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Integer<T>

Integer<T> = T extends unknown ? IsInteger<T> extends true ? T : never : never

Defined in: packages/react-querybuilder/src/types/type-fest/numeric.ts:104

A number that is an integer.

Use-case: Validating and documenting parameters.

Type Parameters​

Type Parameter
T

Examples​

type Integer = Integer<1>;
//=> 1

type IntegerWithDecimal = Integer<1.0>;
//=> 1

type NegativeInteger = Integer<-1>;
//=> -1

type Float = Integer<1.5>;
//=> never

// Supports non-decimal numbers

type OctalInteger: Integer<0o10>;
//=> 0o10

type BinaryInteger: Integer<0b10>;
//=> 0b10

type HexadecimalInteger: Integer<0x10>;
//=> 0x10
import type {Integer} from 'type-fest';

declare function setYear<T extends number>(length: Integer<T>): void;

See​

  • NegativeInteger
  • NonNegativeInteger
caution

API documentation is generated from the latest commit on the main branch. It may be somewhat inconsistent with official releases of React Query Builder.