/** * Thrown when ORM cannot get method parameter's type. * Basically, when reflect-metadata is not available or tsconfig is not properly setup. */ export class CannotReflectMethodParameterTypeError extends Error { name = "CannotReflectMethodParameterTypeError"; constructor(target: Function, methodName: string) { super(); Object.setPrototypeOf(this, CannotReflectMethodParameterTypeError.prototype); this.message = `Cannot get reflected type for a "${methodName}" method's parameter of "${target.name}" class. ` + `Make sure you have turned on an "emitDecoratorMetadata": true option in tsconfig.json. ` + `Also make sure you have imported "reflect-metadata" on top of the main entry file in your application.`; } }