Quick Start

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1. Install Reaxium

npm

npm install @reaxium/core

pnpm

pnpm add @reaxium/core

yarn

yarn add @reaxium/core

bun

bun add @reaxium/core

---

2. Create Your First Atom

import { atom } from '@reaxium/core';

const count = atom(0);

console.log(count.get()); // 0
count.set(1);
console.log(count.get()); // 1

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3. Subscribe to Changes

const unsubscribe = count.subscribe((value) => {
  console.log('Count changed:', value);
});
// Output: "Count changed: 1"
count.set(2); // Output: "Count changed: 2"
unsubscribe();

---

4. Create a Computed Value

import { computed } from '@reaxium/core';

const double = computed(() => count.get() * 2, [count]);

console.log(double.get()); // 4
count.set(3);
console.log(double.get()); // 6

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5. Watch for Side Effects

import { watch } from '@reaxium/core';

watch(count, (value) => {
  console.log('New count:', value);
});
// Output: "New count: 3"