81 lines
2.5 KiB
Ruby
81 lines
2.5 KiB
Ruby
require 'addressable/uri'
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# Relative Assets extension
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class Middleman::Extensions::RelativeAssets < ::Middleman::Extension
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option :exts, nil, 'List of extensions that get converted to relative paths.'
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option :sources, %w(.css .htm .html .xhtml), 'List of extensions that are searched for relative assets.'
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option :ignore, [], 'Regexes of filenames to skip converting to relative paths.'
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option :rewrite_ignore, [], 'Regexes of filenames to skip processing for path rewrites.'
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option :helpers_only, false, 'Allow only Ruby helpers to change paths.'
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def initialize(app, options_hash={}, &block)
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super
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if options[:helpers_only]
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return
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end
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app.rewrite_inline_urls id: :relative_assets,
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url_extensions: options.exts || app.config[:asset_extensions],
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source_extensions: options.sources,
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ignore: options.ignore,
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rewrite_ignore: options.rewrite_ignore,
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proc: method(:rewrite_url)
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end
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def mark_as_relative(file_path, opts, current_resource)
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result = opts.dup
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valid_exts = options.sources
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return result unless current_resource
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return result unless valid_exts.include?(current_resource.ext)
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rewrite_ignores = Array(options.rewrite_ignore || [])
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path = current_resource.destination_path
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return result if rewrite_ignores.any? do |i|
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::Middleman::Util.path_match(i, path) || ::Middleman::Util.path_match(i, "/#{path}")
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end
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return result if Array(options.ignore || []).any? do |r|
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::Middleman::Util.should_ignore?(r, file_path)
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end
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result[:relative] = true unless result.key?(:relative)
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result
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end
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helpers do
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def asset_url(path, prefix='', options={})
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super(path, prefix, app.extensions[:relative_assets].mark_as_relative(super, options, current_resource))
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end
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def asset_path(kind, source, options={})
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super(kind, source, app.extensions[:relative_assets].mark_as_relative(super, options, current_resource))
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end
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end
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Contract String, Or[String, Pathname], Any => Maybe[String]
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def rewrite_url(asset_path, dirpath, request_path)
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uri = ::Middleman::Util.parse_uri(asset_path)
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return if uri.path[0..0] != '/'
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relative_path = uri.host.nil?
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full_asset_path = if relative_path
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dirpath.join(asset_path).to_s
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else
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asset_path
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end
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current_dir = Pathname(request_path).dirname
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result = Pathname(full_asset_path).relative_path_from(current_dir).to_s
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result
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end
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memoize :rewrite_url
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end
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