@typeschema/class-validator

Reusable adapter for class-validator classes


https://typeschema.com ✨

``ts
import {initTRPC} from '@trpc/server';
import {IsNotEmpty} from 'class-validator';

import {wrap} from '@typeschema/class-validator';

class Schema {
@IsNotEmpty()
name!: string;
}
const schema = Schema;

const t = initTRPC.create();
const appRouter = t.router({
hello: t.procedure
.input(wrap(schema))
.query(({input}) => Hello, ${input.name}!),
// ^? {name: string}
});

`

Use it directly or through @typeschema/main

Dependencies


- class-validator: Required for inference and validation (^0.14.1)

API

$3

- Infer: Extracts the output type of a schema
- InferIn: Extracts the input type of a schema

$3

- wrap(schema): Returns the wrapped schema with access to its operations
- validate(schema, data): Returns the validated data or a list of validation issues
- assert(schema, data): Returns the validated data or throws an AggregateError`