@nexim/financial-calculate/dist/main.js

Provides a set of utils to handle common financial operations.

const safeRound = (number, decimalPlaces = 2) => {
    if (isNaN(number) || !isFinite(number))
        return 0;
    const factor = Math.pow(10, decimalPlaces);
    return Math.round((number + Number.EPSILON) * factor) / factor;
};
/**
 * Calculate the price after applying a discount.
 *
 * @param price - The original price.
 * @param discount - The discount percentage to apply.
 * @param decimal - The number of decimal places to round to (default is 2).
 *
 * @example
 * ```ts
 * calculateDiscountedPrice(100, 10, 1); // returns 90.0
 * ```
 */
export function calculateDiscountedPrice(price, discount, decimal = 2) {
    if (price <= 0 || discount < 0)
        return 0;
    const discountedPrice = price * (1 - discount / 100);
    return safeRound(discountedPrice, decimal);
}
/**
 * Calculate the discount amount from the original price.
 *
 * @param price - The original price.
 * @param discount - The discount percentage.
 * @param decimal - The number of decimal places to round to (default is 2).
 *
 * @example
 * ```ts
 * calculateDiscountAmount(100, 10, 1); // returns 10.0
 * ```
 */
export function calculateDiscountAmount(price, discount, decimal = 2) {
    if (price <= 0 || discount < 0)
        return 0;
    const discountAmount = (price * discount) / 100;
    return safeRound(discountAmount, decimal);
}
/**
 * Calculates the profit percentage between the selling price and the cost price.
 *
 * @param sellingPrice - The selling price of the item.
 * @param costPrice - The cost price of the item.
 * @param decimal - The number of decimal places to round the result to (default is 2).
 *
 * @example
 * ```ts
 * calculatePercentageProfit(100, 80); // Returns 25.00
 * ```
 */
export function calculatePercentageProfit(sellingPrice, costPrice, decimal = 2) {
    if (costPrice <= 0 || sellingPrice < 0)
        return 0;
    const percentage = ((sellingPrice - costPrice) / costPrice) * 100;
    return safeRound(percentage, decimal);
}
/**
 * Calculates the discount percentage between the market price and the sale price.
 *
 * @param marketPrice - The original market price of the item.
 * @param salePrice - The sale price of the item.
 * @param decimal - The number of decimal places to round the result to (default is 2).
 *
 * @example
 * ```ts
 * calculatePercentageDiscount(100, 80); // Returns 20.00
 * ```
 */
export function calculatePercentageDiscount(marketPrice, salePrice, decimal = 2) {
    if (marketPrice <= 0 || salePrice < 0)
        return 0;
    const percentage = ((marketPrice - salePrice) / marketPrice) * 100;
    return safeRound(percentage, decimal);
}
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