// ==UserScript==
// @name Prime Video episode synopsis remover
// @description Remove Episode Synopsis on primevideo.com
// @namespace ILoveKemurikusa
// @match https://primevideo.com/region/*/detail/*
// @match https://*.primevideo.com/region/*/detail/*
// @match https://primevideo.com/detail/* 
// @match https://*.primevideo.com/detail/*                                                  
// @grant none
// @version 0.0.1.20190327083909
// @downloadURL none
// ==/UserScript==

(async() => {
  let querys = () => {
    return document.querySelectorAll("div > .av-episode-synopsis");
  };

  let removeSynop = (arr) => {
    arr.forEach((elem) => {
      elem.innerHTML="<i>[Synopsis removed]</i>"
    })
  }

  let query = querys()
  while (true) {
    if (query == null || query.length == 0) {
      setTimeout(async() => {
        query = querys();
      }, 100);
    } else { break; }
  }
  
  removeSynop(query);
 
  return 0;
 })();