Build app from directory www to platforms/browser/www.

cordova build

Cordova build runs cordova prepare and compile. Cordova hook before_prepare (scripts/before_prepare.js) runs rake webpack:build to create bundle in directory www/js.

Run browser app via cordova from platforms/browser/www.

cordova run browser

Run browser app via webpack-dev-server from platforms/browser/www on http://localhost:8000.

rake webpack:server

Auto reloads page on changes to .rb files in app, lib. Serves from www first, platforms/browser/www second. Changes in www (html, css, js) require manual page reload.

Simple Opal REPL in lib/repl.rb. Require from .rb.

require 'repl'

Run REPL directly.

REPL.run

Open REPL on exception.

REPL.rescue do
  raise 'oops!'
end

Opal wrapper for Vue.js in lib/vue.rb and lib/vue_component.rb.

Configuration file.

webpack.config.js

Opal app entrypoint is app/index.rb. Configures webpack-dev-server to watch .rb files in app/ and lib/ directories.

Loader file.

iqeo_opal_loader.js

Runs rake opal:webpack_build to build .rb files in app/ and lib/ directories.