Add bin and edit workflow

bin/gems/jekyll-4.4.1/lib/jekyll/collection.rb

@@ -0,0 +1,310 @@
+# frozen_string_literal: true
+
+module Jekyll
+  class Collection
+    attr_reader :site, :label, :metadata
+    attr_writer :docs
+
+    # Create a new Collection.
+    #
+    # site - the site to which this collection belongs.
+    # label - the name of the collection
+    #
+    # Returns nothing.
+    def initialize(site, label)
+      @site     = site
+      @label    = sanitize_label(label)
+      @metadata = extract_metadata
+    end
+
+    # Fetch the Documents in this collection.
+    # Defaults to an empty array if no documents have been read in.
+    #
+    # Returns an array of Jekyll::Document objects.
+    def docs
+      @docs ||= []
+    end
+
+    # Override of normal respond_to? to match method_missing's logic for
+    # looking in @data.
+    def respond_to_missing?(method, include_private = false)
+      docs.respond_to?(method.to_sym, include_private) || super
+    end
+
+    # Override of method_missing to check in @data for the key.
+    def method_missing(method, *args, &blck)
+      if docs.respond_to?(method.to_sym)
+        Jekyll.logger.warn "Deprecation:",
+                           "#{label}.#{method} should be changed to #{label}.docs.#{method}."
+        Jekyll.logger.warn "", "Called by #{caller(0..0)}."
+        docs.public_send(method.to_sym, *args, &blck)
+      else
+        super
+      end
+    end
+
+    # Fetch the static files in this collection.
+    # Defaults to an empty array if no static files have been read in.
+    #
+    # Returns an array of Jekyll::StaticFile objects.
+    def files
+      @files ||= []
+    end
+
+    # Read the allowed documents into the collection's array of docs.
+    #
+    # Returns the sorted array of docs.
+    def read
+      filtered_entries.each do |file_path|
+        full_path = collection_dir(file_path)
+        next if File.directory?(full_path)
+
+        if Utils.has_yaml_header? full_path
+          read_document(full_path)
+        else
+          read_static_file(file_path, full_path)
+        end
+      end
+      site.static_files.concat(files) unless files.empty?
+      sort_docs!
+    end
+
+    # All the entries in this collection.
+    #
+    # Returns an Array of file paths to the documents in this collection
+    #   relative to the collection's directory
+    def entries
+      return [] unless exists?
+
+      @entries ||= begin
+        collection_dir_slash = "#{collection_dir}/"
+        Utils.safe_glob(collection_dir, ["**", "*"], File::FNM_DOTMATCH).map do |entry|
+          entry[collection_dir_slash] = ""
+          entry
+        end
+      end
+    end
+
+    # Filtered version of the entries in this collection.
+    # See `Jekyll::EntryFilter#filter` for more information.
+    #
+    # Returns a list of filtered entry paths.
+    def filtered_entries
+      return [] unless exists?
+
+      @filtered_entries ||=
+        Dir.chdir(directory) do
+          entry_filter.filter(entries).reject do |f|
+            path = collection_dir(f)
+            File.directory?(path) || entry_filter.symlink?(f)
+          end
+        end
+    end
+
+    # The directory for this Collection, relative to the site source or the directory
+    # containing the collection.
+    #
+    # Returns a String containing the directory name where the collection
+    #   is stored on the filesystem.
+    def relative_directory
+      @relative_directory ||= "_#{label}"
+    end
+
+    # The full path to the directory containing the collection.
+    #
+    # Returns a String containing th directory name where the collection
+    #   is stored on the filesystem.
+    def directory
+      @directory ||= site.in_source_dir(
+        File.join(container, relative_directory)
+      )
+    end
+
+    # The full path to the directory containing the collection, with
+    #   optional subpaths.
+    #
+    # *files - (optional) any other path pieces relative to the
+    #           directory to append to the path
+    #
+    # Returns a String containing th directory name where the collection
+    #   is stored on the filesystem.
+    def collection_dir(*files)
+      return directory if files.empty?
+
+      site.in_source_dir(container, relative_directory, *files)
+    end
+
+    # Checks whether the directory "exists" for this collection.
+    # The directory must exist on the filesystem and must not be a symlink
+    #   if in safe mode.
+    #
+    # Returns false if the directory doesn't exist or if it's a symlink
+    #   and we're in safe mode.
+    def exists?
+      File.directory?(directory) && !entry_filter.symlink?(directory)
+    end
+
+    # The entry filter for this collection.
+    # Creates an instance of Jekyll::EntryFilter.
+    #
+    # Returns the instance of Jekyll::EntryFilter for this collection.
+    def entry_filter
+      @entry_filter ||= Jekyll::EntryFilter.new(site, relative_directory)
+    end
+
+    # An inspect string.
+    #
+    # Returns the inspect string
+    def inspect
+      "#<#{self.class} @label=#{label} docs=#{docs}>"
+    end
+
+    # Produce a sanitized label name
+    # Label names may not contain anything but alphanumeric characters,
+    #   underscores, and hyphens.
+    #
+    # label - the possibly-unsafe label
+    #
+    # Returns a sanitized version of the label.
+    def sanitize_label(label)
+      label.gsub(%r![^a-z0-9_\-.]!i, "")
+    end
+
+    # Produce a representation of this Collection for use in Liquid.
+    # Exposes two attributes:
+    #   - label
+    #   - docs
+    #
+    # Returns a representation of this collection for use in Liquid.
+    def to_liquid
+      Drops::CollectionDrop.new self
+    end
+
+    # Whether the collection's documents ought to be written as individual
+    #   files in the output.
+    #
+    # Returns true if the 'write' metadata is true, false otherwise.
+    def write?
+      !!metadata.fetch("output", false)
+    end
+
+    # The URL template to render collection's documents at.
+    #
+    # Returns the URL template to render collection's documents at.
+    def url_template
+      @url_template ||= metadata.fetch("permalink") do
+        Utils.add_permalink_suffix("/:collection/:path", site.permalink_style)
+      end
+    end
+
+    # Extract options for this collection from the site configuration.
+    #
+    # Returns the metadata for this collection
+    def extract_metadata
+      if site.config["collections"].is_a?(Hash)
+        site.config["collections"][label] || {}
+      else
+        {}
+      end
+    end
+
+    private
+
+    def container
+      @container ||= site.config["collections_dir"]
+    end
+
+    def read_document(full_path)
+      doc = Document.new(full_path, :site => site, :collection => self)
+      doc.read
+      docs << doc if site.unpublished || doc.published?
+    end
+
+    def sort_docs!
+      if metadata["order"].is_a?(Array)
+        rearrange_docs!
+      elsif metadata["sort_by"].is_a?(String)
+        sort_docs_by_key!
+      else
+        docs.sort!
+      end
+    end
+
+    # A custom sort function based on Schwartzian transform
+    # Refer https://byparker.com/blog/2017/schwartzian-transform-faster-sorting/ for details
+    def sort_docs_by_key!
+      meta_key = metadata["sort_by"]
+      # Modify `docs` array to cache document's property along with the Document instance
+      docs.map! { |doc| [doc.data[meta_key], doc] }.sort! do |apples, olives|
+        order = determine_sort_order(meta_key, apples, olives)
+
+        # Fall back to `Document#<=>` if the properties were equal or were non-sortable
+        # Otherwise continue with current sort-order
+        if order.nil? || order.zero?
+          apples[-1] <=> olives[-1]
+        else
+          order
+        end
+
+        # Finally restore the `docs` array with just the Document objects themselves
+      end.map!(&:last)
+    end
+
+    def determine_sort_order(sort_key, apples, olives)
+      apple_property, apple_document = apples
+      olive_property, olive_document = olives
+
+      if apple_property.nil? && !olive_property.nil?
+        order_with_warning(sort_key, apple_document, 1)
+      elsif !apple_property.nil? && olive_property.nil?
+        order_with_warning(sort_key, olive_document, -1)
+      else
+        apple_property <=> olive_property
+      end
+    end
+
+    def order_with_warning(sort_key, document, order)
+      Jekyll.logger.warn "Sort warning:", "'#{sort_key}' not defined in #{document.relative_path}"
+      order
+    end
+
+    # Rearrange documents within the `docs` array as listed in the `metadata["order"]` array.
+    #
+    # Involves converting the two arrays into hashes based on relative_paths as keys first, then
+    # merging them to remove duplicates and finally retrieving the Document instances from the
+    # merged array.
+    def rearrange_docs!
+      docs_table   = {}
+      custom_order = {}
+
+      # pre-sort to normalize default array across platforms and then proceed to create a Hash
+      # from that sorted array.
+      docs.sort.each do |doc|
+        docs_table[doc.relative_path] = doc
+      end
+
+      metadata["order"].each do |entry|
+        custom_order[File.join(relative_directory, entry)] = nil
+      end
+
+      result = Jekyll::Utils.deep_merge_hashes(custom_order, docs_table).values
+      result.compact!
+      self.docs = result
+    end
+
+    def read_static_file(file_path, full_path)
+      relative_dir = Jekyll.sanitized_path(
+        relative_directory,
+        File.dirname(file_path)
+      ).chomp("/.")
+
+      files << StaticFile.new(
+        site,
+        site.source,
+        relative_dir,
+        File.basename(full_path),
+        self
+      )
+    end
+  end
+end