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Add Rails 4.x reloading instructions #658

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24 changes: 24 additions & 0 deletions README.md
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Expand Up @@ -1716,6 +1716,30 @@ end

## Reloading API Changes in Development

### Rails 4.x

Add API paths to `config/application.rb`.

```ruby
# Auto-load API and its subdirectories
config.paths.add File.join("app", "api"), glob: File.join("**", "*.rb")
config.autoload_paths += Dir[Rails.root.join("app", "api", "*")]
```

Create `config/initializers/reload_api.rb`.

```ruby
if Rails.env.development?
api_files = Dir[Rails.root.join('app', 'api', '**', '*.rb')]
api_reloader = ActiveSupport::FileUpdateChecker.new(api_files) do
Rails.application.reload_routes!
end
ActionDispatch::Callbacks.to_prepare do
api_reloader.execute_if_updated
end
end
```

### Rails 3.x

Add API paths to `config/application.rb`.
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