node -v): 6.9.4 npm -v): 4.2.0I add the module of 'modal' to the bootstrap in my 'bootstrap-sass'. But there is always a error that is '$().modal is not a function' in my console.

mix.js(['resources/assets/js/app/app.js',
'resources/vendor/layer/layer.js',
'resources/assets/js/app/main.js'
], 'public/js/app.js')
.extract(['jquery', 'bootstrap-sass', 'bootstrap-datepicker', 'admin-lte', 'lodash', 'vue']);
# in my php file

# *in my console*

Thanks for your help!
Hi,
did you ever find solution for this? I'm facing a similiar issue :)
Dirty hack:
In your app.js
window.$ = jQuery; // jQuery - global variable inside your js application.
@Glorian Man you saved my life. Really.
Hi. also:
import $ from 'jquery';
Most helpful comment
Dirty hack:
In your app.js