type-graphql 找不到模块 'class-validator' 异常
type-graphql Cannot find module 'class-validator' exception
我正在尝试通过 TypeORM 并使用 SQL 服务器作为数据库来创建 GQL 变更。如果我尝试 运行 突变,它会抛出异常。分享下面的代码;
index.ts
(async () => {
const app = express();
await createConnection();
const apolloServer = new ApolloServer({
schema: await buildSchema({
resolvers: [UserRegistrationResolver, HealthResolver],
}),
tracing: true,
context: ({ req, res }) => ({ req, res })
});
apolloServer.applyMiddleware({ app, cors: false });
app.listen(4000, () => {
console.log("App is started");
})
})();
GQL 类型:
@InputType()
export class UserRegistrationType {
/*......*/
@Field()
Reg_Security_Qus_Ans: string;
/*......*/
}
实体:
@ObjectType()
@Entity()
export class User_Registration extends BaseEntity {
/*......*/
@Field(() => Int)
@OneToOne(()=> Security_Questions)
@JoinColumn()
Reg_Security_Qus_ID: Security_Questions;
/*......*/
}
突变:
@Resolver()
export class UserRegistrationResolver {
@Mutation(() => User_Registration)
async createRegistrations(
@Arg("RegistrationMutation") registrationMutation: UserRegistrationType
) {
console.log("Boom1");
let oneUser = await User_Registration.insert(registrationMutation);
return oneUser;
}
@Query(() => User_Registration)
getUsers() {
console.log("Boom");
return User_Registration.find();
}
}
当我尝试执行突变时,出现了一些奇怪的错误,如下所示,要求我输入 'class-validator',错误看起来像这样,
"message": "Cannot find module 'class-validator'\nRequire stack:\n-
谁能帮我解决这个问题。我坚持这个。提前致谢。
我傻了,我只好安装
npm i class-validator
这个包裹。就这些
安装 class-validator
或使用 buildSchema
的 validate: false
选项。
我正在尝试通过 TypeORM 并使用 SQL 服务器作为数据库来创建 GQL 变更。如果我尝试 运行 突变,它会抛出异常。分享下面的代码;
index.ts
(async () => {
const app = express();
await createConnection();
const apolloServer = new ApolloServer({
schema: await buildSchema({
resolvers: [UserRegistrationResolver, HealthResolver],
}),
tracing: true,
context: ({ req, res }) => ({ req, res })
});
apolloServer.applyMiddleware({ app, cors: false });
app.listen(4000, () => {
console.log("App is started");
})
})();
GQL 类型:
@InputType()
export class UserRegistrationType {
/*......*/
@Field()
Reg_Security_Qus_Ans: string;
/*......*/
}
实体:
@ObjectType()
@Entity()
export class User_Registration extends BaseEntity {
/*......*/
@Field(() => Int)
@OneToOne(()=> Security_Questions)
@JoinColumn()
Reg_Security_Qus_ID: Security_Questions;
/*......*/
}
突变:
@Resolver()
export class UserRegistrationResolver {
@Mutation(() => User_Registration)
async createRegistrations(
@Arg("RegistrationMutation") registrationMutation: UserRegistrationType
) {
console.log("Boom1");
let oneUser = await User_Registration.insert(registrationMutation);
return oneUser;
}
@Query(() => User_Registration)
getUsers() {
console.log("Boom");
return User_Registration.find();
}
}
当我尝试执行突变时,出现了一些奇怪的错误,如下所示,要求我输入 'class-validator',错误看起来像这样,
"message": "Cannot find module 'class-validator'\nRequire stack:\n-
谁能帮我解决这个问题。我坚持这个。提前致谢。
我傻了,我只好安装
npm i class-validator
这个包裹。就这些
安装 class-validator
或使用 buildSchema
的 validate: false
选项。