Is there an easy gem or workflow to manage form fields for `has_many`?

• Cocoon

  7 3,078 0.0 Ruby

  Dynamic nested forms using jQuery made easy; works with formtastic, simple_form or default forms

On a previous project I used Cocoon which makes it simple to add a button that adds an additional set of fields for a nested object.

• nested_form

  1 1,803 10.0 Ruby

  Discontinued Rails plugin to conveniently handle multiple models in a single form.

Anyway, there's also https://github.com/ryanb/nested_form it's no longer developed and uses jquery, but works on rails up to 6.1 (haven't tested it on 7)

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• vanilla-nested

  3 165 3.9 Ruby

  Rails dynamic nested forms using vanilla JS

• abyme

  1 90 1.4 Ruby

  abyme is a modern take on handling dynamic nested forms in Rails 6+ using StimulusJS.

  

I wrote a gem for precisely this purpose :) Super easy setup, and cool generators. Have a look at the docs https://github.com/eki-177/abyme

• nested_form_fields

  1 308 0.0 Ruby

  Dynamically add and remove nested has_many association fields in a Ruby on Rails form

We are using simple forms in a turbo application. We are making use of stimuli-rails-nested-form controller (https://www.stimulus-components.com/docs/stimulus-rails-nested-form/) and a little helper taken from https://github.com/ncri/nested_form_fields & adapted to our use case:

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