[openstreetmap/openstreetmap-website] Show tag changes in object history view (PR #6448)

[Ian Dees]

@iandees commented on this pull request.



> +    changes = {}
+
+    # Check for added and modified tags
+    current_tags.each do |key, value|
+      if !previous_tags.key?(key)
+        changes[key] = { type: :added, current: value }
+      elsif previous_tags[key] != value
+        changes[key] = { type: :modified, current: value, previous: previous_tags[key] }
+      else
+        changes[key] = { type: :unchanged, current: value }
+      end
+    end

This is nicer, thanks. Improved in 8b1fb0bf6.

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