Amazon CPU Tamer

It reduces CPU usage on Amazon shopping pages. Enjoy your snappy shopping.

Verze ze dne 04. 11. 2020. Zobrazit nejnovější verzi.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name        Amazon CPU Tamer
// @name:ja     Amazon CPU Tamer
// @name:zh-CN  Amazon CPU Tamer
// @namespace   knoa.jp
// @description It reduces CPU usage on Amazon shopping pages. Enjoy your snappy shopping.
// @description:ja AmazonのショッピングページでのCPU使用率を削減します。お買いものをサクサク楽しみましょう。
// @description:zh-CN 减少Amazon购物页面上的CPU利用率。顺利地享受买东西吧。
// @include     https://www.amazon.*
// @version     1.1.0
// @grant       none
// @run-at      document-start
// ==/UserScript==

/*
[update] 1.1.0
added an associate tag.

*/
(function(){
  const SCRIPTNAME = 'Amazon Cpu Tamer';
  console.log(SCRIPTNAME);
  const TAMEDINTERVAL = 60*1000;
  /* tame quick intervals */
  window.originalSetInterval = window.setInterval;
  window.setInterval = function(f, interval, ...args){
    if(interval < TAMEDINTERVAL){
      console.log(SCRIPTNAME, 'interval:', interval, 'to', TAMEDINTERVAL);
      interval = TAMEDINTERVAL;
    }
    return window.originalSetInterval(f, interval, ...args);
  };
  /* add an associate tag */
  switch(location.host){
    case('www.amazon.com'):
      addTag('knoa-20');
      break;
    case('www.amazon.co.jp'):
      addTag('knoa-22');
      break;
  }
  function addTag(tag){
    const url = new URL(location.href);
    if(url.searchParams.get('tag') !== null) return;/* do not overwrite */
    const separator = (url.search === '') ? '?' : '&';
    console.log(SCRIPTNAME, 'associate tag:', tag);
    history.replaceState(null, document.title, location.href + separator + 'tag=' + tag);
  }
})();