amazon command

This adds commands of the amazon.

2021-01-24 या दिनांकाला. सर्वात नवीन आवृत्ती पाहा.

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// ==UserScript==
// @name         amazon command
// @namespace    amazon command
// @version      0.2
// @description  This adds commands of the amazon.
// @author       meguru
// @include      https://www.amazon.co.jp/*
// @grant        none
// ==/UserScript==

(function() {
    'use strict';

    const createButton = (label, cmd) => {
        const button = document.createElement('button');
        if (!button) { console.log('failed create ${label}') };
        button.innerHTML = label;
        button.onclick = () => {
            window.location.href += cmd;
        };
        return button;
    }

    const refArea = document.getElementById('s-refinements');
    if (!refArea) {
        console.log('not find refArea');
        return;
    };

    const fromAmazonJpButton = createButton('from amazon.jp', '&emi=AN1VRQENFRJN5');
    let res = refArea.parentNode.insertBefore(fromAmazonJpButton, refArea);
    if (!res) {
        console.log('failed add button');
        return;
    };

    const offButton = createButton('50% off', '&pct-off=50-');
    res = refArea.parentNode.insertBefore(offButton, refArea);
    if (!res) {
        console.log('failed add button');
        return;
    };

})();