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import { QueryActionCreatorResult } from '@reduxjs/toolkit/query';
type SubscriptionType = QueryActionCreatorResult<any>;
interface SubscriptionEntity {
subscription: SubscriptionType,
id: number
}
interface SubscriptionReducerState {
subscriptions: SubscriptionEntity[]
}
const initialState: SubscriptionReducerState = {
subscriptions: []
}
let state = initialState;
export const addSubscription = (subscription: SubscriptionType): number => {
const id = state.subscriptions.length;
const subscriptionEntity: SubscriptionEntity = {
subscription,
id
}
state.subscriptions = [...state.subscriptions, subscriptionEntity];
return id;
}
export const unsubscribeAll = () => {
state.subscriptions.forEach(({ subscription }) => {
unsubscribeAction(subscription)
});
state.subscriptions = initialState.subscriptions;
}
/**
* @param id
* @returns returns true if the subscription was stopped, false if it was not found
*/
export const unsubscribe = (id: number): boolean => {
const subscription = state.subscriptions.find(({ id: subscriptionId }) => subscriptionId === id);
if (subscription) {
unsubscribeAction(subscription.subscription);
}
return !!subscription;
}
/**
* Actual unsubscribe action
*
* @param subscription
*/
const unsubscribeAction = (subscription: SubscriptionType) => {
subscription.unsubscribe();
}