fix: convert empty string value to undefined for Number Field (#90)

VitaliiDC8 · web-flow · commit 0724caca315d · 2023-08-25T11:10:58.000+02:00
diff --git a/src/lib/core/components/Form/hooks/useField.tsx b/src/lib/core/components/Form/hooks/useField.tsx
@@ -95,8 +95,8 @@ export const useField = <Value extends FieldValue, SpecType extends Spec>({
                 const error = validate?.(_value);
                 let value = transformArrIn(_value);
 
-                if (isNumberSpec(spec) && value && !error) {
-                    value = Number(value) as Value;
+                if (isNumberSpec(spec) && !error) {
+                    value = (value ? Number(value) : undefined) as Value;
                 }
 
                 let newChildErrors: Record<string, ValidateError> = {...state.childErrors};

Original file line number	Diff line number	Diff line change
`@@ -95,8 +95,8 @@ export const useField = <Value extends FieldValue, SpecType extends Spec>({`
`95`	`95`	`const error = validate?.(_value);`
`96`	`96`	`let value = transformArrIn(_value);`
`97`	`97`
`98`		`- if (isNumberSpec(spec) && value && !error) {`
`99`		`- value = Number(value) as Value;`
	`98`	`+ if (isNumberSpec(spec) && !error) {`
	`99`	`+ value = (value ? Number(value) : undefined) as Value;`
`100`	`100`	`}`
`101`	`101`
`102`	`102`	`let newChildErrors: Record<string, ValidateError> = {...state.childErrors};`