Ujjwal Pudasaini — Frontend Engineer

The Problem with State Management

Managing state in React can feel like managing your in-laws—too many rules, too much drama. Redux makes you file paperwork, Context makes everyone re-render, and suddenly you're questioning life choices.

Meet Zustand: small, fast, and powerful. It proves you don't need complexity to manage global state. (Fun fact: "Zustand" means state in German. But in practice? It means finally, some peace of mind.)

🌍 Flux Roots, Without the Headaches

Zustand borrows Flux's good ideas:

• Single source of truth (the store)
• Components subscribe to it
• State updates in one direction

But unlike Redux, you don't need an action type, a reducer, and a prayer.

🆚 Redux vs. Zustand (Paperwork vs. Pizza)

Redux Counter Example:

const INCREMENT = "INCREMENT";

function counterReducer(state = { count: 0 }, action) {
  switch (action.type) {
    case INCREMENT:
      return { count: state.count + 1 };
    default:
      return state;
  }
}

Zustand Counter Example:

import { create } from "zustand";

const useCounter = create((set) => ({
  count: 0,
  increment: () => set((s) => ({ count: s.count + 1 })),
}));

🍕 Redux feels like tax forms. Zustand feels like ordering pizza.

⚡ Why Faster Than Context?

Context:

one sneeze, whole office reloads 🤧

Zustand:

only the person with tissues updates 🧻

Thanks to subscription-based updates, Zustand avoids unnecessary renders and keeps your app snappy.

🛠️ The Ecosystem

Selectors → subscribe only to what you need.

Middleware → persist to localStorage, add devtools.

Async flows → handle API calls easily.

Scalability → works in both toy apps and production.

🐻 The Bear Store

import { create } from "zustand";

const useBearStore = create((set) => ({
  bears: 0,
  addBear: () => set((s) => ({ bears: s.bears + 1 })),
}));

function Zoo() {
  const { bears, addBear } = useBearStore();
  return (
    <div>
      <h1>🐻 Count: {bears}</h1>
      <button onClick={addBear}>➕ Add Bear</button>
    </div>
  );
}

With Redux, that'd take four files and one existential crisis.

When to Use Zustand

Small apps

→ Context replacement

Medium apps

→ API state, UI state

Large apps

→ multiple stores + middleware

Basically: anytime you want global state without global headaches.

Final Thoughts

State management should be invisible. With Zustand, it's so chill you'll forget it's there—like a roommate who pays rent on time.

👉 Replace the complexity. Stay chill. Use Zustand.

Zustand: The Chillest State Manager You'll Ever Meet

State Management Made Simple