Add Faye Client to your Ionic 2 application using the 'import' statement

Question

Add Faye Client to your Ionic 2 application using the 'import' statement

I'm interested in integrating Faye into an Ionic 2 project, but I'm struggling to figure out the correct way to add it. The official documentation at suggests using the 'require' syntax like this:

var faye = require('faye');

If I were serving the JavaScript from my web server, I could simply include a script tag pointing to the client.js file like so:

<script src='http://localhost:8000/faye/client.js'></script>

However, when attempting this approach in an Ionic 2 project, I encountered an issue with the importing process:

import { Faye } from 'faye';
//...
constructor(public navCtrl: NavController, platform: Platform, matchService: MatchService, faye : Faye) { //...

This code snippet results in the following error:

TypeScript error: Cannot find name 'Faye'

My question is, how can I properly use the 'import' statement to make the Faye Browser Client work within this Ionic 2 project?

angular typescript npm ionic2 faye

Answer 1

Answer №1

Looking at the faye exports on its GitHub source page:

  var Faye = {
    VERSION:      constants.VERSION,
    Client:       require('./protocol/client'),
    Scheduler:    require('./protocol/scheduler'),
    NodeAdapter:  require('./adapters/node_adapter')
  };

  Logging.wrapper = Faye;
  module.exports = Faye;

As a result, you have the option to:

import { VERSION, Client, Scheduler, NodeAdapter } from 'faye'

Alternatively, if you prefer accessing Client using Faye.Client:

import * as Faye from 'faye'

Answer 2

Looking at the faye exports on its GitHub source page:

  var Faye = {
    VERSION:      constants.VERSION,
    Client:       require('./protocol/client'),
    Scheduler:    require('./protocol/scheduler'),
    NodeAdapter:  require('./adapters/node_adapter')
  };

  Logging.wrapper = Faye;
  module.exports = Faye;

As a result, you have the option to:

import { VERSION, Client, Scheduler, NodeAdapter } from 'faye'

Alternatively, if you prefer accessing Client using Faye.Client:

import * as Faye from 'faye'

Answer 3

Answer №2

Typically, when searching for type declarations in npm @types, the usual process involves installing packages with npm install @types/package_name. However, it appears that the faye package is not included in this setup.

As per the documentation provided by IONIC here

it is necessary to add the declaration in the declarations.d.ts file when incorporating a pure JavaScript module into Ionic 2.

Answer 4

Typically, when searching for type declarations in npm @types, the usual process involves installing packages with npm install @types/package_name. However, it appears that the faye package is not included in this setup.

As per the documentation provided by IONIC here

it is necessary to add the declaration in the declarations.d.ts file when incorporating a pure JavaScript module into Ionic 2.

Add Faye Client to your Ionic 2 application using the 'import' statement

Answer №1

Answer №2

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