(eachFunc, fromRight) {
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return function(collection, predicate, thisArg) {
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predicate = baseCallback(predicate, thisArg, 3);
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if (isArray(collection)) {
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var index = baseFindIndex(collection, predicate, fromRight);
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return index > -1 ? collection[index] : undefined;
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}
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return baseFind(collection, predicate, eachFunc);
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};
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}
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module.exports = createFind;
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