Question

38

How to map JSON data to a class

rated 0 times [ 40] [ 2] / answers: 1 / hits: 20689 / 9 Years ago, wed, may 20, 2015, 12:00:00

I created a ES6 class by Babel and I want to map JSON data which is gotten from a server to the ES6 class.

Is there anything common way to do that?

User.js

export default class User {

  constructor() {

    this.firstName;

    this.lastName;

    this.sex;

  }

}

app.js

import User from ./classes/User;



var data = JSON.parse(req.responseText);

console.log(data.firstname); //Bob

//now...just set data one by one?

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donaldcristianl

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1 Year ago

answered 9 Years ago brendan · Accepted Answer

I would merge the JSON object into this using Object.assign, as follows:

class User {

  firstName;

  lastName;

  sex;



  constructor(data) {

    Object.assign(this, data);

//  ^^^^^^^^^^^^^^^^^^^^^^^^^^

  }

}



var data = JSON.parse(req.responseText);

new User(data);