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More Ore - View Multiplier

Shows the total multiplier of the item type and rarity in the item tooltip

// ==UserScript==
// @name         More Ore - View Multiplier
// @namespace    https://syns.studio/more-ore/
// @version      1.2
// @description  Shows the total multiplier of the item type and rarity in the item tooltip
// @author       123HD123
// @match        https://syns.studio/more-ore/
// @icon         https://syns.studio/more-ore/misc-tinyRock.22ef93dd.ico
// @require      https://greasyfork.org/scripts/444840-more-ore-notification/code/More%20Ore%20-%20Notification+.user.js
// @grant        none
// ==/UserScript==
(function() {
    const MOD_NAME = "View Multiplier";
    const MOD_STORAGE_DEFAULT = {
        mutationObservers: []
    };

    const typeMultiplier = {
        Cloth: -.03,
        Cardboard: -.03,
        Plastic: -.03,
        Leather: 0,
        Stone: .01,
        Iron: .03,
        Silver: .03,
        Gold: .03,
        Steel: .08,
        Platinum: .08,
        Diamond: .2,
        Titanium: .2,
        Adamantite: .2,
        Alien: .2
    };
    const rarityMultiplier = {
        common: 0,
        uncommon: .01,
        rare: .02,
        unique: .05,
        epic: .1,
        legendary: .2,
        mythic: .3
    };
    const multiplierLevel = {
        WORST: 0.97,
        BAD: 1.10,
        AVERAGE: 1.11,
        AVERAGE2: 1.13,
        GOOD: 1.40,
        BEST: 1.50
    };

    window.mods = window.mods || {};

    const Logger = NotificationPlus?.notify || console.log;
    if (Object.keys(window.mods).includes(MOD_NAME))
        return Logger(
            "Warning: Mod named " + MOD_NAME + " has already been loaded",
            3
        );

    NotificationPlus?.load(MOD_NAME);

    window.mods[MOD_NAME] = window.mods[MOD_NAME] || MOD_STORAGE_DEFAULT;

    const MOD_STORAGE = window.mods[MOD_NAME];

    if (MOD_STORAGE.mutationObservers != [])
        MOD_STORAGE.mutationObservers.forEach(mutationObserver => mutationObserver.disconnect());

    MOD_STORAGE.mutationObservers = [];

    let m = new MutationObserver(insertMultiplierStat);
    m.observe(document.querySelector(".tooltip-wrapper"), {childList: true});
    MOD_STORAGE.mutationObservers.push(m);

    function insertMultiplierStat(mutationList, observer) {
        for(let mutation of mutationList) {
            let node = mutation.addedNodes.item(0)?.parentNode;
            if (node?.className?.includes("tooltip-wrapper")) {
                node.querySelectorAll(".tooltip-right")?.forEach(tooltip => {
                    let itemName = tooltip.querySelector(".tooltip-item-name")?.children[1];
                    if (itemName == undefined) return;
                    if (tooltip.querySelector(".stat-multiplier") != null) return;
                    let totalMultiplier = (1 + rarityMultiplier[itemName.className] + typeMultiplier[itemName.innerText.split(" ")[0]]).toFixed(2);
                    if (isNaN(totalMultiplier)) return;
                    let stat = document.createElement("p");
                    stat.className = "stat-multiplier";
                    stat.innerHTML = `Multiplier ${getLevel(totalMultiplier)} <span><span class="bold">x${totalMultiplier}</span> <span class="icons positive"></span></span>`;
                    tooltip.querySelector(".item-stats")?.append(stat);
                });
            }
        }
    }

    function getLevel(multiplier) {
        if (multiplier == multiplierLevel.WORST) return "WORST";
        if (multiplier <= multiplierLevel.BAD) return "BAD";
        if (multiplier == multiplierLevel.AVERAGE || multiplier == multiplierLevel.AVERAGE2) return "AVERAGE";
        if (multiplier <= multiplierLevel.GOOD) return "GOOD";
        if (multiplier == multiplierLevel.BEST) return "BEST";
    }
})();