Webpack Encore & jQuery plugin : $(…).isotope is not a function

Question

I'm working on a Symfony5 project, with Yarn & jQuery. I have an error when I try to use the jQuery plugin " isotope-layout " with Webpack Encore.

I try to fix it for many hours but I might not be doing it the right way.

Here is my code :

webpack.config.js

// Same error with or without "autoProvidejQuery"
Encore.autoProvidejQuery();

app.js

import 'jquery';
import 'popper.js';
import 'bootstrap';
import 'isotope-layout';

// start the Stimulus application
import './bootstrap';

custom.js

import jQuery from 'jquery';
import 'isotope-layout';

(function ($) {

    // Here is the error :
    $(...).isotope({...});

})(jQuery);

Error :

Uncaught TypeError: $(...).isotope is not a function

Answer 1

You don't have to use jQuery when using Isotope. You can use this example from their Webpack documentation :

var Isotope = require('isotope-layout');

var iso = new Isotope( '.grid', {
  // options...
});

There is also an example if you want to use jQuery. To install it:

npm install jquery
npm install jquery-bridget

And than:

var $ = require('jquery');
var jQueryBridget = require('jquery-bridget');
var Isotope = require('isotope-layout');
// make Isotope a jQuery plugin
jQueryBridget( 'isotope', Isotope, $ );
// now you can use $().isotope()
$('.grid').isotope({
  // options...
});

If you're using modern Javascript (and you're using Webpack, great!), you might not need jQuery in many cases.