lodash/internal/createFind.js

import baseCallback from './baseCallback';
import baseFind from './baseFind';
import baseFindIndex from './baseFindIndex';
import isArray from '../lang/isArray';

/**
 * Creates a `_.find` or `_.findLast` function.
 *
 * @private
 * @param {Function} eachFunc The function to iterate over a collection.
 * @param {boolean} [fromRight] Specify iterating from right to left.
 * @returns {Function} Returns the new find function.
 */
function createFind(eachFunc, fromRight) {
  return function(collection, predicate, thisArg) {
    predicate = baseCallback(predicate, thisArg, 3);
    if (isArray(collection)) {
      var index = baseFindIndex(collection, predicate, fromRight);
      return index > -1 ? collection[index] : undefined;
    }
    return baseFind(collection, predicate, eachFunc);
  };
}

export default createFind;