Class: Middleman::Extensions::RelativeAssets

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

Overview

Relative Assets extension

Constant Summary

Constants included from Contracts

Contracts::PATH_MATCHER

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) ⇒ RelativeAssets

Returns a new instance of RelativeAssets.


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# File 'middleman-core/lib/middleman-core/extensions/relative_assets.rb', line 11

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/relative_assets.rb', line 20

def manipulate_resource_list_container!(resource_list)
  return if options.helpers_only

  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(:relative_assets,
                                                    app,
                                                    r,
                                                    url_extensions: @set_of_exts,
                                                    ignore: options.ignore,
                                                    proc: method(:rewrite_url))
  end
end

#mark_as_relative(file_path, opts, current_resource) ⇒ Object 


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# File 'middleman-core/lib/middleman-core/extensions/relative_assets.rb', line 37

def mark_as_relative(file_path, opts, current_resource)
  result = opts.dup

  valid_exts = options.sources

  return result unless current_resource
  return result unless valid_exts.include?(current_resource.ext)

  rewrite_ignores = Array(options.rewrite_ignore || [])

  path = current_resource.destination_path
  return result if rewrite_ignores.any? do |i|
    ::Middleman::Util.path_match(i, path) || ::Middleman::Util.path_match(i, "/#{path}")
  end

  return result if Array(options.ignore || []).any? do |r|
    ::Middleman::Util.should_ignore?(r, file_path)
  end

  result[:relative] = true unless result.key?(:relative)

  result
end

#rewrite_url(asset_path, dirpath, request_path) ⇒ Object 


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# File 'middleman-core/lib/middleman-core/extensions/relative_assets.rb', line 72

def rewrite_url(asset_path, dirpath, request_path)
  uri = ::Middleman::Util.parse_uri(asset_path)

  return if uri.path[0..0] != '/'

  relative_path = uri.host.nil?

  full_asset_path = if relative_path
                      dirpath.join(asset_path).to_s
                    else
                      asset_path
                    end

  current_dir = Pathname(request_path).dirname

  Pathname(full_asset_path).relative_path_from(current_dir).to_s
end