Simple sort by unit button for Dead Frontier Marketplace - Find cheap credits based on the price of 1 credit!
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// ==UserScript==
// @name Cheapest Price By Unit
// @namespace http://tampermonkey.net/
// @version 1.4
// @description Simple sort by unit button for Dead Frontier Marketplace - Find cheap credits based on the price of 1 credit!
// @author Lucky11
// @match https://fairview.deadfrontier.com/onlinezombiemmo/index.php?page=35
// @icon https://www.google.com/s2/favicons?sz=64&domain=deadfrontier.com
// @grant none
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// Function to create the button and add the Unit Price column
function createSortButton() {
// Check if the button already exists to avoid duplicates
if (document.getElementById('sortButton')) return;
const btn = document.createElement('button');
btn.id = 'sortButton'; // Set an ID for the button
btn.style.position = 'absolute';
btn.style.left = '608px';
btn.style.width = 'max-content'; // This will override the previous width
btn.innerText = 'Sort/1';
btn.style.cursor = 'pointer';
const salePriceSpan = document.querySelector('#tradesLabels span:nth-child(4)');
if (salePriceSpan) {
salePriceSpan.insertAdjacentElement('afterend', btn);
}
// Add Unit Price header
const unitPriceHeader = document.createElement('span');
unitPriceHeader.innerText = 'Unit Price';
unitPriceHeader.style.position = 'absolute';
unitPriceHeader.style.left = '100px'; // Adjust position as needed
unitPriceHeader.style.width = 'max-content';
// Add click event
btn.addEventListener('click', () => {
sortItemsByPricePerCredit();
salePriceSpan.insertAdjacentElement('afterend', unitPriceHeader);
});
}
// Function to parse item data and sort
function sortItemsByPricePerCredit() {
const items = Array.from(document.querySelectorAll('.fakeItem'));
let quantity = 1;
// Map items to objects with price per credit
const itemData = items.map(item => {
const datatype = item.getAttribute('data-type') || '';
const firstPart = datatype.split('_')[0];
const itemType = unsafeWindow.getItemType(unsafeWindow.globalData[firstPart]);
if (itemType === 'armour') {
quantity = 1;
} else {
const quantityStr = item.querySelector('.itemName')?.dataset?.cash || '';
const quantityAttr = item.dataset?.quantity || '';
quantity = parseInt(quantityAttr) || 1; // Fallback to 1 if quantity is not found
}
const priceStr = item.querySelector('.salePrice')?.innerText || '';
const priceNum = parseFloat(priceStr.replace(/[^0-9.]/g, '')) || 0;
// Calculate price per credit
const pricePerCreditItem = priceNum / quantity;
// Calculate unit price
const unitPrice = priceNum / quantity;
// Add unit price to the item element
//const unitPriceDiv = document.createElement('div');
// Check if the unit price div already exists
let unitPriceDiv = item.querySelector('.unitPrice');
if (!unitPriceDiv) {
// Create unit price div if it doesn't exist
unitPriceDiv = document.createElement('div');
unitPriceDiv.className = 'unitPrice';
item.appendChild(unitPriceDiv);
}
unitPriceDiv.className = 'unitPrice';
//const formattedUnitPrice = `$${unitPrice.toFixed(0)}`; // Format to 0 decimal places with dollar sign
const formattedUnitPrice = `$${Math.round(unitPrice).toLocaleString()}`;
unitPriceDiv.innerText = formattedUnitPrice; // Set the formatted price
unitPriceDiv.style.position = 'absolute'; // Set position to absolute
unitPriceDiv.style.left = '115px'; // Set left position
unitPriceDiv.style.color = '#FFCC00'; // Set text color to yellow
item.appendChild(unitPriceDiv);
return {
element: item,
pricePerCredit: pricePerCreditItem
};
});
itemData.sort((a, b) => a.pricePerCredit - b.pricePerCredit);
// Reorder DOM
const parent = document.querySelector('.marketDataHolder');
if (parent) {
// Remove all items
parent.innerHTML = '';
// Append sorted items
itemData.forEach(data => {
parent.appendChild(data.element);
});
}
}
/*
* Code below of this script is derived from the "Dead Frontier - Fast Services" script by Shrike00
* Original source: https://update.greasyfork.org/scripts/472536/Dead%20Frontier%20-%20Fast%20Services.user.js
* Copyright (c) Shrike00
* Licensed under the MIT License.
*/
// Initial button creation and observer setup
function waitForItemDisplay(callback, timeout) {
const start = performance.now();
const check = setInterval(function() {
if (document.getElementById("itemDisplay") !== null) {
clearInterval(check);
callback();
} else if (performance.now() - start > timeout) {
clearInterval(check);
}
}, 100);
}
function main() {
waitForItemDisplay(function() {
// Initial addition of button.
createSortButton();
// Mutation observer to check for changes to the marketplace child nodes, re-adding the event listener
// whenever the selectMarket element is re-added (which happens when the market tab is changed).
const callback = function(mutationList, observer) {
for (const record of mutationList) {
const element = record.addedNodes[0];
if (element !== undefined && element.id === "selectMarket") {
createSortButton();
}
}
}
const observer = new MutationObserver(callback);
const marketplace = document.getElementById("marketplace");
observer.observe(marketplace, {childList: true});
}, 5000);
}
main();
})();