_baseIndexOfWith.js

/**
 * This function is like `baseIndexOf` except that it accepts a comparator.
 *
 * @private
 * @param {Array} array The array to inspect.
 * @param {*} value The value to search for.
 * @param {number} fromIndex The index to search from.
 * @param {Function} comparator The comparator invoked per element.
 * @returns {number} Returns the index of the matched value, else `-1`.
 */
function baseIndexOfWith(array, value, fromIndex, comparator) {
  var index = fromIndex - 1,
      length = array.length;

  while (++index < length) {
    if (comparator(array[index], value)) {
      return index;
    }
  }
  return -1;
}

module.exports = baseIndexOfWith;