Function asBoolean

asBoolean(value): Optional<boolean>
Narrows an unknown value to a boolean if it is type-compatible, or returns undefined otherwise.
Parameters
- value: unknown
  The value to test.
Returns Optional<boolean>
- Defined in narrowing/as.ts:64
asBoolean(value, defaultValue): boolean
Narrows an unknown value to a boolean if it is type-compatible, or returns the provided default otherwise.
Parameters
- value: unknown
  The value to test.
- defaultValue: boolean
  The default to return if value was undefined or of the incorrect type.
Returns boolean
- Defined in narrowing/as.ts:71