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Co-authored-by: pooya parsa <pyapar@gmail.com> Co-authored-by: Damian Głowala <48835293+DamianGlowala@users.noreply.github.com> Co-authored-by: Alwin Lohrie <46248939+niwla23@users.noreply.github.com>
801 B
801 B
useState
useState<T>(init?: () => T | Ref<T>): Ref<T>
useState<T>(key: string, init?: () => T | Ref<T>): Ref<T>
- key: A unique key ensuring that data fetching is properly de-duplicated across requests. If you do not provide a key, then a key that is unique to the file and line number of the instance of
useStatewill be generated for you. - init: A function that provides initial value for the state when not initiated. This function can also return a
Ref. - T: (typescript only) Specify the type of state
::alert{type=warning}
Because the data inside useState will be serialized to JSON, it is important that it does not contain anything that cannot be serialized, such as classes, functions or symbols.
::
::ReadMore{link="/guide/features/state-management"} ::