Class-validator-message-formatter

If you failed validation using class-validator, you'll be received messages.
But it is very difficult to read. This library modifies the message to make it easier to handle.

$3

``sh
$ npm install --save class-validator-message-formatter
`

$3

`ts
class User {
@IsString()
name: string;

@IsString()
address: string;

constructor(name: string, address: string) {
this.name = name;
this.address = address;
}
}

`

Without class-validator-message-formatter

`ts
import { validateSync } from 'class-validator';

const user:User = new User();
const errors = validateSync(user);
console.log(errors);

`
`sh
[ ValidationError {
target: User { name: null, address: null },
value: null,
property: 'name',
children: [],
constraints: { isString: 'name must be a string' } },
ValidationError {
target: User { name: null, address: null },
value: null,
property: 'address',
children: [],
constraints: { isString: 'address must be a string' } } ]
`

with class-validator-message-formatter
`ts
import {MessageFormatter} from 'class-validator-message-formatter';
import { validateSync } from 'class-validator';

const user:User = new User();
const errors = validateSync(user);
console.log(MessageFormatter.format(errors));

`

`sh
[ { field: 'name', message: 'name must be a string' },
{ field: 'address', message: 'address must be a string' } ]
``