在angular2（typescript）中遵循模型的最佳实践

Question

I am working angualar2 application. In my app I am started creating class for the model instead of interface which has the properties and function which I need on component here is my sample class for user

class User {
    private name: string;
    private lastName: string;
    constructor(name?: string, lastName?: string) {
        this.name = name || '';
        this.lastName = lastName || '';
    }
    validate() {
        if (!this.name.length) {
            throw 'Please enter name';
        }
        if (!this.lastName.length) {
            throw 'Please enter last name';
        }
    }
};

In given sample class has two property and on the function (it may contains other function like addTiming, calSalary and many other that we need on user) to validate user itself in a model the component I don't need to write code to validate user field and I can use that call everywhere in my app.

But I am not sure is that good practice to have the model like this.

Answer 1

If form validation is not what you are looking for then try TypeScript decorators - you can make generic validators to use everywhere across your application, supporting DRY this way. Here is some nice examples: https://github.com/pleerock/class-validator