Master complex patterns and expert-level concepts to build high-performance applications with EseniIa.
Get StartedDeepen your understanding with tutorials on optimization, complex integrations, and sophisticated UI patterns.
Learn advanced techniques for caching, lazy loading, and reducing bundle sizes.
Explore scalable state management patterns and modular store architecture.
Build robust API clients with retries, observables, and caching strategies.
Implement SEO-friendly and fast-loading applications with SSR techniques.
Create complex interfaces with animation, transitions, and conditional rendering.
Practical implementations of advanced patterns and best practices.
{`function useAdvancedState(defaultValue) {
const [state, setState] = useState(defaultValue)
const update = (fn) => {
setState(prev => {
const newState = fn(prev)
return JSON.parse(JSON.stringify(newState))
})
return update
}
`}
A deep-cloning wrapper for state updates ensuring predictable changes.
{`const apiCache = {
get: key => {
const cache = localStorage.getItem(\`eseniia-cache-\${key}\`)
const json = JSON.parse(cache)
return (
json?.expires > Date.now() ? json.data : null
)
},
set: (key, data, ttl) => {
localStorage.setItem(
\`eseniia-cache-\${key}\`,
JSON.stringify({
expires: Date.now() + (ttl || 60000),
data
})
)
}
}
`}
Custom cache storage with expiration handling for API requests.
Test your understanding with hands-on coding challenges for each advanced topic.
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