Function isSome

Generic TypeGuard against null or undefined values.

Example

const maybeValue: string | undefined = "TypeScript";
isSome(maybeValue)
// => true
// typeof maybeValue is string

isSome<Value>(value?: null | Value): value is NonNullable<Value>
Type Parameters
- Value
  The type of the value to test.
Parameters
- Optionalvalue: null | Value
  The value to test.
Returns value is NonNullable<Value>
- Defined in src/typeguard/is-some.ts:11