Problems/Coding/React/Hard

Hard React

Coding problems · 100 total

Build state management library

Create reactive framework core

Implement virtual DOM from scratch

Build reconciliation algorithm

Create fiber architecture

Implement concurrent rendering

Build suspense mechanism

Create error boundary system

Implement portal system

Build context system from scratch

Create hooks implementation

Implement scheduling algorithm

Build time-slicing renderer

Create priority queue system

Implement work loop

Build commit phase logic

Create effect system

Implement ref forwarding

Build memo implementation

Create lazy loading system

Implement code splitting

Build SSR framework

Create hydration logic

Implement streaming SSR

Build server components

Create RSC architecture

Implement selective hydration

Build progressive enhancement

Create islands architecture

Implement partial hydration

Build compiler for JSX

Create transform pipeline

Implement optimization passes

Build dead code elimination

Create tree shaking logic

Implement bundle splitting

Build module federation

Create micro-frontend system

Implement runtime integration

Build plugin architecture

Create dev tools integration

Implement hot module replacement

Build fast refresh logic

Create time-travel debugging

Implement snapshot testing

Build visual regression system

Create component testing framework

Implement accessibility checker

Build performance profiler

Create memory leak detector

Implement render optimization

Build batching system

Create automatic batching

Implement priority lanes

Build interruption system

Create resumption logic

Implement offscreen rendering

Build transition tracking

Create startTransition API

Implement useDeferredValue

Build useTransition hook

Create automatic memoization

Implement React Forget compiler

Build reactive primitives

Create fine-grained reactivity

Implement signals system

Build computed values

Create effect tracking

Implement dependency tracking

Build observer pattern

Create subscription system

Implement event emitter

Build pub-sub for React

Create flux architecture

Implement Redux from scratch

Build middleware system

Create store enhancers

Implement time travel

Build action creators

Create selector library

Implement reselect

Build normalized state

Create entity adapter

Implement optimistic updates

Build undo/redo system

Create immutable updates

Implement Immer-like system

Build structural sharing

Create copy-on-write

Implement persistent data structures

Build trie for state

Create efficient diffing

Implement patch generation

Build conflict resolution

Create operational transform for React

Implement CRDT for state

Build eventually consistent state

Create sync protocol

Implement offline-first state

Create conflict resolution system