TypeScript Configuration
ESLint & Prettier with TypeScript
Set up typescript-eslint and prettier for code linting and formatting.
Last Updated: July 29, 2026
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10 min read
Combine typescript-eslint for static code linting with Prettier for opinionated code formatting.
1. Introduction & Architecture
2. Deep Dive & Core Concepts
typescript-eslint parses TypeScript AST to enforce type-aware lint rules like @typescript-eslint/no-floating-promises.
3. Basic Code Example
4. Advanced Production Patterns
5. Interactive Code Playground
console.log("ESLint and Prettier ensure high code quality.");6. Common Pitfalls & Edge Cases
Note: Use
eslint-config-prettier to turn off ESLint formatting rules that conflict with Prettier.7. Interview Q&A & Quizzes
Q: What is typescript-eslint?
A: The tooling ecosystem enabling ESLint to parse TypeScript AST and run type-aware lint rules.
8. Summary Comparison Table
| Tool | Responsibility |
|---|---|
typescript-eslint | Code quality, bug detection & type-aware rules |
prettier | Automated code formatting & indentation |