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import { useUnit } from "effector-solid";

Binds effector stores to the Solid reactivity system or, in the case of events/effects – binds to current scope to use in dom event handlers. Only effector-solid/scope version works this way, useUnit of effector-solid is no-op for events and does not require Provider with scope.

Methods

useUnit(unit)

Arguments

useUnit(event: EventCallable<T>): (payload: T) => T;
useUnit(effect: Effect<Params, Done, any>): (payload: Params) => Promise<Done>;

Arguments

  1. unit (EventCallable<T> or Effect<Params, Done, Fail>): Event or effect which will be bound to current scope.

Returns

(Function): Function to pass to event handlers. Will trigger the given unit in the current scope.

Example

A basic Solid component using useUnit with events and stores.

import { render } from "solid-js/web";
import { createEvent, createStore, fork } from "effector";
import { useUnit, Provider } from "effector-solid";


const incremented = createEvent();
const $count = createStore(0);


$count.on(incremented, (count) => count + 1);


const App = () => {
  const [count, handleIncrement] = useUnit([$count, incremented]);


  return (
    <>
      <p>Count: {count()}</p>
      <button onClick={() => handleIncrement()}>Increment</button>
    </>
  );
};


const scope = fork();


render(
  () => (
    <Provider value={scope}>
      <App />
    </Provider>
  ),
  document.getElementById("root"),
);

useUnit(store)

Formulae

useUnit($store: Store<State>): Accessor<State>;

Arguments

  1. $store effector (Store).

Returns

(Accessor<State>) which will subscribe to store state.

Example

import { createStore, createApi } from "effector";
import { useUnit } from "effector-solid";


const $counter = createStore(0);


const { incremented, decremented } = createApi($counter, {
  incremented: (count) => count + 1,
  decremented: (count) => count - 1,
});


const App = () => {
  const counter = useUnit($counter);
  const [handleIncrement, handleDecrement] = useUnit([incremented, decremented]);


  return (
    <div>
      {counter()}
      <button onClick={incremented}>Increment</button>
      <button onClick={decremented}>Decrement</button>
    </div>
  );
};

useUnit(shape)

Formulae

useUnit({ a: Store<A>, b: Event<B>, ... }): { a: Accessor<A>, b: (payload: B) => B; ... }


useUnit([Store<A>, Event<B>, ... ]): [Accessor<A>, (payload: B) => B, ... ]

Arguments

  1. shape Object or array of (EventCallable, Effect, or Store): Events, or effects, or stores as accessors which will be bound to the current scope.

Returns

(Object or Array):

  • If EventCallable or Effect: functions with the same names or keys as argument to pass to event handlers. Will trigger given unit in current scope Note: events or effects will be bound only if useUnit is imported from effector-solid/scope.
  • If Store: accessor signals which will subscribe to the store state.

Examples

import { render } from "solid-js/web";
import { createStore, createEvent, fork } from "effector";
import { useUnit, Provider } from "effector-solid/scope";


const incremented = createEvent();
const decremented = createEvent();


const $count = createStore(0)
  .on(incremented, (count) => count + 1)
  .on(decremented, (count) => count - 1);


const App = () => {
  const count = useUnit($count);
  const on = useUnit({ incremented, decremented });
  // or
  const [a, b] = useUnit([incremented, decremented]);


  return (
    <>
      <p>Count: {count()}</p>
      <button onClick={() => on.incremented()}>Increment</button>
      <button onClick={() => on.decremented()}>Decrement</button>
    </>
  );
};


const scope = fork();


render(
  () => (
    <Provider value={scope}>
      <App />
    </Provider>
  ),
  document.getElementById("root"),
);
Перевод поддерживается сообществом

Документация на английском языке - самая актуальная, поскольку её пишет и обновляет команда effector. Перевод документации на другие языки осуществляется сообществом по мере наличия сил и желания.

Помните, что переведенные статьи могут быть неактуальными, поэтому для получения наиболее точной и актуальной информации рекомендуем использовать оригинальную англоязычную версию документации.

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