.eslintrc vs eslint.config.js (Flat Config)
Understand the key differences, performance implications, and migration paths between these two technologies.
Choosing between .eslintrc and eslint.config.js (Flat Config)depends heavily on your project's architecture, team size, and long-term goals.
Comparison Overview
While .eslintrc excels in certain scenarios, eslint.config.js (Flat Config) is often preferred for different use cases. Understanding the fundamental differences in their design philosophy is critical.
When to use .eslintrc
- When you need strict adherence to legacy standards.
- If your team is already deeply familiar with its ecosystem.
When to use eslint.config.js (Flat Config)
- When you want to leverage modern performance improvements.
- If you are starting a completely greenfield project.