What are some useful TypeScript tips and tricks?
Here are a few tips: 1. Use interfaces for type checking, 2. Leverage union types, 3. Utilize optional chaining.
Can you explain how optional chaining works?
Optional chaining allows you to safely access deeply nested properties without having to check each level for null or undefined.
What are union types and how do I use them?
Union types let you define a variable that can hold multiple types. For example, let value: string | number;
allows value
to be either a string or a number.
Any tips for improving TypeScript performance?
Yes! Use tsconfig.json
to exclude unnecessary files, and consider using noEmitOnError
to prevent emitting files when there are errors.
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