Synchronously formats a phone number according to the specified format. Requires metadata to be pre-loaded via registerMetadata() or preloadRegions().
The phone number string or ParsedPhoneNumber to format
The desired output format
Parsing options (only used if input is a string)
The formatted phone number string, or empty string if invalid
// Pre-load metadata firstregisterMetadata(DE)// Then use sync formattingconst result = formatSync("+49 170 1234567", "international") Copy
// Pre-load metadata firstregisterMetadata(DE)// Then use sync formattingconst result = formatSync("+49 170 1234567", "international")
Synchronously formats a phone number according to the specified format. Requires metadata to be pre-loaded via registerMetadata() or preloadRegions().