Decorators:

| Decorators | Required params | Descriptions | |:--- | :--- | :--- | | @Custom | validate: (object: any, field: string) => boolean | You can make your own validator. | | @Equals | comparison: any| The value must pass strict comparison '===': value === comparison | | @IsDefined | - | The value must be different of null and undefined: !isNullOrUndefined( value ) | | @IsEmpty | - | The value must be empty: (value === '' // value === null // value === undefined) | | @IsIn | values: any[]| The value must be included in allowed values: values.includes( value ) | | @IsNotEmpty | - | The value can't be empty: (value !== '' && value !== null && value !== undefined) | | @IsNotIn | values: any[]|The value can't be included in disallowed values: !values.includes( value ) | | @IsOptional | - | If the value is null or undefined, none other decorator will be evaluated: isNullOrUndefined( value ) | | @NotEquals | comparison: any|The value must pass strict comparison '!==': value !== comparison | |||| || Number session || |||| | @IsInt | - | The value must be a valid integer | | @IsNumber | - | The value must be a valid number | | @IsNegative | - | The value must be a negative number | | @IsPositive | - | The value must be a positive number | | @Max | max: number | The maximum value allowed is: {max} | | @Min | min: number | The minimum value allowed is: {min} | |||| || Type session || |||| | @IsBoolean | - | The value must be equal to true or false | | @IsDate | - | The value must be a valid date | |||| || String session || |||| | @IsEmail | - | The value must be a valid email | | @HasALowercaseLetter | - | The value must have must have at least one lowercase letter | | @HasANumber | - | The value must have must have at least one numeric character | | @HasAUppercaseLetter | - | The value must have must have at least one uppercase letter | | @IsAlpha | - | The value must have only alphabetic characters | | @IsAlphanumeric | - | The value must have only alphanumeric characters | | @IsNumeric | - | The value must have only numeric characters | | @isValidPassword | - | The value must have must pass the fallowing checks: 1: At least one lowercase character. 2: At least one uppercase character. 3: At least one numeric value. | | @MaxLength | max: number | The value must have must have a maximum of {min} characters | | @MinLength | min: number | The value must have must have at least {min} characters |