method

asset_path

v4.2.7 - Show latest stable - Class: ActionView::Helpers::AssetUrlHelper

asset_path(source, options = {})

public

Computes the path to asset in public directory. If :type options is set, a file extension will be appended and scoped to the corresponding public directory.

All other asset *_path helpers delegate through this method.

asset_path "application.js"                     # => /assets/application.js
asset_path "application", type: :javascript     # => /assets/application.js
asset_path "application", type: :stylesheet     # => /assets/application.css
asset_path "http://www.example.com/js/xmlhr.js" # => http://www.example.com/js/xmlhr.js

# File actionview/lib/action_view/helpers/asset_url_helper.rb, line 123
      def asset_path(source, options = {})
        source = source.to_s
        return "" unless source.present?
        return source if source =~ URI_REGEXP

        tail, source = source[/([\?#].+)$/], source.sub(/([\?#].+)$/, '')

        if extname = compute_asset_extname(source, options)
          source = "#{source}#{extname}"
        end

        if source[0] != //
          source = compute_asset_path(source, options)
        end

        relative_url_root = defined?(config.relative_url_root) && config.relative_url_root
        if relative_url_root
          source = File.join(relative_url_root, source) unless source.starts_with?("#{relative_url_root}/")
        end

        if host = compute_asset_host(source, options)
          source = File.join(host, source)
        end

        "#{source}#{tail}"
      end

asset_path

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