code: function baseFindIndex$1(array, predicate, fromIndex, fromRight) {
    var length = array.length,
        index = fromIndex + (fromRight ? 1 : -1);
  
    while (fromRight ? index-- : ++index < length) {
      if (predicate(array[index], index, array)) {
        return index;
      }
    }
    return -1;
  }
docs: The base implementation of `_.findIndex` and `_.findLastIndex` without
  support for iteratee shorthands.
  
  @private
  @param {Array} array The array to inspect.
  @param {Function} predicate The function invoked per iteration.
  @param {number} fromIndex The index to search from.
  @param {boolean} [fromRight] Specify iterating from right to left.
  @returns {number} Returns the index of the matched value, else `-1`.