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What are the best practices for using types and interfaces in TypeScript?

An example of an AI chatbot conversation about types and interfaces in TypeScript best practices.

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You

What are the best practices for using types and interfaces in TypeScript?

MagicBuddy
MagicBuddy

When using TypeScript, prefer interfaces for object shapes and types for unions or primitives. This enhances readability.

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You

Can you explain why interfaces are better for object shapes?

MagicBuddy
MagicBuddy

Interfaces can be extended and merged, making them more flexible for defining complex object structures.

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You

What about using types for function signatures?

MagicBuddy
MagicBuddy

Types are great for function signatures, especially when you need to define union types or complex return types.

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You

Are there any performance differences between types and interfaces?

MagicBuddy
MagicBuddy

Generally, there are no significant performance differences at runtime, but interfaces can provide better tooling support.

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