Nest: Class constructor MixinStrategy cannot be invoked without 'new'

[printjs]

I'm submitting a...

[ ] Regression 
[x ] Bug report
[ ] Feature request
[ ] Documentation issue or request
[ ] Support request => Please do not submit support request here, instead post your question on Stack Overflow.

Current behavior

Class constructor MixinAuthGuard cannot be invoked without 'new'

Expected behavior

normal

auth.module.ts
import { Module } from "@nestjs/common";
import { PassportModule } from "@nestjs/passport";
import { JwtModule } from "@nestjs/jwt";
import { AuthService } from "@modules/auth/auth.service";
import { JwtStrategy } from "@services/jwt.strategy";
import { AuthController } from "./auth.controller";

@Module({
    controllers: [AuthController],
    imports: [
        PassportModule.register({ defaultStrategy: "jwt" }),
        JwtModule.register({
            secretOrPrivateKey: "secretKey",
            signOptions: {
                expiresIn: 3600,
            },
        })
    ],
    providers: [AuthService, JwtStrategy],
    exports: [PassportModule, JwtModule],
})
export class AuthModule { }

```ts
jwt.strategy.ts
import { Injectable, UnauthorizedException } from "@nestjs/common";
import { PassportStrategy } from "@nestjs/passport";
import { ExtractJwt, Strategy } from "passport-jwt";
import { AuthService } from "@modules/auth/auth.service";
import { IJwtPayload } from "./interfaces/jwt.payload";

@Injectable()
export class JwtStrategy extends PassportStrategy(Strategy) {
constructor(
private readonly authService: AuthService,
) {
super({
jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
secretOrKey: "secretKey",
});
}

public async validate(payload: IJwtPayload) {
    const user = await this.authService.validateUser(payload);
    if (!user) {
        throw new UnauthorizedException();
    }
    return user;
}

}

![image](https://user-images.githubusercontent.com/17404628/57681629-a5ad9580-7662-11e9-9029-4501681672a2.png)



## Environment

<pre><code>
Nest version: 6.2.0
<!-- Check whether this is still an issue in the most recent Nest version -->

For Tooling issues:
- Node version: 10.15.3
- Platform: mac
</code></pre>
Others:
> I use platform-fastify

package.json

```json
{
  "dependencies": {
    "@nestjs/common": "^6.2.0",
    "@nestjs/core": "^6.2.0",
    "@nestjs/jwt": "^6.0.0",
    "@nestjs/passport": "^6.0.0",
    "@nestjs/platform-express": "^6.2.0",
    "@nestjs/platform-fastify": "^6.2.0",
    "@nestjs/typeorm": "^6.1.1",
    "passport": "^0.4.0",
    "passport-jwt": "^4.0.0",
    "pg": "^7.11.0",
    "reflect-metadata": "^0.1.13",
    "rxjs": "^6.5.2",
    "typeorm": "^0.2.17"
  },
  "devDependencies": {
    "@types/node": "^12.0.0",
    "@types/passport-jwt": "^3.0.1",
    "nodemon": "^1.19.0",
    "ts-node": "^8.1.0",
    "tsconfig-paths": "^3.8.0",
    "tslint": "^5.16.0",
    "typescript": "^3.4.5"
  }
}

[printjs]

@kamilmysliwiec @jbpionnier @renovate-bot

[kamilmysliwiec]

1. I'd not suggest using passport with fastify
2. Could you share your tsconfig.json file?

[printjs]

@kamilmysliwiec
yes

{
  "compilerOptions": {
    /* Basic Options */
    "target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019' or 'ESNEXT'. */
    "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', or 'ESNext'. */
    // "lib": [],                             /* Specify library files to be included in the compilation. */
    // "allowJs": true,                       /* Allow javascript files to be compiled. */
    // "checkJs": true,                       /* Report errors in .js files. */
    // "jsx": "preserve",                     /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */
    // "declaration": true,                   /* Generates corresponding '.d.ts' file. */
    // "declarationMap": true,                /* Generates a sourcemap for each corresponding '.d.ts' file. */
    // "sourceMap": true,                     /* Generates corresponding '.map' file. */
    // "outFile": "./",                       /* Concatenate and emit output to single file. */
    // "outDir": "./",                        /* Redirect output structure to the directory. */
    // "rootDir": "./",                       /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */
    // "composite": true,                     /* Enable project compilation */
    // "incremental": true,                   /* Enable incremental compilation */
    // "tsBuildInfoFile": "./",               /* Specify file to store incremental compilation information */
    "removeComments": true, /* Do not emit comments to output. */
    // "noEmit": true,                        /* Do not emit outputs. */
    // "importHelpers": true,                 /* Import emit helpers from 'tslib'. */
    // "downlevelIteration": true,            /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */
    // "isolatedModules": true,               /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */
    /* Strict Type-Checking Options */
    "strict": true, /* Enable all strict type-checking options. */
    // "noImplicitAny": true,                 /* Raise error on expressions and declarations with an implied 'any' type. */
    // "strictNullChecks": true,              /* Enable strict null checks. */
    // "strictFunctionTypes": true,           /* Enable strict checking of function types. */
    // "strictBindCallApply": true,           /* Enable strict 'bind', 'call', and 'apply' methods on functions. */
    // "strictPropertyInitialization": true,  /* Enable strict checking of property initialization in classes. */
    // "noImplicitThis": true,                /* Raise error on 'this' expressions with an implied 'any' type. */
    // "alwaysStrict": true,                  /* Parse in strict mode and emit "use strict" for each source file. */
    /* Additional Checks */
    // "noUnusedLocals": true,                /* Report errors on unused locals. */
    // "noUnusedParameters": true,            /* Report errors on unused parameters. */
    // "noImplicitReturns": true,             /* Report error when not all code paths in function return a value. */
    // "noFallthroughCasesInSwitch": true,    /* Report errors for fallthrough cases in switch statement. */
    /* Module Resolution Options */
    "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */
    "baseUrl": "./", /* Base directory to resolve non-absolute module names. */
    "paths": {
      "@entities/*": [
        "src/db/entities/*"
      ],
      "@db-config/*": [
        "src/db/config/*"
      ],
      "@utils/*":[
        "src/utils/*"
      ],
      "@services/*":[
        "src/services/*"
      ],
      "@modules/*":[
        "src/modules/*"
      ]
    }, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */
    // "rootDirs": [],                        /* List of root folders whose combined content represents the structure of the project at runtime. */
    // "typeRoots": [],                       /* List of folders to include type definitions from. */
    // "types": [],                           /* Type declaration files to be included in compilation. */
    // "allowSyntheticDefaultImports": true,  /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */
    "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */
    // "preserveSymlinks": true,              /* Do not resolve the real path of symlinks. */
    /* Source Map Options */
    // "sourceRoot": "",                      /* Specify the location where debugger should locate TypeScript files instead of source locations. */
    // "mapRoot": "",                         /* Specify the location where debugger should locate map files instead of generated locations. */
    // "inlineSourceMap": true,               /* Emit a single file with source maps instead of having a separate file. */
    // "inlineSources": true,                 /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */
    /* Experimental Options */
    "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */
    "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */
  }
}

[kamilmysliwiec]

Change target to es6

[printjs]

@kamilmysliwiec thank you very much.

[lock[bot]]

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