mirror of
https://github.com/plausible/analytics.git
synced 2024-12-25 10:33:01 +03:00
158 lines
5.0 KiB
JavaScript
158 lines
5.0 KiB
JavaScript
(function(window, plausibleHost){
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'use strict';
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try {
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const CONFIG = {
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domain: window.location.hostname
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}
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function setCookie(name,value) {
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var date = new Date();
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date.setTime(date.getTime() + (3*365*24*60*60*1000)); // 3 YEARS
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var expires = "; expires=" + date.toUTCString();
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document.cookie = name + "=" + (value || "") + expires + "; path=/";
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}
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function getCookie(name) {
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var nameEQ = name + "=";
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var ca = document.cookie.split(';');
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for(var i=0;i < ca.length;i++) {
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var c = ca[i];
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while (c.charAt(0)==' ') c = c.substring(1,c.length);
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if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
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}
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return null;
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}
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function pseudoUUIDv4() {
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var d = new Date().getTime();
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if (typeof performance !== 'undefined' && typeof performance.now === 'function'){
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d += performance.now(); //use high-precision timer if available
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}
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return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (c) {
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var r = (d + Math.random() * 16) % 16 | 0;
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d = Math.floor(d / 16);
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return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
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});
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}
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function ignore(reason) {
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console.warn('[Plausible] Ignoring event because ' + reason);
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}
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function getUrl() {
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return window.location.protocol + '//' + window.location.hostname + window.location.pathname + window.location.search;
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}
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function getSourceFromQueryParam() {
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const result = window.location.search.match(/[?&](ref|source|utm_source)=([^?&]+)/);
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return result ? result[2] : null
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}
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function getUserData() {
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var userData = JSON.parse(getCookie('plausible_user'))
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if (userData) {
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userData.new_visitor = false
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if (userData.referrer) {
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userData.initial_referrer = userData.referrer && decodeURIComponent(userData.referrer)
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} else {
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userData.initial_referrer = userData.initial_referrer && decodeURIComponent(userData.initial_referrer)
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userData.initial_source = userData.initial_source && decodeURIComponent(userData.initial_source)
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}
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return userData
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} else {
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return {
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uid: pseudoUUIDv4(),
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new_visitor: true,
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initial_referrer: window.document.referrer,
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initial_source: getSourceFromQueryParam(),
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}
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}
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}
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function setUserData(payload) {
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setCookie('plausible_user', JSON.stringify({
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uid: payload.uid,
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initial_referrer: payload.initial_referrer && encodeURIComponent(payload.initial_referrer),
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initial_source: payload.initial_source && encodeURIComponent(payload.initial_source),
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}))
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}
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function trigger(eventName, options) {
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if (/localhost$/.test(window.location.hostname)) return ignore('website is running locally');
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if (window.location.protocol === 'file:') return ignore('website is running locally');
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if (window.document.visibilityState === 'prerender') return ignore('document is prerendering');
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var payload = getUserData()
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payload.name = eventName
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payload.url = getUrl()
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payload.domain = CONFIG['domain']
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payload.referrer = window.document.referrer
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payload.source = getSourceFromQueryParam()
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payload.user_agent = window.navigator.userAgent
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payload.screen_width = window.innerWidth
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var request = new XMLHttpRequest();
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request.open('POST', plausibleHost + '/api/event', true);
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request.setRequestHeader('Content-Type', 'text/plain');
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request.send(JSON.stringify(payload));
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request.onreadystatechange = function() {
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if (request.readyState == XMLHttpRequest.DONE) {
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setUserData(payload)
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options && options.callback && options.callback()
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}
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}
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}
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function onUnload() {
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var userData = getUserData()
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navigator.sendBeacon(plausibleHost + '/api/unload', JSON.stringify({uid: userData.uid}));
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}
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function page(options) {
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trigger('pageview', options)
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window.addEventListener('unload', onUnload, false);
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}
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function trackPushState() {
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var his = window.history
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if (his.pushState) {
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var originalFn = his['pushState']
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his.pushState = function() {
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originalFn.apply(this, arguments)
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page();
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}
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}
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window.addEventListener('popstate', page)
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}
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function configure(key, val) {
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CONFIG[key] = val
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}
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const functions = {
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page: page,
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trigger: trigger,
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trackPushState: trackPushState,
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configure: configure
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}
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const queue = window.plausible.q || []
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window.plausible = function() {
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var args = [].slice.call(arguments);
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var funcName = args.shift();
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functions[funcName].apply(this, args);
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};
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for (var i = 0; i < queue.length; i++) {
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window.plausible.apply(this, queue[i])
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}
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} catch (e) {
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new Image().src = plausibleHost + '/api/error?message=' + encodeURIComponent(e.message);
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}
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})(window, BASE_URL);
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