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Regression bug validationMetadatasToSchemas v5.0.0 #100

@hxtree

Description

@hxtree

There appears to be a regression bug. The instructions provided in the readme work on 3.1.1 but do not work on version 5.0.0

// eslint-disable-next-line max-classes-per-file
import { Type } from 'class-transformer';
import { IsString, ValidateNested } from 'class-validator';
import { validationMetadatasToSchemas } from 'class-validator-jsonschema';

const { defaultMetadataStorage } = require('class-transformer/cjs/storage');

class BlogPost {
  @IsString()
  public words: string;
}

class User {
  @ValidateNested({ each: true })
  @Type(() => BlogPost)
  public blogPosts: BlogPost[];
}

const schemas = validationMetadatasToSchemas({
  classTransformerMetadataStorage: defaultMetadataStorage,
});
    TypeError: Cannot read properties of undefined (reading 'map')

      17 | }
      18 |
    > 19 | const schemas = validationMetadatasToSchemas({
         |                                             ^
      20 |   classTransformerMetadataStorage: defaultMetadataStorage,
      21 | });
      22 |

      at populateMetadatasWithConstraints (../../common/temp/node_modules/.pnpm/class-validator-jsonschema@5.0.0_e6kgdsnyya5caxg3ysdyxrqm7a/node_modules/class-validator-jsonschema/src/index.ts:146:20)
      at getMetadatasFromStorage (../../common/temp/node_modules/.pnpm/class-validator-jsonschema@5.0.0_e6kgdsnyya5caxg3ysdyxrqm7a/node_modules/class-validator-jsonschema/src/index.ts:137:23)
      at validationMetadatasToSchemas (../../common/temp/node_modules/.pnpm/class-validator-jsonschema@5.0.0_e6kgdsnyya5caxg3ysdyxrqm7a/node_modules/class-validator-jsonschema/src/index.ts:29:21)
      at Object.<anonymous> (src/__tests__/te.test.ts:19:45)     

When using version 5.0.0 the only way to call validationMetadatasToSchemas appears to be without any "()" or "({}".

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