[ruby/did_you_mean] Do not use #inspect to avoid unexpected performance degradation

closes https://github.com/ruby/did_you_mean/pull/100

https://github.com/ruby/did_you_mean/commit/bd11eefd6c

2 files changed, 18 insertions, 2 deletions

diff --git a/lib/did_you_mean/spell_checkers/key_error_checker.rb b/lib/did_you_mean/spell_checkers/key_error_checker.rb
index be4bea7789..955bff1be6 100644
--- a/lib/did_you_mean/spell_checkers/key_error_checker.rb
+++ b/lib/did_you_mean/spell_checkers/key_error_checker.rb
@@ -14,7 +14,15 @@ module DidYouMean
     private
 
     def exact_matches
-      @exact_matches ||= @keys.select { |word| @key == word.to_s }.map(&:inspect)
+      @exact_matches ||= @keys.select { |word| @key == word.to_s }.map { |obj| format_object(obj) }
+    end
+
+    def format_object(symbol_or_object)
+      if symbol_or_object.is_a?(Symbol)
+        ":#{symbol_or_object}"
+      else
+        symbol_or_object.to_s
+      end
     end
   end
 end
diff --git a/lib/did_you_mean/spell_checkers/pattern_key_name_checker.rb b/lib/did_you_mean/spell_checkers/pattern_key_name_checker.rb
index ed263c8f93..622d4dee25 100644
--- a/lib/did_you_mean/spell_checkers/pattern_key_name_checker.rb
+++ b/lib/did_you_mean/spell_checkers/pattern_key_name_checker.rb
@@ -14,7 +14,15 @@ module DidYouMean
     private
 
     def exact_matches
-      @exact_matches ||= @keys.select { |word| @key == word.to_s }.map(&:inspect)
+      @exact_matches ||= @keys.select { |word| @key == word.to_s }.map { |obj| format_object(obj) }
+    end
+
+    def format_object(symbol_or_object)
+      if symbol_or_object.is_a?(Symbol)
+        ":#{symbol_or_object}"
+      else
+        symbol_or_object.to_s
+      end
     end
   end
 end