Function formatFiatPrice

formatFiatPrice(price: Nullish<number>, currency?: string): string
Formats a numeric value as a price in the specified currency.

Unlike formatUSDPrice, this function allows for formatting prices in any currency using the browser's Intl.NumberFormat API. It applies the appropriate currency symbol and number formatting based on the specified currency code.
Parameters
- price: Nullish<number>
  The price value to format
- Optionalcurrency: string = 'USD'
  The ISO 4217 currency code (e.g., 'USD', 'EUR', 'JPY')
Returns string
The formatted price as a string with appropriate currency symbol, or '-' if input is null or undefined
Example
```
// Format a USD price (default)
formatFiatPrice(1234.56);
// Returns: '$1,234.56'
```
Example
```
// Format a Euro price
formatFiatPrice(1234.56, 'EUR');
// Returns: '€1,234.56'
```
Example
```
// Format a Japanese Yen price
formatFiatPrice(1234.56, 'JPY');
// Returns: '¥1,235'
```
Example
```
// Handle null input
formatFiatPrice(null);
// Returns: '-'
```
- Defined in src/utils/numberFormat.ts:522