NumberInput

Numeric input with parsing & formatting support. Internally manages a local string state so users can type incomplete numbers (e.g. ’-’) before parsing.

Usage

<NumberInput source="price" />
<NumberInput source="width" parse={v => (v === '' ? null : parseFloat(v))} />

Props

Prop	Required	Type	Default	Description
source	Required	string	-	Field name
label	Optional	string | false	Inferred	Custom / hide label
parse	Optional	(value:string)=>number	Converts numeric strings	Convert UI string to number (return null to clear)
defaultValue	Optional	any	-	Initial value
validate	Optional	Validator | Validator[]	-	Validation
helperText	Optional	ReactNode	-	Help text
className	Optional	string	-	Extra classes
disabled	Optional	boolean	-	Disable input
readOnly	Optional	boolean	-	Mark read-only
...rest	-	input props	-	Native attributes

Behavior

• Uses internal string state + useEffect to sync external value when not focused.
• Calls field.onChange(numberValue ?? 0); adjust parse if you want nullable numbers.