NullRejectionException class - dart:js_interop library (original) (raw)

Exception for when a JSPromise that is converted viaJSPromiseToFuture.toDart is rejected with a null or undefined value.

This is public to allow users to catch when the promise is rejected withnull or undefined versus some other value.

Implemented types

• Exception

Constructors

NullRejectionException(bool isUndefined)

Properties

hashCode → int

The hash code for this object.

no setterinherited

isUndefined → bool

final

runtimeType → Type

A representation of the runtime type of the object.

no setterinherited

Methods

noSuchMethod(Invocation invocation)→ dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString()→ String

A string representation of this object.

override

Operators

operator ==(Object other)→ bool

The equality operator.

inherited