Function assertInstanceOf

assertInstanceOf<T>(
    value: unknown,
    type: Class<T>,
    reason?: string,
): asserts value is T
Asserts that given value is an instance of the given class.
Type Parameters
- T
Parameters
- value: unknown
  The value to check.
- type: Class<T>
  The class the value must be an instance of.
- Optionalreason: string
  Optional reason added to exception message when assertion fails.
Returns asserts value is T
Throws
AssertionError when value is not an instance of the given class.
- Defined in assertInstanceOf.ts:17