Add bin and edit workflow

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

@@ -0,0 +1,92 @@
+# frozen_string_literal: true
+
+module Jekyll
+  class Plugin
+    PRIORITIES = {
+      :low     => -10,
+      :highest => 100,
+      :lowest  => -100,
+      :normal  => 0,
+      :high    => 10,
+    }.freeze
+
+    #
+
+    def self.inherited(const)
+      catch_inheritance(const) do |const_|
+        catch_inheritance(const_)
+      end
+    end
+
+    #
+
+    def self.catch_inheritance(const)
+      const.define_singleton_method :inherited do |const_|
+        (@children ||= Set.new).add const_
+        yield const_ if block_given?
+      end
+    end
+
+    #
+
+    def self.descendants
+      @children ||= Set.new
+      out = @children.map(&:descendants)
+      out << self unless superclass == Plugin
+      Set.new(out).flatten
+    end
+
+    # Get or set the priority of this plugin. When called without an
+    # argument it returns the priority. When an argument is given, it will
+    # set the priority.
+    #
+    # priority - The Symbol priority (default: nil). Valid options are:
+    #            :lowest, :low, :normal, :high, :highest
+    #
+    # Returns the Symbol priority.
+    def self.priority(priority = nil)
+      @priority ||= nil
+      @priority = priority if priority && PRIORITIES.key?(priority)
+      @priority || :normal
+    end
+
+    # Get or set the safety of this plugin. When called without an argument
+    # it returns the safety. When an argument is given, it will set the
+    # safety.
+    #
+    # safe - The Boolean safety (default: nil).
+    #
+    # Returns the safety Boolean.
+    def self.safe(safe = nil)
+      @safe = safe unless defined?(@safe) && safe.nil?
+      @safe || false
+    end
+
+    # Spaceship is priority [higher -> lower]
+    #
+    # other - The class to be compared.
+    #
+    # Returns -1, 0, 1.
+    def self.<=>(other)
+      PRIORITIES[other.priority] <=> PRIORITIES[priority]
+    end
+
+    # Spaceship is priority [higher -> lower]
+    #
+    # other - The class to be compared.
+    #
+    # Returns -1, 0, 1.
+    def <=>(other)
+      self.class <=> other.class
+    end
+
+    # Initialize a new plugin. This should be overridden by the subclass.
+    #
+    # config - The Hash of configuration options.
+    #
+    # Returns a new instance.
+    def initialize(config = {})
+      # no-op for default
+    end
+  end
+end