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Spike is a data casting and validation library that can make building complex and long-living server-memory backed forms in Elixir easier.

If you are struggling with making deep nested Ecto changesets back your forms the way you like it, you may have ended up in a right place.

installation

Installation

Available in Hex, the package can be installed by adding spike to your list of dependencies in mix.exs:

def deps do
  [
    {:spike, "~> 0.1.0"}
  ]
end

Documentation can be found on HexDocs.

usage

Usage

Spike can be used on it's own, or with Phoenix LiveView / Surface UI.

Basic usage consists on creating an Elixir module, which represents your form and stores both: data, that the user can manipulate using UI controls (via LiveView or otherwise), and data that is necessary for the form to be rendered and displayed to user.

Spike's LiveView bindings or Surface UI bindings can be used together with this core library to extend live views or components with out-of-the box support for @form_data and @errors, as well as default implementation of events handling, to build

See our tutorial for a complete walkthrough of adding and using Spike, including more advanced features.