三菱自動車 電動車両サポート 利用金額合計を表示するユーザースクリプト

mitsubishi_ev_support.js

// ==UserScript==
// @name     Mitsubishi EV Support 
// @version  1
// @grant    none
// @include https://mem.ev-support.mitsubishi-motors.co.jp/mypage/individual/details
// @include https://mem.ev-support.mitsubishi-motors.co.jp/mypage/individual/details/*
// ==/UserScript==

const get_cost = () => {
  const table_cells = Array.from(document.querySelector('table.mypage_history_table').querySelectorAll('td'))
  const money_sum = table_cells.map( (elem) => /\d+\.?\d+円/.test(elem.textContent) ? parseFloat(elem.textContent.match(/\d+\.?\d+/)) : 0.0 ).reduce( (a,b) => a+b ,0.0 )
  return money_sum;
}

document.body.onload = () => {
  const syouhizeiritu = 1.08
  const total_cost = Math.round( ( Math.max( get_cost() - 500 , 0 ) + 1500 ) * syouhizeiritu )
  const total_money_elem = document.createElement("div")
  total_money_elem.appendChild(document.createTextNode( "請求額: " + total_cost + "円"))
  document.getElementById("right_contents").appendChild(total_money_elem)
}