Glossary term
What is satisfies (satisfies operator)?
satisfies stands for satisfies operator.
In Senior Frontend Depth
Checks a value against a type but keeps the exact inferred type.
Learn it properly · Senior Frontend DepthLesson 4: Advanced TypeScript for Interviews: Generics, Narrowing, Utility and Conditional TypesGeneric constraints, discriminated unions, infer, mapped types, satisfies, and keeping API response types correct from the server to the UI.In Full-Stack Questions
A TypeScript operator that checks a value against a type but keeps the value's own, more exact type.
Learn it properly · Full-Stack QuestionsLesson 3: TypeScript Interview QuestionsGenerics, narrowing, utility types, tsconfig flags, typing React and APIs, and the errors that confuse people.In TypeScript From Zero
An operator that checks a value against a type without widening its inferred type.
Learn it properly · TypeScript From ZeroLesson 2: Objects, Interfaces, Type Aliases and ClassesObject types, interface versus type, structural typing, excess-property checks, classes, enums versus unions, as const and satisfies.