FormatCompositeProps Interface

Defines the units that make up a composite format and their display properties. A composite format allows displaying a single quantity value across multiple units, such as displaying length as "5 feet 6 inches" or angle as "45° 30' 15"".

Properties

Name Type Description
includeZero Readonly boolean | undefined Whether to include unit segments with zero magnitude in the formatted output.  
spacer Readonly string | undefined Separator character between unit values when formatting composite strings.  
units Readonly FormatUnitSpec[] Array of units this format is comprised of.  

Defined in

Last Updated: 07 February, 2026