Library - Removes Ad Containers from DOM (doesn't replace adblocker extension, but blocks dynamic content which the adblocker fails to block by removing whole sections from the HTML DOM.)
当前为
此脚本不应直接安装。它是供其他脚本使用的外部库，要使用该库请加入元指令 // @require https://update.gf.qytechs.cn/scripts/18490/122507/Ads%20DOM%20Remover%20Runner.js
// ==UserScript==
// @name Ads DOM Remover Runner
// @namespace sagiegurari
// @version 0.05
// @author Sagie Gur-Ari
// @description Library - Removes Ad Containers from DOM (doesn't replace adblocker extension, but blocks dynamic content which the adblocker fails to block by removing whole sections from the HTML DOM.)
// @homepage https://github.com/sagiegurari/userscripts-ads-dom-remover
// @supportURL https://github.com/sagiegurari/userscripts-ads-dom-remover/issues
// @grant none
// @license MIT License
// ==/UserScript==
/*global console*/
(function initADR() {
'use strict';
/**
* This class invokes the ads removing process based on provided options.
*
* @author Sagie Gur-Ari
* @class ADRService
* @public
* @param {object} $ - The jquery library
* @param {object} options - The process options
* @param {function} options.getSelectors - Called with a host name and returns an array of selector strings to remove (or objects with more complex definition)
* @param {number} [options.loops=10] - The amount of loops to run (will be invoked twice)
* @param {number} [options.interval=250] - Time in millies between each loop
*/
var Service = function ($, options) {
/*eslint-disable no-invalid-this*/
this.$ = $;
this.getSelectorsExternal = options.getSelectors || this.noop;
this.loops = options.loops || 10;
this.interval = options.interval || 250;
this.state = {
intervalID: null,
counter: 0,
secondLoop: false
};
/*eslint-enable no-invalid-this*/
};
/**
* Empty function
*
* @function
* @memberof! ADRService
* @private
* @returns {undefined} Always undefined
*/
Service.prototype.noop = function () {
return undefined;
};
/**
* Returns the selectors to remove based on the provided host name.
*
* @function
* @memberof! ADRService
* @private
* @param {string} hostName - The current host name
* @returns {Array} Array of selectors (or objects) to remove from the DOM
*/
Service.prototype.getSelectors = function (hostName) {
var selectors;
try {
selectors = this.getSelectorsExternal(hostName);
} catch (error) {
console.error('[user script][Ads DOM Remover][getSelectors] Error:', error);
}
selectors = selectors || [];
return selectors;
};
/**
* Hides the elements by removing them from the DOM completely.
*
* @function
* @memberof! ADRService
* @private
* @returns {boolean} True if any element was removed during this invocation
*/
Service.prototype.hideElements = function () {
var self = this;
var found = false;
var selectors = self.getSelectors(document.location.hostname);
if (selectors) {
if ((!Array.isArray(selectors)) && selectors.selectors) {
if (selectors.id) {
console.debug('[user script][Ads DOM Remover][hideElements] Using Selectors:', selectors.id);
}
selectors = selectors.selectors;
}
selectors.forEach(function (selector) {
var selectorString = selector.selector || selector;
var $element;
try {
$element = self.$(selectorString);
} catch (error) {
console.error('[user script][Ads DOM Remover][hideElements] Error while running selector:', selectorString, error);
}
if ($element && $element.length) {
found = true;
if (selector.pre) {
selector.pre($element);
}
var remove = true;
if (selector.filter) {
remove = selector.filter($element);
}
if (remove) {
$element.remove();
}
console.debug('[user script][Ads DOM Remover][hideElements] Found:', selector, 'count:', $element.length, 'in website and removed it.');
}
});
}
return found;
};
/**
* Invoked each interval to run the main library logic.
*
* @function
* @memberof! ADRService
* @private
*/
Service.prototype.actionLoop = function () {
this.state.counter++;
var stopInterval = this.state.intervalID && (this.state.counter > this.loops);
console.debug('[user script][Ads DOM Remover][actionLoop] Running loop:', this.state.counter, 'state:', this.state, 'stop interval:', stopInterval);
this.hideElements();
if (stopInterval) {
console.debug('[user script][Ads DOM Remover][actionLoop] Clearing interval ID:', this.state.intervalID);
clearInterval(this.state.intervalID);
this.state.intervalID = null;
if (!this.state.secondLoop) {
this.startActionLoop(false, 2500);
}
}
};
/**
* Starts the interval invocations.
*
* @function
* @memberof! ADRService
* @private
* @param {boolean} firstTime - If this function was called for the first time
* @param {number} delay - The delay to wait before setting the interval
*/
Service.prototype.startActionLoop = function (firstTime, delay) {
var self = this;
self.state.secondLoop = !firstTime;
self.state.counter = 0;
setTimeout(function () {
self.state.intervalID = setInterval(function () {
self.actionLoop();
}, self.interval);
setTimeout(function () {
self.hideElements();
}, 15000);
}, delay);
};
/**
* Starts the service run.
*
* @function
* @memberof! ADRService
* @private
*/
Service.prototype.start = function () {
this.startActionLoop(true, 0);
};
/**
* Starts the service run.
*
* @function
* @namespace ADRRunner
* @public
* @param {object} $ - The jquery library
* @param {object} options - The process options
* @param {function} options.getSelectors - Called with a host name and returns an array of selector strings to remove (or objects with more complex definition)
* @param {number} [options.loops=10] - The amount of loops to run (will be invoked twice)
* @param {number} [options.interval=250] - Time in millies between each loop
*/
window.adrRunner = function run($, options) {
if ($ && (typeof $ === 'function') && options && options.getSelectors && (typeof options.getSelectors === 'function')) {
var service = new Service($, options);
service.start();
}
};
}());
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