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fix: ensure nested objects are properly validated & transformed

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To validate nested objects, class-transformer requires
the `@ValidateNested` annotation.
For arrays, class-transfomer requires
setting `each: true`.

To correctly transform nested objects from JSON to instances,
class-transformer requires the `@Type` annotation.

References:
https://github.com/typestack/class-validator#validating-nested-objects
https://github.com/typestack/class-validator#validating-arrays
https://github.com/typestack/class-transformer#working-with-nested-objects
Signed-off-by: David Mehren <git@herrmehren.de>
This commit is contained in:
David Mehren 2022-03-05 12:02:13 +01:00 • committed by Philip Molares
parent 324536bc2d
commit 59a235ebc4
3 changed files with 16 additions and 7 deletions
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2
src/notes/note.dto.ts
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@ -4,6 +4,7 @@
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { ApiProperty } from '@nestjs/swagger';
import { Type } from 'class-transformer';
import { IsArray, IsString, ValidateNested } from 'class-validator';
import { EditDto } from '../revisions/edit.dto';
@ -31,6 +32,7 @@ export class NoteDto extends BaseDto {
*/
@IsArray()
@ValidateNested({ each: true })
@Type(() => EditDto)
@ApiProperty({ isArray: true, type: EditDto })
editedByAtPosition: EditDto[];
}