lib/write_xlsx/workbook.rb in write_xlsx-0.85.7 vs lib/write_xlsx/workbook.rb in write_xlsx-0.85.8

@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
+# frozen_string_literal: true
 require 'write_xlsx/package/xml_writer_simple'
 require 'write_xlsx/package/packager'
 require 'write_xlsx/sheets'
 require 'write_xlsx/worksheet'
 require 'write_xlsx/chartsheet'
@@ -970,11 +971,12 @@
 
     #
     # Add a string to the shared string table, if it isn't already there, and
     # return the string index.
     #
-    def shared_string_index(str, params = {}) #:nodoc:
-      @shared_strings.index(str, params)
+    EMPTY_HASH = {}.freeze
+    def shared_string_index(str) #:nodoc:
+      @shared_strings.index(str, EMPTY_HASH)
     end
 
     def str_unique   # :nodoc:
       @shared_strings.unique_count
     end