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33 lines
886 B
33 lines
886 B
var isArrayLike = require('./isArrayLike');
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/**
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* Creates a `baseEach` or `baseEachRight` 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 base function.
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*/
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function createBaseEach(eachFunc, fromRight) {
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return function(collection, iteratee) {
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if (collection == null) {
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return collection;
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}
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if (!isArrayLike(collection)) {
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return eachFunc(collection, iteratee);
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}
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var length = collection.length,
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index = fromRight ? length : -1,
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iterable = Object(collection);
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while ((fromRight ? index-- : ++index < length)) {
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if (iteratee(iterable[index], index, iterable) === false) {
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break;
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}
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}
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return collection;
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};
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}
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module.exports = createBaseEach;
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