CODEWITHSUNDEEP
classinterfaceswaggernestjsdto
Anirudh Suri
Anirudh Suri

Reputation: 21

Swagger interface DTO in nestJs

export interface ProjectInterface {
  id: string;
  @ApiProperty
  title: string;
  description: string;

How to use swagger docs implementation while using interface instead of class AS DTO? At API Property annotation error is showing because of the interface that I used. But if I don't want to use class. How can I implement this?

Upvotes: 2

Views: 2545

Answers (1)

Jay McDoniel
Jay McDoniel

Reputation: 70111

It's not possible to use interfaces for Nest's swagger module. Nest's swagger module works by reading class metadata that Typescript reflects at compile time. As interfaces are existed from the runtime code, there's no metadata to be reflected and read, so you can't use interfaces, it must be a class.

Upvotes: 3

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