TypeError: Cannot read property 'then' of undefined.
In this guide, we will cover two code examples containing a bugs that cause this TypeError and then refactor the code to resolve the issue.
Liquid is a template language created by Shopify. It's available as an open source project on GitHub, and is used by many different software projects and companies.
This reference documents the Liquid tags, filters, and objects that you can use to build Shopify Themes.
Avo abstracts away the common parts of building apps, letting your engineers work on your app's essential components. The result is a full-featured Rails admin panel that works out of the box, ready to give to your end-users.