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lastIndexOf.js
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var baseFindIndex = require('./_baseFindIndex'), baseIsNaN = require('./_baseIsNaN'), strictLastIndexOf = require('./_strictLastIndexOf'), toInteger = require('./toInteger');
/* Built-in method references for those with the same name as other `lodash` methods. */var nativeMax = Math.max, nativeMin = Math.min;
/** * This method is like `_.indexOf` except that it iterates over elements of * `array` from right to left. * * @static * @memberOf _ * @since 0.1.0 * @category Array * @param {Array} array The array to inspect. * @param {*} value The value to search for. * @param {number} [fromIndex=array.length-1] The index to search from. * @returns {number} Returns the index of the matched value, else `-1`. * @example * * _.lastIndexOf([1, 2, 1, 2], 2); * // => 3 * * // Search from the `fromIndex`. * _.lastIndexOf([1, 2, 1, 2], 2, 2); * // => 1 */function lastIndexOf(array, value, fromIndex) { var length = array == null ? 0 : array.length; if (!length) { return -1; } var index = length; if (fromIndex !== undefined) { index = toInteger(fromIndex); index = index < 0 ? nativeMax(length + index, 0) : nativeMin(index, length - 1); } return value === value ? strictLastIndexOf(array, value, index) : baseFindIndex(array, baseIsNaN, index, true);}
module.exports = lastIndexOf;
lodash

Version Info

Tagged at
3 years ago

External Dependencies

No external dependencies 🎉