/**
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* @fileoverview This module has some functions for handling object as collection.
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* @author NHN.
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* FE Development Lab <dl_javascript@nhn.com>
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*/
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'use strict';
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var object = require('./object');
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var collection = require('./collection');
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var type = require('./type');
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var ms7days = 7 * 24 * 60 * 60 * 1000;
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/**
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* Check if the date has passed 7 days
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* @param {number} date - milliseconds
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* @returns {boolean}
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* @ignore
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*/
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function isExpired(date) {
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var now = new Date().getTime();
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return now - date > ms7days;
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}
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/**
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* Send hostname on DOMContentLoaded.
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* To prevent hostname set tui.usageStatistics to false.
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* @param {string} appName - application name
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* @param {string} trackingId - GA tracking ID
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* @ignore
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*/
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function sendHostname(appName, trackingId) {
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var url = 'https://www.google-analytics.com/collect';
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var hostname = location.hostname;
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var hitType = 'event';
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var eventCategory = 'use';
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var applicationKeyForStorage = 'TOAST UI ' + appName + ' for ' + hostname + ': Statistics';
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var date = window.localStorage.getItem(applicationKeyForStorage);
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// skip if the flag is defined and is set to false explicitly
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if (!type.isUndefined(window.tui) && window.tui.usageStatistics === false) {
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return;
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}
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// skip if not pass seven days old
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if (date && !isExpired(date)) {
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return;
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}
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window.localStorage.setItem(applicationKeyForStorage, new Date().getTime());
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setTimeout(function() {
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if (document.readyState === 'interactive' || document.readyState === 'complete') {
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imagePing(url, {
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v: 1,
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t: hitType,
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tid: trackingId,
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cid: hostname,
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dp: hostname,
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dh: appName,
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el: appName,
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ec: eventCategory
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});
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}
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}, 1000);
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}
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/**
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* Request image ping.
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* @param {String} url url for ping request
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* @param {Object} trackingInfo infos for make query string
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* @returns {HTMLElement}
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* @memberof tui.util
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* @example
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* //-- #1. Get Module --//
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* var util = require('tui-code-snippet'); // node, commonjs
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* var util = tui.util; // distribution file
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*
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* //-- #2. Use property --//
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* util.imagePing('https://www.google-analytics.com/collect', {
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* v: 1,
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* t: 'event',
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* tid: 'trackingid',
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* cid: 'cid',
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* dp: 'dp',
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* dh: 'dh'
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* });
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*/
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function imagePing(url, trackingInfo) {
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var queryString = collection.map(object.keys(trackingInfo), function(key, index) {
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var startWith = index === 0 ? '' : '&';
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return startWith + key + '=' + trackingInfo[key];
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}).join('');
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var trackingElement = document.createElement('img');
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trackingElement.src = url + '?' + queryString;
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trackingElement.style.display = 'none';
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document.body.appendChild(trackingElement);
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document.body.removeChild(trackingElement);
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return trackingElement;
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}
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module.exports = {
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imagePing: imagePing,
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sendHostname: sendHostname
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};
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