52 lines
1.8 KiB
JavaScript
52 lines
1.8 KiB
JavaScript
var arraySome = require('./arraySome');
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/**
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* A specialized version of `baseIsEqualDeep` for arrays with support for
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* partial deep comparisons.
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*
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* @private
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* @param {Array} array The array to compare.
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* @param {Array} other The other array to compare.
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* @param {Function} equalFunc The function to determine equivalents of values.
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* @param {Function} [customizer] The function to customize comparing arrays.
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* @param {boolean} [isLoose] Specify performing partial comparisons.
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* @param {Array} [stackA] Tracks traversed `value` objects.
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* @param {Array} [stackB] Tracks traversed `other` objects.
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* @returns {boolean} Returns `true` if the arrays are equivalent, else `false`.
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*/
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function equalArrays(array, other, equalFunc, customizer, isLoose, stackA, stackB) {
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var index = -1,
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arrLength = array.length,
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othLength = other.length;
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if (arrLength != othLength && !(isLoose && othLength > arrLength)) {
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return false;
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}
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// Ignore non-index properties.
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while (++index < arrLength) {
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var arrValue = array[index],
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othValue = other[index],
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result = customizer ? customizer(isLoose ? othValue : arrValue, isLoose ? arrValue : othValue, index) : undefined;
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if (result !== undefined) {
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if (result) {
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continue;
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}
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return false;
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}
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// Recursively compare arrays (susceptible to call stack limits).
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if (isLoose) {
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if (!arraySome(other, function(othValue) {
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return arrValue === othValue || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB);
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})) {
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return false;
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}
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} else if (!(arrValue === othValue || equalFunc(arrValue, othValue, customizer, isLoose, stackA, stackB))) {
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return false;
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}
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}
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return true;
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}
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module.exports = equalArrays;
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