Interface PropertyFn

Represents a function that defines a property assertion for a given name. Asserts that the property name exists on the target object.

PropertyFn<T>(
    name: string | number | symbol,
    value?: T,
    evalMsg?: MsgSource,
): IPropertyResultOp
Asserts that the property exists on the target object.
Type Parameters
- T
  The type of the property value.
Parameters
- name: string | number | symbol
  The name of the property.
- Optionalvalue: T
  The expected value of the property.
- OptionalevalMsg: MsgSource
  The evaluation message source.
Returns IPropertyResultOp
A new assertion instance this with the value of the property.

Throws
An AssertionFailure if the property does not exist.

Throws
An AssertionFailure if the property value does not match the expected value.
- Defined in assert/interface/funcs/PropertyFn.ts:27