mirror of
https://codeberg.org/nobody/LocalCDN.git
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227 lines
7.0 KiB
JavaScript
227 lines
7.0 KiB
JavaScript
/**
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* Statistic
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* Belongs to LocalCDN (since 2020-02-26)
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*
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* @author nobody
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* @since 2020-02-26
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*
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* @license MPL 2.0
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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'use strict';
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/**
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* Statistic
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*/
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var statistics = {};
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/**
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* Private Methods
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*/
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statistics._onDocumentLoaded = function () {
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helpers.insertI18nContentIntoDocument(document);
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helpers.insertI18nTitlesIntoDocument(document);
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// Default view is 'today'
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statistics._dateRange = [new Date().toISOString().slice(0, 10)];
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document.getElementById('date-range').value = 'day';
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statistics._registerListener();
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statistics._getStatistics().then(statistics._renderContents);
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};
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statistics._renderContents = function () {
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if (statistics._data === undefined || statistics._dateRange.length === 0) {
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statistics._showData(false);
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return false;
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}
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statistics._filterAndSortData();
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statistics._determineInjections();
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statistics._showData(true);
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statistics._clearTables();
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statistics._determineInjections();
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statistics._generateTable(statistics._dataSortedCDNs, 'cdns');
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statistics._generateTable(statistics._dataSortedFrameworks, 'frameworks');
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};
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statistics._generateTable = function (data, type) {
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let arr = Object.values(data);
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if (arr.length === 0) {
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arr = [['no data', '-']];
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}
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for (const value of arr) {
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let row = document.createElement('tr');
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let keyColumn = document.createElement('td');
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let ppName = statistics._displayNameOfFramework(value[0], type);
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keyColumn.appendChild(document.createTextNode(ppName));
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row.appendChild(keyColumn);
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let valueColumn = document.createElement('td');
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valueColumn.appendChild(document.createTextNode(value[1]));
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row.appendChild(valueColumn);
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document.getElementById('tbody-' + type).appendChild(row);
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}
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};
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statistics._filterAndSortData = function () {
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// Purge
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statistics._dataSortedCDNs = {};
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statistics._dataSortedFrameworks = {};
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statistics._dateRange.forEach(function (entry) {
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if (entry in statistics._data) {
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statistics._dataSortedCDNs = Object.assign(statistics._dataSortedCDNs, statistics._data[entry]['cdns']);
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statistics._dataSortedFrameworks = Object.assign(statistics._dataSortedFrameworks, statistics._data[entry]['frameworks']);
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}
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});
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statistics._dataSortedCDNs = Object.entries(statistics._dataSortedCDNs).sort((a, b) => b[1] - a[1]);
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statistics._dataSortedFrameworks = Object.entries(statistics._dataSortedFrameworks).sort((a, b) => b[1] - a[1]);
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};
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statistics._setDateRange = function () {
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let today = new Date();
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let from = new Date();
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let days;
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let type = statistics._dateUnit;
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// Purge
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statistics._dateRange = [];
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if (type === 'week') {
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days = 7;
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} else if (type === 'month') {
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days = 30;
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} else if (type === 'year') {
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days = 365;
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} else {
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statistics._dateRange = [new Date().toISOString().slice(0, 10)];
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}
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if (days > 1) {
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for (let i = 0; i < days; i++) {
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// NOTE: setDate/getDate is buggy over day/month/year boundaries
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let diff = 24 * 3600000 * i;
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let day = from.setTime(today.getTime() - diff);
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statistics._dateRange.push(new Date(day).toISOString().slice(0, 10));
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}
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}
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statistics._renderContents();
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};
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statistics._determineInjections = function () {
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// NOTE: Differences between CDNs and frameworks possible.
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// CDN can be contacted without loading a framework.
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let sum = 0;
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let days = 0;
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let avg = 0;
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statistics._dataOverview = [];
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statistics._dateRange.forEach(function (entry) {
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if (entry in statistics._data) {
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for (const value of Object.values(statistics._data[entry]['frameworks'])) {
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sum += parseFloat(value);
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}
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days++;
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}
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});
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avg = sum / days > 0 ? sum / days : 0;
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avg = Math.round((avg + Number.EPSILON) * 100) / 100;
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document.getElementById('avg-quantity').textContent = isNaN(avg) ? '-' : avg;
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document.getElementById('quantity-injected-frameworks').textContent = isNaN(sum) ? '-' : sum;
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};
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statistics._getStatistics = function () {
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return new Promise((resolve) => {
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chrome.storage.local.get([Setting.INTERNAL_STATISTICS_DATA], function (items) {
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statistics._data = items.internalStatisticsData;
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resolve();
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});
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});
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};
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statistics._clearTables = function () {
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const tbody = document.querySelectorAll('tbody');
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tbody.forEach((table) => {
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while (table.hasChildNodes()) {
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table.removeChild(table.firstChild);
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}
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});
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};
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statistics._displayNameOfFramework = function (str, type) {
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// Is used in generateTable(), but should only be used for frameworks
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if (type === 'frameworks' && str !== 'no data') {
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let filename = helpers.extractFilenameFromPath(str);
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filename = helpers.determineResourceName(filename);
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let version = str.match(Resource.VERSION_EXPRESSION);
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if (version !== null && version.length > 0) {
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version = version === 'latest' ? '(' + version + ')' : '(v' + version + ')';
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} else {
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version = '';
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}
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return filename + ' ' + version;
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}
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// If type is CDN
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return str;
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};
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statistics._handlerDateRange = function ({ target }) {
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let type = target.value;
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if (type === 'day' || type === 'week' || type === 'month' || type === 'year') {
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statistics._dateUnit = type;
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statistics._getStatistics().then(statistics._setDateRange);
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} else if (type === 'delete') {
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statistics._deleteStatistic();
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statistics._showData(false);
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}
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};
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statistics._deleteStatistic = function () {
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if (confirm('Are you sure you want to delete the statistics?')) {
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chrome.storage.local.set({
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[Setting.INTERNAL_STATISTICS_DATA]: {},
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});
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}
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};
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statistics._showData = function (type) {
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let attr = type === true ? 'block' : 'none';
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document.getElementById('statistics-overview').style.display = attr;
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document.getElementById('tbl-statistics-cdns').style.display = attr;
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document.getElementById('tbl-statistics-frameworks').style.display = attr;
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document.getElementById('btn-delete').disabled = !type;
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};
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statistics._registerListener = function () {
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document.getElementById('date-range').addEventListener('change', statistics._handlerDateRange);
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document.getElementById('btn-delete').addEventListener('click', function () {
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statistics._handlerDateRange({ target: { value: 'delete' } });
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});
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};
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/**
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* Initializations
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*/
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statistics._data = {};
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statistics._dataSortedCDNs = {};
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statistics._dataSortedFrameworks = {};
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statistics._dataOverview = [];
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statistics._dateRange = [];
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statistics._dateUnit = 'day';
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document.addEventListener('DOMContentLoaded', statistics._onDocumentLoaded);
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