react-async-states/dist/es/hooks/modules/HookReturnValue.js

A low-level multi paradigm state management library

import * as React from 'react';
import { freeze } from '../../shared/index.js';
import { HydrationComponent } from '../../provider/Provider.js';

function createLegacyReturn(subscription, config) {
    return createBaseReturn(subscription, config);
}
function selectState(instance, selector) {
    let { state: currentState, lastSuccess, cache } = instance;
    if (selector) {
        return selector(currentState, lastSuccess, cache);
    }
    else {
        return currentState;
    }
}
function createBaseReturn(subscription, config) {
    let instance = subscription.instance;
    let currentState = instance.state;
    let lastSuccess = instance.lastSuccess;
    let selectedState = selectState(instance, config.selector);
    let previousState = currentState.status === "pending" ? currentState.prev : currentState;
    let status = currentState.status;
    let source = subscription.instance.actions;
    return freeze({
        source,
        state: selectedState,
        dataProps: lastSuccess.props,
        isError: status === "error",
        isInitial: status === "initial",
        isPending: status === "pending",
        isSuccess: status === "success",
        data: lastSuccess.data ?? null,
        error: previousState.status === "error" ? previousState.data : null,
        onChange: subscription.onChange,
        onSubscribe: subscription.onSubscribe,
        read: subscription.read.bind(null, config),
        Hydrate: () => React.createElement(HydrationComponent, { target: [source] }),
    });
}
function selectWholeState(state) {
    return state;
}

export { createBaseReturn, createLegacyReturn, selectWholeState };
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