react-router-ga/example/node_modules/collection-visit/index.js

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/*!
 * collection-visit <https://github.com/jonschlinkert/collection-visit>
 *
 * Copyright (c) 2015, 2017, Jon Schlinkert.
 * Released under the MIT License.
 */

'use strict';

var visit = require('object-visit');
var mapVisit = require('map-visit');

module.exports = function(collection, method, val) {
  var result;

  if (typeof val === 'string' && (method in collection)) {
    var args = [].slice.call(arguments, 2);
    result = collection[method].apply(collection, args);
  } else if (Array.isArray(val)) {
    result = mapVisit.apply(null, arguments);
  } else {
    result = visit.apply(null, arguments);
  }

  if (typeof result !== 'undefined') {
    return result;
  }

  return collection;
};