Type Alias IsNonEmptyTuple<T>

IsNonEmptyTuple: IsTuple<T> extends true
? T extends readonly [] ? false : true
: false

Type guard: check whether a type is a non-empty tuple.

Type Parameters

T
Type to check

Remarks

Combines tuple detection with an emptiness check.

Example

type A = IsNonEmptyTuple< [ number ] >;  // true
type B = IsNonEmptyTuple< [] >;          // false