class-validator example

Post.ts

import {validate, Contains, IsInt, Length, IsEmail, IsFQDN, IsDate, Min, Max} from "class-validator";
 
export class Post {
 
    @Length(10, 20)
    title: string;
 
    @Contains("hello")
    text: string;
 
    @IsInt()
    @Min(0)
    @Max(10)
    rating: number;
 
    @IsEmail()
    email: string;
 
    @IsFQDN()
    site: string;
 
    @IsDate()
    createDate: Date;
 
}