Fluent Validator Typescript

Fluent Validator Typescript is a port from https://github.com/andrebaltieri/FluentValidatorwhich is an implementation of design by contracts in C#.

Instalation and usage

Instalation

npm i fluent-validator-typescript --save

Basic usage

export class Product extends Notifiable {    
    public name: string;
    
    constructor(name: string) {
        super();

        const contract = new ValidationContract()
            .stringIsNotNullOrEmpty(name, "name", "invalid name!")
            .hasMinLen(name, 5, "string", "name len is less than permited");
        
        this.addNotifications(contract.notifications);
    }
}

const product =  Product("product");
if(product.valid) {
    console.log("do some thing");
}

Props and Methods

Method/Prop	Desc	Test	Status
stringIsNotNullOrEmpty (val: string, property: string, message: string)	check if value is not null or empty	OK	Ready
stringIsNullOrEmpty (val: string, property: string, message: string)	check if value is null or empty	OK	Ready
hasMinLen (val: string, min: number, property: string, message: string)	check min value	OK	Ready
hasMaxLen (val: string, max: number, property: string, message: string)	check max value	OK	Ready
hasLen (val: string, len: number, property: string, message: string)	check fixed length of value	OK	Ready
stringContains (val: string, text: string, property: string, message: string)	check if string contains the text	OK	Ready
stringAreEquals (val: string, text: string, property: string, message: string)	validate if strings are equals	OK	Ready
stringAreNotEquals (val: string, text: string, property: string, message: string)	check if text isn't the same as the other	OK	Ready
isEmail (email: string, property: string, message: string)	validate if email is valid	OK	Ready
isUrl (url: string, property: string, message: string)	validate if url is valid	OK	Ready
match (value: string, regex: RegExp, property: string, message: string)	validate if regex is match	OK	Ready
isGreaterThan (val: number, comparer: number, property: string, message: string)	validate if number is greater than another	OK	Ready
isGreaterOrEqualsThan (val: number, comparer: number, property: string, message: string)	validate if number is greater than another or equals	OK	Ready
isLowerThan (val: number, comparer: number, property: string, message: string)	validate if number is lower than another	OK	Ready
isLowerOrEqualsThan (val: number, comparer: number, property: string, message: string)	validate if number is lower than another or equals	OK	Ready
numberAreEquals (val: number, comparer: number, property: string, message: string)	validate if number are equals as another	OK	Ready
numberAreNotEquals (val: number, comparer: number, property: string, message: string)	validate if numbers are equals	OK	Ready
isBetween (val: number, comparer: number, property: string, message: string)	validate if number is between	OK	Ready
valid : boolean	status of the contact to know if it's valid	OK	Ready
invalid : boolean	status of the contact to know if it's invalid	OK	Ready
guidIsNotNullOrEmpty (val: Guid, property: string, message: string)	validate if guid code is not null or empty	OK	Ready
guidIsNullOrEmpty (val: Guid, property: string, message: string)	validate if guid code is null or empty	OK	Ready
guidIsNotEmpty (val: Guid, property: string, message: string)	validate if guid code is not empty	OK	Ready
guidIsEmpty (val: Guid, property: string, message: string)	validate if guid code is empty	OK	Ready
guidAreEquals (val: Guid, comparer: Guid, property: string, message: string)	validate if guids codes are equals	OK	Ready
objectIsNotNull (val: any, property: string, message: string): IValidatable	validate if object is not null	OK	Ready
objectIsNull (val: any, property: string, message: string): IValidatable	validate if object is null	OK	Ready
objectAreEquals (val: any, comparer: any, property: string, message: string)	validate if object are equals	OK	Ready
objectAreNotEquals (val: any, comparer: any, property: string, message: string)	validate if object are not equals	OK	Ready
isTrue (val: boolean, property: string, message: string): IValidatable	validate if is true value	OK	Ready
isFalse (val: boolean, property: string, message: string): IValidatable	validate if is false value	OK	Ready
dateIsGreaterThan (val: Date, comparer: Date, property: string, message: string): IValidatable	validate if date is greater than	OK	Ready
dateIsGreaterOrEqualsThan (val: Date, comparer: Date, property: string, message: string): IValidatable	validate if date is greater or equals than	OK	Ready
dateIsLowerThan (val: Date, comparer: Date, property: string, message: string): IValidatable	validate if date is lower than	OK	Ready
dateIsLowerOrEqualsThan (val: Date, comparer: Date, property: string, message: string): IValidatable	validate if date is lower or equals than	OK	Ready
dateIsBetween (val: Date, from: Date, to: Date, property: string, message: string): IValidatable	validate if date is between	OK	Ready
creditCardDateIsValid (val: string, property: string, message: string): IValidatable	validate if date is valid	OK	Ready
creditCardDateIsGreaterThanToday (val: string, property: string, message: string): IValidatable	validate if date is expired	OK	Ready
creditCardDateIsValid (val: string, property: string, message: string): IValidatable	validate if number is valid	OK	Ready