Function assertTargetType

packages/context/src/inject.ts:408–422

(
  injection: Readonly<Injection>,
  expectedType: Function,
  expectedTypeName?: string,
)

 * @returns The name of the target
 */
export function assertTargetType(
  injection: Readonly<Injection>,
  expectedType: Function,
  expectedTypeName?: string,
) {
  const targetName = ResolutionSession.describeInjection(injection).targetName;
  const targetType = inspectTargetType(injection);
  if (targetType && targetType !== expectedType) {
    expectedTypeName = expectedTypeName ?? expectedType.name;
    throw new Error(
      `The type of ${targetName} (${targetType.name}) is not ${expectedTypeName}`,
    );
  }
  return targetName;
}

/**
 * Resolver for `@inject.getter`