How do I import immutable js into angular 2 (alpha)?

Question

I've tried:

import {Component, Template, bootstrap} from 'angular2/angular2';
import {Immutable} from 'immutable/immutable';

@Component({
  selector: 'my-app'
})
@Template({
  inline: '<h1>Hello {{ name }}</h1>'
})

class MyAppComponent {
  constructor() {
    this.name = 'Alice';
    this.wishes = Immutable.List(['a dog', 'a balloon', 'and so much more']);
    console.log(this.wishes);
  }
}

bootstrap(MyAppComponent);

But then Immutable ends up being undefined. Then I tried:

import {Component, Template, bootstrap} from 'angular2/angular2';
import {Immutable} from 'immutable/immutable';

@Component({
  selector: 'my-app'
})
@Template({
  inline: '<h1>Hello {{ name }}</h1>'
})

class MyAppComponent {
  constructor(im: Immutable) {
    this.name = 'Alice';
    this.wishes = im.List(['a dog', 'a balloon', 'and so much more']);
    console.log(this.wishes);
  }
}

But then I get Cannot resolve all parameters for MyAppComponent. Can anybody help me with this? And yes I've added the immutable folder to System.paths. Could it be that Immutable just can't be imported in an ES6 kind of way?

How do you tell Angular that your data is immutable?

nilskp
– nilskp

2015-05-08 19:27:35 +00:00
Commented May 8, 2015 at 19:27 — nilskp
– nilskp, Commented May 8, 2015 at 19:27

nircraft · Accepted Answer · 2019-10-02 14:12:06Z

5

It was a small mistake. I had to change

import {Immutable} from 'immutable/immutable';

to

import Immutable from 'immutable/immutable';

edited Oct 2, 2019 at 14:12

nircraft

8,5085 gold badges33 silver badges46 bronze badges

answered Apr 9, 2015 at 0:39

Evert

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1 Comment

TylerDurden Over a year ago

If you use JSPM as package manager you need to import * as Immutable from 'immutable'

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