Stop Scrolling

Automatically closes tabs when you scroll a certain amount.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Stop Scrolling
// @namespace    http://tampermonkey-stop-scrolling
// @version      0.1
// @description  Automatically closes tabs when you scroll a certain amount.
// @author       You
// @match        *://*/*     
// @icon         https://www.google.com/s2/favicons?sz=64&domain=tampermonkey.net
// @grant        GM_registerMenuCommand
// @grant        window.close
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_notification
// @license MIT
// ==/UserScript==

var pixels = GM_getValue("pixels", 1000); 

var websites = GM_getValue("websites", ["www.reddit.com", "www.mydealz.de", "www.facebook.com", "www.instagram.com"]);


function checkWebsite() {
  let currentWebsite = window.location.hostname;
  if (websites.includes(currentWebsite)) {
    return true;
  }
  return false;
}

function sitesToDisplay(ls) {
     for (let i = 0; i < websites.length; i++) {
        ls += `\u2022 ${websites[i]} \n`;
    }
    ls += "\n";
    return ls
}

function saveWebsites() {
    GM.setValue("websites", websites).catch((error) => {
        console.error(error);
    });
}

function validateWebsite(site) {
  const regex = /^((http|https):\/\/)?[a-z0-9]+([\-\.]{1}[a-z0-9]+)*\.[a-z]{2,5}(:[0-9]{1,5})?(\/.*)?$/i;
  return regex.test(site);
}

const setPixels = GM_registerMenuCommand("Set Scroll Distance", function() {
    let input = prompt(`Distance is currently ${pixels} pixels. Set maximum scroll distance in pixels (average height of a laptop screen is around 1000-2000 pixels): ` );
    if (input == null) {
        return;
    }
    let checkInput = parseInt(input);
     let regex = /^\d+$/;
    try{
    if (!regex.test(input)) {
        throw new Error("Please enter an integer.");
    }
    else if (checkInput < 0) {
        throw new Error("Please enter a positive integer.");
    }
    else {
        pixels = input;
        GM_setValue("pixels", pixels);
    }
}
    catch(error) {
    alert(error.message)
    }
});




const addSite = GM_registerMenuCommand("Add Website", function(){
    let ls = sitesToDisplay("\n");
    let newSite = prompt(`Current active websites: ${ls}\n Enter a new website: `)
    if (newSite) {
        if (validateWebsite(newSite.trim())) { 
        websites.push(newSite.trim()) 
        saveWebsites()
        alert(`${newSite} has been added`);
        } else {
        alert("Please enter a valid website.")} ;
    }

});


const deleteSite = GM_registerMenuCommand("Delete Website", function() {
    let ls = sitesToDisplay("\n");
    let oldSite = prompt(`Current active websites: ${ls}\n Enter website to delete: `)
    if (oldSite) {
     let index = websites.findIndex((site) => site===oldSite.trim());
     if (index !== -1) {
      websites.splice(index, 1);
      saveWebsites();
      alert(`${oldSite} has been deleted.`);
     } else {
      alert(`${oldSite} is not active.`);
    }
}
});


window.addEventListener("scroll", function() {
 if (checkWebsite() && window.scrollY > pixels) {
    window.close()
  }
})