Utility Helper Functions

When to use this skill

• Formatting prices in PKR or USD.
• Truncating long descriptions in cards.
• Pretty-printing dates for travel itineraries.

Recommended Helpers

Currency

export const formatCurrency = (amount: number, currency = 'PKR') => {
    return new Intl.NumberFormat('en-PK', {
        style: 'currency',
        currency,
        maximumFractionDigits: 0,
    }).format(amount);
};

String Truncation

export const truncate = (str: string, length: number) => {
    return str.length > length ? str.substring(0, length) + '...' : str;
};

Instructions

• Location: Store all helpers in lib/utils.ts or utils/index.ts.
• DRY: Check for existing helpers before writing new logic.