Wishlist Steal Deal Checker

A user script to check if the wishlist item has best price
当前为 2023-06-18 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         Wishlist Steal Deal Checker
// @namespace    https://greasyfork.org/en/users/1019658-aayush-dutt
// @version      0.2
// @description  A user script to check if the wishlist item has best price
// @author       aayushdutt

// @match        https://www.amazon.com/hz/wishlist/ls/*
// @match        https://www.amazon.in/hz/wishlist/ls/*

// @match        https://www.amazon.de/hz/wishlist/ls/*
// @match        https://www.amazon.fr/hz/wishlist/ls/*
// @match        https://www.amazon.it/hz/wishlist/ls/*
// @match        https://www.amazon.es/hz/wishlist/ls/*
// @match        https://www.amazon.nl/hz/wishlist/ls/*
// @match        https://www.amazon.se/hz/wishlist/ls/*
// @match        https://www.amazon.co.jp/hz/wishlist/ls/*
// @match        https://www.amazon.co.uk/hz/wishlist/ls/*
// @match        https://www.amazon.com.mx/hz/wishlist/ls/*
// @match        https://www.amazon.com.au/hz/wishlist/ls/*
// @match        https://www.amazon.com.be/hz/wishlist/ls/*

// @grant        none
// @link         https://greasyfork.org/en/scripts/468955-wishlist-steal-deal-checker
// @license      MIT
// ==/UserScript==

(function() {
  'use strict';
const getAllNodes = () => {
return Array.from(document.querySelectorAll("ul#g-items > li[data-id]"));
};

const parseNodes = () => {
const nodes = getAllNodes();

const getPrice = (node) => {
  return parseInt(node.getAttribute("data-price"));
};

const getCommentNode = (node) => {
  return node.querySelector(
    'span[data-csa-c-element-id="list-desktop-wishlist-item-info-cqp-comment"]'
  );
};

const getCommentPrices = (node) => {
  return node.innerText
    .trim()
    .split(" ")
    .map((e) => parseInt(e));
};

const getIsBestPrice = (price, commentPrices) => {
  for (let idx in commentPrices) {
    if (!price) return false;
    if (!commentPrices[idx]) continue;

    if (price > commentPrices[idx]) {
      return false;
    }
  }
  return true;
};

return nodes.map((node) => {
  const price = getPrice(node);
  const commentNode = getCommentNode(node);
  const commentPrices = getCommentPrices(commentNode);
  const isBestPrice = getIsBestPrice(price, commentPrices);

  return {
    node,
    price,
    commentPrices,
    isBestPrice,
    commentNode,
  };
});
};

const updateBestNodes = (wishlistItems) => {
wishlistItems.forEach(
  (item) => item.isBestPrice && (item.node.style.background = "#f1fff8")
);
};


const targetNode = document.getElementById("g-items");
const config = { childList: true };
const callback = (mutationList, observer) => {
console.log('[Wishlist Steal Deal Checker] list changed')
const wishlistItems = parseNodes();
updateBestNodes(wishlistItems);
};

const observer = new MutationObserver(callback);
observer.observe(targetNode, config);
})();