Function instanceOfFunc

Export assertion functions

instanceOfFunc<R>(
    this: IAssertScope,
    constructor: Function,
    evalMsg?: MsgSource,
): R
Checks if the current value is an instance of the specified constructor. Uses the JavaScript instanceof operator for type comparison.
Type Parameters
- R
Parameters
- this: IAssertScope
  The current IAssertScope object
- constructor: Function
  The constructor function to check against (e.g., Array, Date, Error, custom class)
- OptionalevalMsg: MsgSource
  The message to display if the value is not an instance of the constructor
Returns R
The current IAssertScope.that (this) object

Throws
An AssertionFailure if the constructor is not a function or if the value is not an instance

Since
0.1.5
- Defined in assert/funcs/instanceOf.ts:24