Class: Middleman::CoreExtensions::Data

Inherits:
Extension
  • Object
show all
Defined in:
lib/middleman-core/core_extensions/data.rb

Overview

The data extension parses YAML and JSON files in the data/ directory and makes them available to config.rb, templates and extensions

Defined Under Namespace

Classes: DataStore

Constant Summary collapse

DATA_FILE_MATCHER =

The regex which tells Middleman which files are for data

/^(.*?)[\w-]+\.(yml|yaml|json|toml)$/

Constants included from Contracts

Contracts::PATH_MATCHER

Instance Attribute Summary collapse

Attributes inherited from Extension

#app, #options

Instance Method Summary collapse

Methods inherited from Extension

activated_extension, #add_exposed_to_context, #after_build, after_extension_activated, #after_extension_activated, #before_build, #before_configuration, clear_after_extension_callbacks, config, define_setting, expose_to_application, expose_to_config, expose_to_template, global_config, helpers, #manipulate_resource_list, option, #ready, resources

Methods included from Contracts

#Contract

Constructor Details

#initialize(app, config = {}, &block) ⇒ Data

Returns a new instance of Data.



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# File 'lib/middleman-core/core_extensions/data.rb', line 22

def initialize(app, config={}, &block)
  super

  @data_store = DataStore.new(app, DATA_FILE_MATCHER)

  start_watching(app.config[:data_dir])
end

Instance Attribute Details

#data_store ⇒ Object (readonly)

Returns the value of attribute data_store.



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# File 'lib/middleman-core/core_extensions/data.rb', line 9

def data_store
  @data_store
end

Instance Method Details

#after_configuration ⇒ Object 



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# File 'lib/middleman-core/core_extensions/data.rb', line 43

def after_configuration
  return unless @original_data_dir != app.config[:data_dir]

  @watcher.update_path(app.config[:data_dir])
end

#start_watching(dir) ⇒ Object 



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# File 'lib/middleman-core/core_extensions/data.rb', line 30

def start_watching(dir)
  @original_data_dir = dir

  # Tell the file watcher to observe the :data_dir
  @watcher = app.files.watch :data,
                             path: File.join(app.root, dir),
                             only: DATA_FILE_MATCHER

  # Setup data files before anything else so they are available when
  # parsing config.rb
  app.files.on_change(:data, &@data_store.method(:update_files))
end