```ts
import {initTRPC} from '@trpc/server';
import Joi from 'joi';
import {wrap} from '@typeschema/joi';
const schema = Joi.object({name: Joi.string().required()});
const t = initTRPC.create();
const appRouter = t.router({
hello: t.procedure
.input(wrap(schema))
.query(({input}) => `Hello, ${(input as any).name}!`),
// ^? unknown
});
```
Use it directly or through [`@typeschema/main`](https://github.com/decs/typeschema/tree/main/packages/main)
## Dependencies
- [`joi`](https://www.npmjs.com/package/joi): Required for validation (`^17.13.3`)
- [`joi-to-json`](https://www.npmjs.com/package/joi-to-json): Required for serialization (`^4.3.0`)
## API
### Validation
- `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`
### Serialization
- `toJSONSchema(schema)`: Converts the schema into the equivalent JSON schema
