Add bin and edit workflow

bin/gems/unicode-display_width-2.6.0/lib/unicode/display_width/index.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+require "zlib"
+require_relative "constants"
+
+module Unicode
+  class DisplayWidth
+    File.open(INDEX_FILENAME, "rb") do |file|
+      serialized_data = Zlib::GzipReader.new(file).read
+      serialized_data.force_encoding Encoding::BINARY
+      INDEX = Marshal.load(serialized_data)
+    end
+
+    def self.decompress_index(index, level)
+      index.flat_map{ |value|
+        if level > 0
+          if value.instance_of?(Array)
+            value[15] ||= nil
+            decompress_index(value, level - 1)
+          else
+            decompress_index([value] * 16, level - 1)
+          end
+        else
+          if value.instance_of?(Array)
+            value[15] ||= nil
+            value
+          else
+            [value] * 16
+          end
+        end
+      }
+    end
+  end
+end