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var baseFindIndex = require('./_baseFindIndex'),    baseIteratee = require('./_baseIteratee'),    toInteger = require('./toInteger');
/* Built-in method references for those with the same name as other `lodash` methods. */var nativeMax = Math.max;
/** * This method is like `_.find` except that it returns the index of the first * element `predicate` returns truthy for instead of the element itself. * * @static * @memberOf _ * @since 1.1.0 * @category Array * @param {Array} array The array to inspect. * @param {Function} [predicate=_.identity] The function invoked per iteration. * @param {number} [fromIndex=0] The index to search from. * @returns {number} Returns the index of the found element, else `-1`. * @example * * var users = [ *   { 'user': 'barney',  'active': false }, *   { 'user': 'fred',    'active': false }, *   { 'user': 'pebbles', 'active': true } * ]; * * _.findIndex(users, function(o) { return o.user == 'barney'; }); * // => 0 * * // The `_.matches` iteratee shorthand. * _.findIndex(users, { 'user': 'fred', 'active': false }); * // => 1 * * // The `_.matchesProperty` iteratee shorthand. * _.findIndex(users, ['active', false]); * // => 0 * * // The `_.property` iteratee shorthand. * _.findIndex(users, 'active'); * // => 2 */function findIndex(array, predicate, fromIndex) {  var length = array == null ? 0 : array.length;  if (!length) {    return -1;  }  var index = fromIndex == null ? 0 : toInteger(fromIndex);  if (index < 0) {    index = nativeMax(length + index, 0);  }  return baseFindIndex(array, baseIteratee(predicate, 3), index);}
module.exports = findIndex;