jQuery UI: "base is not a constructor"

Question

I've installed jQuery and jQuery UI with npm. Upon attempting to require('jquery-ui/ui/widgets/selectable') in one of my own JS modules, I get the following error message:

TypeError: base is not a constructor (widget.js:108)

What am I missing?

Also had this problem with jQRangeSlider 5.5.0. Your solution works :) — A1rPun
– A1rPun, Commented Jan 31, 2019 at 22:42

zepp133 · Accepted Answer · 2018-07-18 15:35:36Z

7

To solve the issue, I also had to require('jquery-ui/ui/widgets/mouse') which is a dependency for selectable but not loaded automatically when requiring the latter.

answered Jul 18, 2018 at 15:35

zepp133

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2 Comments

Alexander Gorg Over a year ago

And the same thing with yarn!

dkniffin Jun 27 at 18:16

I just ran into this and needed import "jquery-ui/ui/widget" and import "jquery-ui/ui/widgets/mouse" before import "jquery-ui"

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