skyhelper-networth/calculators/handlers/AttributeRoll.js

SkyHelper's Networth Calculation for Hypixel SkyBlock

/**
 * A handler for the attribute roll on an item.
 */
class AttributeRollHandler {
    /**
     * Checks if the handler applies to the item
     * @param {object} item The item data
     * @returns {boolean} Whether the handler applies to the item
     */
    applies(item) {
        return Object.keys(item.extraAttributes.attributes ?? {}).length > 0;
    }

    /**
     * Calculates and adds the price of the modifier to the item
     * @param {object} item The item data
     * @param {object} prices A prices object generated from the getPrices function
     */
    calculate(item, prices) {
        let attributeRollId = '';
        if (item.itemId === 'ATTRIBUTE_SHARD') {
            attributeRollId = `ATTRIBUTE_SHARD_${Object.keys(item.extraAttributes.attributes)[0].toUpperCase()}`;
        } else {
            const sortedAttributes = Object.keys(item.extraAttributes.attributes).sort((a, b) => a.toUpperCase().localeCompare(b.toUpperCase()));
            attributeRollId = `${item.itemId}${sortedAttributes.map((attribute) => `_ROLL_${attribute.toUpperCase()}`).join('')}`;
        }
        const attributeRollPrice = prices[attributeRollId];
        if (attributeRollPrice > item.basePrice) {
            item.basePrice = attributeRollPrice;
            item.calculation.push({
                id: attributeRollId.slice(item.itemId.length + 1),
                type: 'ATTRIBUTE_ROLL',
                price: attributeRollPrice,
                count: 1,
            });
        }
    }
}

module.exports = AttributeRollHandler;