feat: add responses payload for array types

Author: temarusanov

lib/filters/index.ts

@@ -1 +1 @@
-export * from './response.exception-filter'
+export * from './response.exception-filter'

lib/filters/response.exception-filter.ts

@@ -18,7 +18,8 @@ export class ResponseFilter implements GqlExceptionFilter {
 
         const { stack } = this._config
 
-        const stackMessage = stack === undefined || stack === true ? exception.stack : undefined
+        const stackMessage =
+            stack === undefined || stack === true ? exception.stack : undefined
 
         this._logger.error(`${message} (${description})`, exception.stack)
 

lib/index.ts

@@ -1,3 +1,3 @@
 export * from './filters'
 export * from './interfaces'
-export * from './types'
+export * from './types'

lib/interfaces/index.ts

@@ -1,3 +1,3 @@
 export * from './response-error.interface'
 export * from './response-payload.interface'
-export * from './response-filter-config.interface'
+export * from './response-filter-config.interface'

lib/interfaces/response-filter-config.interface.ts

@@ -1,3 +1,3 @@
 export interface ResponseFilterConfig {
     stack?: boolean
-} 
+}

lib/interfaces/response-payload.interface.ts

@@ -1,6 +1,6 @@
-import { ResponseError } from "./response-error.interface"
+import { ResponseError } from './response-error.interface'
 
 export interface ResponsePayload<T> {
-    data?: T
+    data?: T | T[]
     error?: ResponseError
 }

lib/types/index.ts

@@ -1,2 +1,2 @@
 export * from './response-error.type'
-export * from './response-payload.type'
+export * from './response-payload.type'

lib/types/responses-payload.type.ts

@@ -0,0 +1,20 @@
+import { Type } from '@nestjs/common'
+import { Field, ObjectType } from '@nestjs/graphql'
+import { ResponseError } from '../interfaces/response-error.interface'
+import { ResponsePayload } from '../interfaces/response-payload.interface'
+import { ResponseErrorType } from './response-error.type'
+
+export const ResponsePayloadType = <T>(
+    classRef: Type<T>,
+): Type<ResponsePayload<T>> => {
+    @ObjectType('ResponsesPayload', { isAbstract: true })
+    class ResponsePayloadType implements ResponsePayload<T> {
+        @Field(() => [classRef], { nullable: true })
+        data?: T[]
+
+        @Field(() => ResponseErrorType, { nullable: true })
+        error?: ResponseError
+    }
+
+    return ResponsePayloadType
+}