Created
March 17, 2023 10:02
-
-
Save ajsharp/328f310fe1a97b3033a2f783bb8dec84 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/******************************************************************************* | |
uBlock Origin - a browser extension to block requests. | |
Copyright (C) 2019-present Raymond Hill | |
This program is free software: you can redistribute it and/or modify | |
it under the terms of the GNU General Public License as published by | |
the Free Software Foundation, either version 3 of the License, or | |
(at your option) any later version. | |
This program is distributed in the hope that it will be useful, | |
but WITHOUT ANY WARRANTY; without even the implied warranty of | |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
GNU General Public License for more details. | |
You should have received a copy of the GNU General Public License | |
along with this program. If not, see {http://www.gnu.org/licenses/}. | |
Home: https://github.com/gorhill/uBlock | |
*/ | |
(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]; | |
// https://github.com/uBlockOrigin/uAssets/pull/4115 | |
const ga = function() { | |
const len = arguments.length; | |
if ( len === 0 ) { return; } | |
const args = Array.from(arguments); | |
let fn; | |
let a = args[len-1]; | |
if ( a instanceof Object && a.hitCallback instanceof Function ) { | |
fn = a.hitCallback; | |
} else if ( a instanceof Function ) { | |
fn = ( ) => { a(ga.create()); }; | |
} else { | |
const pos = args.indexOf('hitCallback'); | |
if ( pos !== -1 && args[pos+1] instanceof Function ) { | |
fn = args[pos+1]; | |
} | |
} | |
if ( fn instanceof Function === false ) { return; } | |
try { | |
fn(); | |
} catch (ex) { | |
} | |
}; | |
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 ( dl instanceof Object ) { | |
if ( dl.hide instanceof Object && typeof dl.hide.end === 'function' ) { | |
dl.hide.end(); | |
dl.hide.end = ()=>{}; | |
} | |
if ( typeof dl.push === 'function' ) { | |
const doCallback = function(item) { | |
if ( item instanceof Object === false ) { return; } | |
if ( typeof item.eventCallback !== 'function' ) { return; } | |
setTimeout(item.eventCallback, 1); | |
item.eventCallback = ()=>{}; | |
}; | |
dl.push = new Proxy(dl.push, { | |
apply: function(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 ( gaQueue instanceof Function && Array.isArray(gaQueue.q) ) { | |
const q = gaQueue.q.slice(); | |
gaQueue.q.length = 0; | |
for ( const entry of q ) { | |
ga(...entry); | |
} | |
} | |
})(); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment