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Amazon.co.jpの欲しいものリストで、Kindleの商品にポイントを表示しようとします
当前为
// ==UserScript==
// @name Show points on Amazon.co.jp wishlist
// @namespace http://greasyfork.icu/ja/users/165645-agn5e3
// @version 1.6.5
// @description Amazon.co.jpの欲しいものリストで、Kindleの商品にポイントを表示しようとします
// @author agn5e3
// @license Apache-2.0
// @match https://www.amazon.co.jp/*/wishlist/*
// ==/UserScript==
(function () {
'use strict';
const domParser = new DOMParser();
const modifyCharacter = ((str) => str.replace(/[\s]+/g, '').replace(/（/, '(').replace(/）/, ')').replace(/：/, ':').replace(/の割引/, '円').replace(/\(/, ' (').replace(/の価格/, ''));
const setColor = ((str) => {
let ratio = str.match(/[0-9]+%/);
if (ratio === null) {
ratio = 0;
} else {
ratio = parseInt(ratio);
}
let color;
if (ratio < 25) {
color = '#111';
} else if (ratio < 50) {
color = '#2ca9e1';
} else if (ratio < 75) {
color = '#b3a514';
} else {
color = '#e2041b';
}
return '<p style="margin:0;color:' + color + '">' + str + '</p>';
});
const getPoint = ((html) => {
const printPrice = html.getElementsByClassName('print-list-price')[0];
const kindleSave = html.getElementsByClassName('savings')[0];
const loyaltyPoint = html.getElementsByClassName('loyalty-points')[0];
let data = new Object({});
if (printPrice !== undefined) data.printPrice = setColor(modifyCharacter(printPrice.innerText));
if (kindleSave !== undefined) data.kindleSave = setColor(modifyCharacter(kindleSave.innerText).replace(/￥/, ''));
if (loyaltyPoint !== undefined) data.loyaltyPoint = setColor(modifyCharacter(loyaltyPoint.innerText));
return data;
});
const showPoint = ((node, data) => {
const priceSection = node.getElementsByClassName('price-section')[0];
if (data.printPrice !== undefined) priceSection.insertAdjacentHTML('afterbegin', data.printPrice);
if (data.kindleSave !== undefined) priceSection.insertAdjacentHTML('beforeend', data.kindleSave);
if (data.loyaltyPoint !== undefined) priceSection.insertAdjacentHTML('beforeend', data.loyaltyPoint);
node.getElementsByClassName('a-price-symbol')[0].remove();
let itemAvailability = node.getElementsByClassName('itemAvailability')[0];
if (itemAvailability !== undefined) itemAvailability.remove();
node.getElementsByClassName('a-price-whole')[0].insertAdjacentHTML('afterbegin', '￥');
node.getElementsByClassName('a-price')[0].classList.add('a-color-price', 'a-size-large');
});
const saveCache = ((asin, data) => localStorage.setItem('SPAW_' + asin, JSON.stringify(data)));
const loadCache = ((asin) => JSON.parse(localStorage.getItem('SPAW_' + asin)));
const deleteCache = (() => {
for (const key in localStorage) {
if (/^SPAW_/.test(key)) {
localStorage.removeItem(key);
}
}
});
const expirationCache = (() => {
const cacheTime = localStorage.getItem('SPAW_CACHE_TIME');
if (cacheTime !== null && Date.now() <= parseInt(cacheTime) + 21600000) {
return;
} else {
deleteCache();
localStorage.setItem('SPAW_CACHE_TIME', Date.now());
}
});
const fetchPoint = ((node) => {
if (node.querySelectorAll && node.getElementsByClassName('SPAW_FETCHED')[0] === undefined && node.querySelector('div[id^="item_"]') !== null && /Kindle/.test(node.querySelector('span[id^="item-byline-"]').innerText)) {
node.getElementsByTagName('div')[0].classList.add('SPAW_FETCHED');
node.getElementsByClassName('a-price-symbol')[0].textContent = '＞';
const asin = JSON.parse(node.getElementsByClassName('price-section')[0].attributes["data-item-prime-info"].value).asin;
const cache = loadCache(asin);
if (cache !== null) {
showPoint(node, cache);
return;
}
fetch('https://www.amazon.co.jp/dp/' + asin, {
credentials: 'include'
}).then((response) => {
if (!response.ok) {
throw Error(response.statusText);
}
return response.text();
}).then((text) => {
const html = domParser.parseFromString(text, 'text/html');
const data = getPoint(html);
saveCache(asin, data);
showPoint(node, data);
}).catch((error) => console.error(error));
}
});
const observer = new MutationObserver((records) => {
for (const record of records) {
for (const node of record.addedNodes) {
fetchPoint(node);
}
}
});
const main = ((node) => {
expirationCache();
for (const node of document.getElementsByClassName('g-item-sortable')) {
fetchPoint(node);
}
observer.observe(document.getElementById('g-items'), {
childList: true,
subtree: true,
});
});
fetch('https://www.amazon.co.jp/gp/product/black-curtain-redirect.html', {
credentials: 'include'
}).then(() => main());
})();