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Class

FileUpdateChecker specifies the API used by Rails to watch files and control reloading. The API depends on four methods:

  • initialize which expects two parameters and one block as described below.

  • updated? which returns a boolean if there were updates in the filesystem or not.

  • execute which executes the given block on initialization and updates the latest watched files and timestamp.

  • execute_if_updated which just executes the block if it was updated.

After initialization, a call to execute_if_updated must execute the block only if there was really a change in the filesystem.

This class is used by Rails to reload the I18n framework whenever they are changed upon a new request.

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i18n_reloader = ActiveSupport::FileUpdateChecker.new(paths) do
  I18n.reload!
end
 
ActionDispatch::Reloader.to_prepare do
  i18n_reloader.execute_if_updated
end
execute
  • References/Ruby on Rails/Rails/Classes/ActiveSupport/ActiveSupport::FileUpdateChecker

execute() Instance Public methods Executes the given block and updates the latest

2025-01-10 15:47:30
updated?
  • References/Ruby on Rails/Rails/Classes/ActiveSupport/ActiveSupport::FileUpdateChecker

updated?() Instance Public methods Check if any of the entries were updated

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execute_if_updated
  • References/Ruby on Rails/Rails/Classes/ActiveSupport/ActiveSupport::FileUpdateChecker

execute_if_updated() Instance Public methods Execute the block given if updated

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new
  • References/Ruby on Rails/Rails/Classes/ActiveSupport/ActiveSupport::FileUpdateChecker

new(files, dirs={}, &block) Class Public methods It accepts two parameters

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