It reduces CPU usage on Amazon shopping pages. Enjoy your snappy shopping.
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// ==UserScript==
// @name Amazon CPU Tamer
// @name:ja Amazon CPU Tamer
// @name:zh-CN Amazon CPU Tamer
// @namespace knoa.jp
// @contributionURL https://paypal.me/kantankikaku
// @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.*
// @exclude */cart/*
// @exclude */buy/*
// @version 1.1.2
// @grant none
// @run-at document-start
// ==/UserScript==
/*
[update] 1.1.2
*/
(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);
}
})();