Class: Middleman::Extensions::CacheBuster

Inherits:
Middleman::Extension show all
Defined in:
middleman-core/lib/middleman-core/extensions/cache_buster.rb

Overview

The Cache Buster extension

Constant Summary

Constants included from Contracts

Contracts::ImmutableSetOf, Contracts::ImmutableSortedSetOf, Contracts::OldResourceList, Contracts::PATH_MATCHER, Contracts::ResourceList, Contracts::VectorOf

Instance Attribute Summary

Attributes inherited from Middleman::Extension

#app, #options

Instance Method Summary collapse

Methods inherited from Middleman::Extension

activated_extension, #add_exposed_to_context, #after_build, #after_configuration, 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, options_hash = ::Middleman::EMPTY_HASH, &block) ⇒ CacheBuster

Returns a new instance of CacheBuster


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# File 'middleman-core/lib/middleman-core/extensions/cache_buster.rb', line 8

def initialize(app, options_hash = ::Middleman::EMPTY_HASH, &block)
  super

  require 'set'
  @set_of_exts = Set.new(options.exts || app.config[:asset_extensions])
  @set_of_sources = Set.new options.sources
end

Instance Method Details

#manipulate_resource_list_container!(resource_list) ⇒ Object


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# File 'middleman-core/lib/middleman-core/extensions/cache_buster.rb', line 17

def manipulate_resource_list_container!(resource_list)
  resource_list.by_extensions(@set_of_sources).each do |r|
    next if Array(options.rewrite_ignore || []).any? do |i|
      ::Middleman::Util.path_match(i, "/#{r.destination_path}")
    end

    r.add_filter ::Middleman::InlineURLRewriter.new(:cache_buster,
                                                    app,
                                                    r,
                                                    url_extensions: @set_of_exts,
                                                    ignore: options.ignore,
                                                    proc: method(:rewrite_url))
  end
end

#rewrite_url(asset_path, _dirpath, _request_path) ⇒ Object


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# File 'middleman-core/lib/middleman-core/extensions/cache_buster.rb', line 33

def rewrite_url(asset_path, _dirpath, _request_path)
  asset_path + '?' + Time.now.strftime('%s')
end