TPhetioStateEngine¶

Overview¶

The PhetioStateEngine is defined in the phet-io/ repo, so is not available to developers that cannot clone that repo. Describe the interface explicitly here.

@author Sam Reid (PhET Interactive Simulations) @author Michael Kauzmann (PhET Interactive Simulations)

Type TPhetioStateEngine¶

import type { TPhetioStateEngine } from 'scenerystack/tandem';

• onBeforeApplyStateEmitter: TReadOnlyEmitter<[ PhetioObject ]>
• undeferEmitter: Emitter<[ FullPhetioState ]>
• isSettingStateProperty: TReadOnlyProperty<boolean>

Source Code¶

See the source for TPhetioStateEngine.ts in the tandem repository.