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Hanami development web console.


This branch contains the code for hanami-webconsole 2.x.


Gem Version CI Test Coverage Depfu Inline Docs


Add this line to your Hanami project's Gemfile:

group :development do
  gem "hanami-webconsole"

And then execute:

$ bundle install

NOTE: You need a version of hanami 1.2.0+.


When an exception is raised during your local development in-browser, you'll see the web console.

Code reloading

This gem in incompatible with hanami code reloading.

In order to use this gem, you have two alternatives:

  1. Start the server without code reloading: bundle exec hanami server --no-code-reloading
  2. Use hanami-reloader gem and start the server as usual: bundle exec hanami server


After checking out the repo, run bin/setup to install dependencies. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to

To run all the test, use script/ci.


Bug reports and pull requests are welcome on GitHub at


This gem is based on the great work of better_errors and binding_of_caller gems. Thank you!


Copyright © 2014 Hanami Team – Released under MIT License