A Practical Folder Structure Guide for React and TypeScript Projects

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A developer on DEV Community has shared an industry-standard folder structure for React applications built with TypeScript. The layout adapts a standard JavaScript React architecture by replacing .jsx and .js file extensions with .tsx and .ts equivalents throughout the project. It introduces a two-level types system, with shared types stored in a global src/types/ directory and domain-specific types scoped within individual feature folders. Key configuration elements include a strict tsconfig.json with path aliases, typed environment variables, and typed component props using dedicated .types.ts files. The structure is designed to improve code maintainability, enforce type safety, and scale cleanly across large React codebases.

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