Advanced Techniques for Nested Forms in Phoenix LiveView

The article explores creating nested forms in Phoenix LiveView and how to handle complex input scenarios with associated records, particularly when working with recipes that include ingredients and instructions. It details how to utilize the <.inputs_for> function and Ecto functions like cast_assoc for managing nested inputs. The piece emphasizes improvements for rendering additional information, such as counting ingredients without relying solely on the form state. It further introduces manipulating the layout of the 'add more' button and implementing custom events using '_target' to achieve specific functionalities like clearing all ingredients. The insights provided in the article are intended to overcome common challenges developers face with nested forms in LiveView applications.