schema-object-metadata.interface.ts

import { Type } from '@nestjs/common';
import { EnumSchemaAttributes } from './enum-schema-attributes.interface';
import { ReferenceObject, SchemaObject } from './open-api-spec.interface';

export type EnumAllowedTypes =
  | any[]
  | Record<string, any>
  | (() => any[] | Record<string, any>);

interface SchemaObjectCommonMetadata extends Omit<
  SchemaObject,
  'type' | 'required' | 'properties' | 'enum' | 'pattern'
> {
  isArray?: boolean;
  name?: string;
  pattern?: string | RegExp;
  enum?: EnumAllowedTypes;
}

export type SchemaObjectMetadata =
  | (SchemaObjectCommonMetadata & {
      type?:
        | Type<unknown>
        | Function
        | [Function]
        | 'array'
        | 'string'
        | 'number'
        | 'boolean'
        | 'integer'
        | 'file'
        | 'null';
      required?: boolean;
    })
  | ({
      type?: Type<unknown> | Function | [Function] | Record<string, any>;
      required?: boolean;
      enumName: string;
      enumSchema?: EnumSchemaAttributes;
    } & SchemaObjectCommonMetadata)
  | ({
      type: 'object';
      properties: Record<string, SchemaObjectMetadata>;
      required?: string[];
      selfRequired?: boolean;
    } & SchemaObjectCommonMetadata)
  | ({
      type: 'object';
      properties?: Record<string, SchemaObjectMetadata>;
      additionalProperties: SchemaObject | ReferenceObject | boolean;
      required?: string[];
      selfRequired?: boolean;
    } & SchemaObjectCommonMetadata);