@ekwoka/preact-global-state/dist/index.js

Global State for Preact. With Types!

import { signal } from '@preact/signals';
import { useCallback } from 'preact/hooks';
const store = {};
export const Store = (initialValues) => {
    Object.entries(initialValues).forEach(([key, value]) => {
        store[key] = signal(value);
    });
};
export const useGlobalSignal = (key, defaultValue = null) => {
    store[key] = store[key] ?? signal(defaultValue);
    return store[key];
};
export const useGlobalState = (key, defaultValue) => {
    const signal = useGlobalSignal(key, defaultValue);
    const set = useCallback((v) => {
        const newValue = v instanceof Function ? v(signal.value) : v;
        signal.value = newValue;
    }, [signal]);
    return [store[key].value, set];
};