types-testing/dist/lib/assertions/to-extends.js

Test TypeScript types at test runner runtime - Works seamlessly with Jest, Vitest, and Bun.

import { Factory } from "../index.js";
const toExtends = Factory.assertionWithTypeArgument(
  (checker, received, expected) => {
    return checker.isTypeAssignableTo(received, expected);
  }
);
const toAssignable = toExtends;
const toCompatible = toExtends;
const toExtendsMutually = Factory.assertionWithTypeArgument(
  (checker, received, expected) => {
    return checker.isTypeAssignableTo(received, expected) && checker.isTypeAssignableTo(expected, received);
  }
);
const toAssignableMutually = toExtendsMutually;
const toMutual = toExtendsMutually;
const toExtendsEitherWay = Factory.assertionWithTypeArgument(
  (checker, received, expected) => {
    return checker.isTypeAssignableTo(received, expected) || checker.isTypeAssignableTo(expected, received);
  }
);
const toAssignableEitherWay = toExtendsEitherWay;
const toRelate = toExtendsEitherWay;
export {
  toAssignable,
  toAssignableEitherWay,
  toAssignableMutually,
  toCompatible,
  toExtends,
  toExtendsEitherWay,
  toExtendsMutually,
  toMutual,
  toRelate
};