JezK
Edit File: path_dependency_utils.rb
require 'set' require 'sprockets/path_utils' require 'sprockets/uri_utils' module Sprockets # Internal: Related PathUtils helpers that also track all the file system # calls they make for caching purposes. All functions return a standard # return value and a Set of cache dependency URIs that can be used in the # future to see if the returned value should be invalidated from cache. # # entries_with_dependencies("app/assets/javascripts") # # => [ # # ["application.js", "projects.js", "users.js", ...] # # #<Set: {"file-digest:/path/to/app/assets/javascripts"}> # # ] # # The returned dependency set can be passed to resolve_dependencies(deps) # to check if the returned result is still fresh. In this case, entry always # returns a single path, but multiple calls should accumulate dependencies # into a single set thats saved off and checked later. # # resolve_dependencies(deps) # # => "\x01\x02\x03" # # Later, resolving the same set again will produce a different hash if # something on the file system has changed. # # resolve_dependencies(deps) # # => "\x03\x04\x05" # module PathDependencyUtils include PathUtils include URIUtils # Internal: List directory entries and return a set of dependencies that # would invalid the cached return result. # # See PathUtils#entries # # path - String directory path # # Returns an Array of entry names and a Set of dependency URIs. def entries_with_dependencies(path) return entries(path), file_digest_dependency_set(path) end # Internal: List directory filenames and associated Stats under a # directory. # # See PathUtils#stat_directory # # dir - A String directory # # Returns an Array of filenames and a Set of dependency URIs. def stat_directory_with_dependencies(dir) return stat_directory(dir).to_a, file_digest_dependency_set(dir) end # Internal: Returns a set of dependencies for a particular path. # # path - String directory path # # Returns a Set of dependency URIs. def file_digest_dependency_set(path) Set.new([build_file_digest_uri(path)]) end # Internal: List directory filenames and associated Stats under an entire # directory tree. # # See PathUtils#stat_sorted_tree # # dir - A String directory # # Returns an Array of filenames and a Set of dependency URIs. def stat_sorted_tree_with_dependencies(dir) deps = Set.new([build_file_digest_uri(dir)]) results = stat_sorted_tree(dir).map do |path, stat| deps << build_file_digest_uri(path) if stat.directory? [path, stat] end return results, deps end end end