[英]Nest can't resolve dependencies of the UserService
我有这个错误
Nest can't resolve dependencies of the UserService (?, SettingsService). Please make sure that the argument UserModel at index [0] is available in the AuthModule context.
Potential solutions:
- If UserModel is a provider, is it part of the current AuthModule?
- If UserModel is exported from a separate @Module, is that module imported within AuthModule?
@Module({
imports: [ /* the Module containing UserModel */ ]
})
auth.module.ts
@Module({
imports: [
PassportModule.register({ defaultStrategy: 'jwt' }),
JwtModule.register({
secretOrPrivateKey: config.auth.secret,
signOptions: {
expiresIn: config.auth.expiresIn,
},
}),
UserModule,
SettingsModule,
],
controllers: [AuthController],
providers: [
AuthService,
JwtStrategy,
LocalStrategy,
UserService,
SettingsService,
Logger,
... other services,
],
exports: [PassportModule, AuthService],
})
export class AuthModule {}
用户模块.ts
@Module({
imports: [
MongooseModule.forFeature([{ name: 'User', schema: UserSchema }]),
SettingsModule,
],
controllers: [UserController],
providers: [UserService],
exports: [UserService],
})
export class UserModule {}
app.module.ts
@Module({
imports: [
AuthModule,
UserModule,
SettingsModule,
MongooseModule.forRoot(config.db.url),
WinstonModule.forRoot({
level: config.logger.debug.level,
}),
],
controllers: [AppController],
providers: [AppService],
})
export class AppModule {}
用户服务.ts
@Injectable()
export class UserService {
constructor(@InjectModel('User') private readonly userModel: Model<User>,
private readonly settingsService: SettingsService) {}
public async create(user: any): Promise<UserDto> {
...
}
我尝试了一切,但找不到问题,一切似乎都是正确的,我什至检查了每个谷歌页面结果试图找到它,但我被卡住了。 该错误告诉我需要将 UserModel 导入 AuthModule,但它已经存在,我试图删除每个用户 model 或 AuthModule 并将它们混合到所有内容中,但它仍然不起作用,我知道我必须将 UserService 导出到 AuthModule ,但找不到正确的方法。
您在AuthModule
中提供UserService
。 但是,它应该只在您的UserModule
中。 在AuthModule
中, UserModel
是未知的。
仔细检查您的模块导入:
@Module({
imports: [
MongooseModule.forFeature([
{ name: 'User', schema: UserSchema }
]),
...
],
...
})
export class XModule {}
并寻找愚蠢的错误,因为即使您传递模式和模式名称而不是彼此,也不会出现类型错误! 一般的Nest can't resolve dependencies
将是您在这里可能出现的许多错误所获得的全部......
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