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use-store.ts
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use-store.ts
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import { PublicSubject } from '../../services/stores/common/types';
import { useCoreStore } from '../../services/stores/core';
import { useGlobalStore } from '../../services/stores/global';
import { usePresence3DStore } from '../../services/stores/presence3D';
import { useVideoStore } from '../../services/stores/video';
import { useWhoIsOnlineStore } from '../../services/stores/who-is-online';
import { Store, StoreType } from '../types/stores.types';
const stores = {
[StoreType.GLOBAL]: useGlobalStore,
[StoreType.WHO_IS_ONLINE]: useWhoIsOnlineStore,
[StoreType.VIDEO]: useVideoStore,
[StoreType.PRESENCE_3D]: usePresence3DStore,
[StoreType.CORE]: useCoreStore,
};
/**
* @function subscribe
* @description Subscribes to a subject and either update the value of the property each time there is a change, or call the callback that provides a custom behavior to the subscription
* @param name The name of the property to be updated in case there isn't a callback
* @param subject The subject to be subscribed
* @param callback The callback to be called each time there is a change
*/
function subscribeTo<T>(
name: string,
subject: PublicSubject<T>,
callback?: (value: T) => void,
): void {
subject.subscribe(this, () => {
if (callback) {
callback(subject.value);
} else {
this[name] = subject.value;
}
if (this.requestUpdate) this.requestUpdate();
});
if (!this.unsubscribeFrom) this.unsubscribeFrom = [];
this.unsubscribeFrom.push(subject.unsubscribe);
}
/**
* @function useGlobalStore
* @description Returns a proxy of the global store data and a subscribe function to be used in the components
*/
export function useStore<T extends StoreType>(name: T): Store<T> {
const storeData = stores[name as StoreType]();
const bindedSubscribeTo = subscribeTo.bind(this);
const proxy = new Proxy(storeData, {
get(store, valueName: string) {
if (valueName === 'destroy') return store.destroy;
return {
subscribe(callback?) {
bindedSubscribeTo(valueName, store[valueName], callback);
},
subject: store[valueName],
get value() {
return this.subject.value;
},
publish(newValue) {
this.subject.value = newValue;
},
};
},
});
return proxy;
}