TypeScript · Intermediate
Mapped Types
Mapped types allow you to create new types based on the properties of an existing type. They are essential for transforming object structures dynamically.
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Intermediate TypeScript exercises
Read these Intermediate TypeScript snippets line by line — each one comes with a written breakdown of what the code does and why.
TypeScript · Intermediate
Conditional Types
Conditional types select one of two possible types based on a condition expressed as a type relationship test.
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Intersection Types
Intersection types combine multiple types into one, allowing you to merge existing types to create a type that has all the features you need.
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