Surge_by_SukkaW/Assets/www-google-analytics-com_analytics.js
2023-09-29 02:32:28 +08:00

90 lines
2.4 KiB
JavaScript

(function () {
'use strict';
// https://developers.google.com/analytics/devguides/collection/analyticsjs/
const noopfn = function () {
};
//
const Tracker = function () {
};
const p = Tracker.prototype;
p.get = noopfn;
p.set = noopfn;
p.send = noopfn;
//
const w = window;
const gaName = w.GoogleAnalyticsObject || 'ga';
const gaQueue = w[gaName];
const ga = function (...args) {
const len = args.length;
if (len === 0) { return; }
let fn;
const a = args[len - 1];
if (typeof a === 'object' && typeof a.hitCallback === 'function') {
fn = a.hitCallback;
} else if (typeof a === 'function') {
fn = () => { a(ga.create()); };
} else {
const pos = args.indexOf('hitCallback');
if (pos !== -1 && typeof args[pos + 1] === 'function') {
fn = args[pos + 1];
}
}
if (typeof fn !== 'function') { return; }
try {
fn();
} catch {
}
};
ga.create = function () {
return new Tracker();
};
ga.getByName = function () {
return new Tracker();
};
ga.getAll = function () {
return [new Tracker()];
};
ga.remove = noopfn;
// https://github.com/uBlockOrigin/uAssets/issues/2107
ga.loaded = true;
w[gaName] = ga;
// https://github.com/gorhill/uBlock/issues/3075
const dl = w.dataLayer;
if (typeof dl === 'object') {
if (typeof dl.hide === 'object' && typeof dl.hide.end === 'function') {
dl.hide.end();
dl.hide.end = () => { };
}
if (typeof dl.push === 'function') {
const doCallback = function (item) {
if (typeof item === 'object' === false) { return; }
if (typeof item.eventCallback !== 'function') { return; }
// eslint-disable-next-line sukka/prefer-timer-id -- deliberate use of setTimeout
setTimeout(item.eventCallback, 1);
item.eventCallback = () => { };
};
dl.push = new Proxy(dl.push, {
apply(target, thisArg, args) {
doCallback(args[0]);
return Reflect.apply(target, thisArg, args);
}
});
if (Array.isArray(dl)) {
const q = dl.slice();
for (const item of q) {
doCallback(item);
}
}
}
}
// empty ga queue
if (typeof gaQueue === 'function' && Array.isArray(gaQueue.q)) {
const q = gaQueue.q.slice();
gaQueue.q.length = 0;
for (const entry of q) {
ga(...entry);
}
}
}());