API reference › @evolu/common › Types

TypeScript utility types.

Functions

Function	Description
isPromiseLike	Type guard to check if a value is a PromiseLike.

Type Aliases

Type Alias	Description
Awaitable	A value that can be awaited.
Callback	A function that receives a value and returns nothing.
CallbackWithTeardown	A function that receives a value and optionally returns a teardown function.
Digit	Single digit 0-9. Useful for template literal type validation.
Digit1To23	Numeric string 1-23. Useful for hours validation.
Digit1To51	Numeric string 1-51. Useful for weeks validation.
Digit1To59	Numeric string 1-59. Useful for minutes, seconds validation.
Digit1To6	Numeric string 1-6. Useful for days validation.
Digit1To9	Digit 1-9. Useful for template literal type validation.
Digit1To99	Numeric string 1-99. Useful for years validation.
DistributiveOmit	Removes keys from each member of a union.
ExtractType	Extracts members of a discriminated union by their type literal.
Int1To100	Numeric literal 1-100.
Int1To99	Numeric literal 1-99.
Literal	String, number, bigint, boolean, undefined, null
Mutable	Removes readonly modifier from all properties of a type.
NewKeys	Constrains T to only contain keys not present in Existing.
NullablePartial	Makes properties optional if they accept null as a value.
NumberFromString	Parses a numeric literal type from a string literal.
PartialProp	Makes a specific property of an object optional while keeping others unchanged.
Predicate	Checks a condition on a value and returns a boolean.
PredicateWithIndex	Checks a condition on a value at a given index and returns a boolean.
Refinement	A type guard function that refines type A to a narrower type B.
RefinementWithIndex	A type guard function that refines type A to a narrower type B at a given index.
Simplify	Simplify an intersection type into a single mapped type.
UnionToIntersection	Converts a union to an intersection.
WidenLiteral	Infers a broader type from a specific literal value type.