add 'Tweets without RTs' link to anybodies profile.

tweets_without_rts.user.js

// ==UserScript==
// @name         Tweets without RT's
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  add 'Tweets without RTs' link to anybodies profile.
// @author       Tsubasa Kawajiri
// @match        https://twitter.com/*
// @grant        none
// ==/UserScript==

let linkAdded = false
const PRESENTATION_CLASS = "css-1dbjc4n r-16y2uox r-6b64d0"

window.onload = function(){
  history.pushState = ( f => function pushState(){
    const ret = f.apply(this, arguments);
    window.dispatchEvent(new Event('pushstate'));
    window.dispatchEvent(new Event('locationchange'));
    return ret;
  })(history.pushState);

  window.addEventListener('popstate',()=>{
    window.dispatchEvent(new Event('locationchange'))
  });

  window.addEventListener('locationchange', init)
  window.addEventListener('locationchange', scan)

  init()
  scan()
}

function init(){
  linkAdded = false
}

function addLink() {
  if(linkAdded){ return }
  linkAdded = true
  const media = document.getElementsByClassName(PRESENTATION_CLASS)[2]
  const presentations = media.parentNode

  const tweetsWithoutRTsButton = document.createElement('div')
  tweetsWithoutRTsButton.className = PRESENTATION_CLASS
  const link = document.createElement('a')
  link.href = `/search?q=from%3A%40${window.location.pathname.substr(1)}&f=live`
  link.className = 'css-4rbku5 css-18t94o4 css-1dbjc4n r-1awozwy r-oucylx r-rull8r r-wgabs5 r-1loqt21 r-6koalj r-eqz5dr r-16y2uox r-1777fci r-1ny4l3l r-1oqcu8e r-o7ynqc r-6416eg'
  const innerDiv = document.createElement('div')
  innerDiv.className = 'css-901oao r-111h2gw r-1qd0xha r-a023e6 r-vw2c0b r-ad9z0x r-bcqeeo r-qvutc0'
  const displaySpan = document.createElement('span')
  displaySpan.className = 'css-901oao css-16my406 r-1qd0xha r-ad9z0x r-bcqeeo r-qvutc0'
  const text = document.createTextNode('Tweets without RTs')

  displaySpan.appendChild(text)
  innerDiv.appendChild(displaySpan)
  link.appendChild(innerDiv)
  tweetsWithoutRTsButton.appendChild(link)

  presentations.insertBefore(tweetsWithoutRTsButton, media)
}

function scan(){
  const media = document.getElementsByClassName(PRESENTATION_CLASS)[2]
  if(media){
    addLink()
  } else {
    setTimeout(scan, 500);
  }
}