Sync did_you_mean again

1 files changed, 20 insertions, 0 deletions

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
new file mode 100644
index 0000000000..ed263c8f93
--- /dev/null
+++ b/lib/did_you_mean/spell_checkers/pattern_key_name_checker.rb
@@ -0,0 +1,20 @@
+require_relative "../spell_checker"
+
+module DidYouMean
+  class PatternKeyNameChecker
+    def initialize(no_matching_pattern_key_error)
+      @key = no_matching_pattern_key_error.key
+      @keys = no_matching_pattern_key_error.matchee.keys
+    end
+
+    def corrections
+      @corrections ||= exact_matches.empty? ? SpellChecker.new(dictionary: @keys).correct(@key).map(&:inspect) : exact_matches
+    end
+
+    private
+
+    def exact_matches
+      @exact_matches ||= @keys.select { |word| @key == word.to_s }.map(&:inspect)
+    end
+  end
+end