function effectimport { effect } from "https://deno.land/x/vue3_reactivity@v1.0.0/src/effect.ts"; effect<T = any>(fn: () => T, options?: ReactiveEffectOptions): ReactiveEffectRunnerType ParametersoptionalT = anyParametersfn: () => Toptionaloptions: ReactiveEffectOptionsReturnsReactiveEffectRunner