Uniswap Friendly Slippage

Uniswap_Friendly_Slippage.js

// ==UserScript==
// @name         Unicrypt Slippage Notify
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://app.uniswap.org/
// @icon         https://www.google.com/s2/favicons?sz=64&domain=uniswap.org
// @grant        none
// ==/UserScript==


function getElementByXpath(path) {
  return document.evaluate(path, document, null, XPathResult.FIRST_ORDERED_NODE_TYPE, null).singleNodeValue;
}

(function () {
  'use strict';

  setInterval(() => {
    var sippage = JSON.parse(localStorage.getItem("redux_localstorage_simple_user")).userSlippageTolerance
    var view = getElementByXpath(`//*[@id="swap-page"]/div[1]`)
    var interval = setInterval(() => {
      if (view == null) {
        view = getElementByXpath(`//*[@id="swap-page"]/div[1]`)
      } else {
        var slippageElm = document.getElementById("slippageDiv")
        if(slippageElm == null) {
          slippageElm = document.createElement('div')
          slippageElm.id = "slippageDiv"
        }

        sippage = sippage / 100

        if (sippage >= 5) {
          slippageElm.style.color = "red"
          slippageElm.innerText = `Slippage: ${sippage}% ⚠️⚠️`
        }else{
          slippageElm.style.color = "rgb(119, 128, 160)"
          slippageElm.innerText = `Slippage: ${sippage}%`
        }



        view.appendChild(slippageElm)
        clearInterval(interval)
      }
    }, 100)

  }, 100)


  // Your code here...
})();