TypeError: pathToRegexp.parse

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swagger doesn’t work with tsconfig-paths

Minimal reproduction of the problem with instructions

For example i set path in tsconfig

"paths": {
      "*": [
        "node_modules/*"
      ],
      "@services/*": [
        "src/services/*"
      ],
      "@controllers/*": [
        "src/controllers/*"
      ],
      "@middleware/*": [
        "src/middleware/*"
      ],
      "@models/*": [
        "src/models/*"
      ],
      "@helper/*": [
        "src/helper/*"
      ]
    }

Set build swagger in main func

const options = new DocumentBuilder()
    .setTitle('Cats example')
    .setDescription('The cats API description')
    .setVersion('1.0')
    .addTag('cats')
    .build();
  const document = SwaggerModule.createDocument(app, options);
  SwaggerModule.setup('api', app, document);

If i replace all import paths to controller(import {SomeController} from “@controllers/SomeController.ts” for exml) get throw

(node:15288) UnhandledPromiseRejectionWarning: TypeError: pathToRegexp.parse(...) is not a function or its return value is not iterable
    at SwaggerExplorer.validateRoutePath (C:\projects\test\nest-app\node_modules\@nestjs\swagger\dist\swagger-explorer.js:107:41)
    at SwaggerExplorer.generateDenormalizedDocument (C:\projects\test\nest-app\node_modules\@nestjs\swagger\dist\swagger-explorer.js:42:25)
    at SwaggerExplorer.exploreController (C:\projects\test\nest-app\node_modules\@nestjs\swagger\dist\swagger-explorer.js:36:21)
    at denormalizedArray.map.ctrl (C:\projects\test\nest-app\node_modules\@nestjs\swagger\dist\swagger-scanner.js:33:82)
    at Array.map (<anonymous>)
    at SwaggerScanner.scanModuleRoutes (C:\projects\test\nest-app\node_modules\@nestjs\swagger\dist\swagger-scanner.js:33:56)
    at modules.map (C:\projects\test\nest-app\node_modules\@nestjs\swagger\dist\swagger-scanner.js:28:25)
    at Array.map (<anonymous>)
    at SwaggerScanner.scanApplication (C:\projects\test\nest-app\node_modules\@nestjs\swagger\dist\swagger-scanner.js:15:43)
    at Function.createDocument (C:\projects\test\nest-app\node_modules\@nestjs\swagger\dist\swagger-module.js:8:41)

Environment

Nest swagger version: 3.1.0
Nest version: 6.5.3
tsconfig-paths version: 3.8.0

 
For Tooling issues:
- Node version: 10.16.0
- Platform:  Windows

[fjodor-rybakov]

Could you detail how you solved the error @fjodor-rybakov please ? I’ve updated Nest to 6.6.3 (latest as I write this comment), and I’m still encountering the error when I try to launch my server.

Oh, sorry… My mistake. The problem was not in the package version. tsconfig was incorrect.

"paths": {
      "*": [
        "node_modules/*"
      ]
}

this throw error delete this option solve my problem

[lock[bot]]

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