Function isBoolean

isBoolean(
value: string | number | bigint | symbol | object | Function,
): value is never
Check if the given value is a boolean.
Parameters
- value: string | number | bigint | symbol | object | Function
  The value to check
Returns value is never
True if the value is a boolean
isBoolean(
value: string | number | bigint | true | symbol | object | Function,
): value is true
Check if the given value is a boolean.
Parameters
- value: string | number | bigint | true | symbol | object | Function
  The value to check
Returns value is true
True if the value is a boolean
isBoolean(
value: string | number | bigint | false | symbol | object | Function,
): value is false
Check if the given value is a boolean.
Parameters
- value: string | number | bigint | false | symbol | object | Function
  The value to check
Returns value is false
True if the value is a boolean
isBoolean<T extends boolean>(
value: string | number | bigint | symbol | object | Function | T,
): value is boolean extends T ? boolean : T
Check if the given value is a boolean.
Type Parameters
- T extends boolean
Parameters
- value: string | number | bigint | symbol | object | Function | T
  The value to check
Returns value is boolean extends T ? boolean : T
True if the value is a boolean
isBoolean(value: unknown): value is boolean
Check if the given value is a boolean.
Parameters
- value: unknown
  The value to check
Returns value is boolean
True if the value is a boolean