localstorage-patterns

Features and purpose

Comprehensive guide to localStorage patterns for the Plataforma B2B de treinamento técnico corporativo educational platform. This skill covers schema design, error handling strategies, quota management, and synchronization patterns essential for building resilient web applications with client-side persistence. Learn how to handle common localStorage errors (QuotaExceededError, SecurityError, DOMException), implement graceful degradation, manage storage quotas (5-10MB browser limits, 50KB per note), and sync localStorage with React state. The skill emphasizes defensive programming, user-friendly error messages, and fallback strategies. Real-world examples are taken directly from the project codebase, including CNotesView, BashNotesView, and auto-save patterns used across 5 learning systems. Each pattern is demonstrated with production code showing how localStorage is used to persist 227 educational modules' progress and user notes. Key topics include try/catch patterns for all localStorage operations, Quota

Quick start

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