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InstanceType

This type constructs a type consisting of the instance type of a constructor function in Type.

class C {
  x = 0;
  y = 0;
}

type T0 = InstanceType<typeof C>;
// type T0 = C

type T1 = InstanceType<any>;
// type T1 = any

type T2 = InstanceType<never>;
// type T2 = never

type T3 = InstanceType<string>;
// ^ Type 'string' does not satisfy the constraint 'abstract new (...args: any) => any'.

type T4 = InstanceType<Function>;
// ^ Type 'Function' does not satisfy the constraint 'abstract new (...args: any) => any'.

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