name : sortedIndexBy.js var baseIteratee = require('./_baseIteratee'), baseSortedIndexBy = require('./_baseSortedIndexBy'); /** * This method is like `_.sortedIndex` except that it accepts `iteratee` * which is invoked for `value` and each element of `array` to compute their * sort ranking. The iteratee is invoked with one argument: (value). * * @static * @memberOf _ * @since 4.0.0 * @category Array * @param {Array} array The sorted array to inspect. * @param {*} value The value to evaluate. * @param {Function} [iteratee=_.identity] The iteratee invoked per element. * @returns {number} Returns the index at which `value` should be inserted * into `array`. * @example * * var objects = [{ 'x': 4 }, { 'x': 5 }]; * * _.sortedIndexBy(objects, { 'x': 4 }, function(o) { return o.x; }); * // => 0 * * // The `_.property` iteratee shorthand. * _.sortedIndexBy(objects, { 'x': 4 }, 'x'); * // => 0 */ function sortedIndexBy(array, value, iteratee) { return baseSortedIndexBy(array, value, baseIteratee(iteratee, 2)); } module.exports = sortedIndexBy;