Function formatArea

formatArea(m2: number, units: UnitSystem): string
Format an area for display.
Parameters
- m2: number
  Area in square metres.
- units: UnitSystem
  'metric' (m² → ha at 10 000 → km² at 1 000 000) or 'imperial' (ft² → acres at 43 560 → mi² at 27 878 400).
Returns string