Type Alias IsObject<T>

IsObject: IsAny<T> extends true
    ? false
    : T extends object
        ? T extends Function ? false : T extends readonly any[] ? false : true
        : false

Type guard: detect whether a type is a plain object.

Type Parameters

T
Type to test

Remarks

Excludes primitives, functions, arrays and tuples by checking structural constraints to identify plain object types.

Example

type A = IsObject< { a: number } >;  // true
type B = IsObject< number[] >;       // false

Type Alias IsObject<T>

Type Parameters

Remarks

Example

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