update

src/interface.jl

@@ -235,7 +235,7 @@ Does **not** mutate the input; it always allocates new containers.
 
 # Examples
 ```jldoctest
-julia> using JSON
+julia> using JSON, DataStructures
 julia> d = Dict(
             "a" => 4,
             "b" => 6,
@@ -278,67 +278,67 @@ OrderedDict{String,Int} with 3 entries:
   "b" => 2
 ```
 """
-function dictify(x; keytype::Type=Any, sort_order::Union{Nothing, Vector}=nothing)
-    # Dict-like objects
-    if x isa AbstractDict
-        out = OrderedDict{keytype, Any}()
+function dictify(x::T; keytype::Type=Any, sort_order::Union{Nothing, Vector}=nothing
+  )::OrderedDict where {T<:AbstractDict}
+  # Dict-like objects
+  out = OrderedDict{keytype, Any}()
       
-        # 1. Process and normalize all keys from the input dictionary
-        processed_dict = OrderedDict{keytype, Any}()
-        for (k, v) in x
-            if keytype === String
-                newk = string(k)
-            elseif keytype === Symbol
-                newk = Symbol(string(k))
-            else
-                newk = k
-            end
-            processed_dict[newk] = dictify(v; keytype=keytype, sort_order=sort_order)
-        end
+  # 1. Process and normalize all keys from the input dictionary
+  processed_dict = OrderedDict{keytype, Any}()
+  for (k, v) in x
+      if keytype === String
+          newk = string(k)
+      elseif keytype === Symbol
+          newk = Symbol(string(k))
+      else
+          newk = k
+      end
+      processed_dict[newk] = dictify(v; keytype=keytype, sort_order=sort_order)
+  end
 
-        # 2. If a sort order is specified, apply it
-        if !isnothing(sort_order)
-            # Normalize the sort_order elements to match the requested keytype
-            normalized_order = map(sort_order) do tk
-                if keytype === String
-                    return string(tk)
-                elseif keytype === Symbol
-                    return Symbol(string(tk))
-                else
-                    return tk
-                end
-            end
+  # 2. If a sort order is specified, apply it
+  if !isnothing(sort_order)
+      # Normalize the sort_order elements to match the requested keytype
+      normalized_order = map(sort_order) do tk
+          if keytype === String
+              return string(tk)
+          elseif keytype === Symbol
+              return Symbol(string(tk))
+          else
+              return tk
+          end
+      end
 
-            # First, insert keys that match the requested order
-            for target_key in normalized_order
-                if haskey(processed_dict, target_key)
-                    out[target_key] = processed_dict[target_key]
-                end
-            end
+      # First, insert keys that match the requested order
+      for target_key in normalized_order
+          if haskey(processed_dict, target_key)
+              out[target_key] = processed_dict[target_key]
+          end
+      end
 
-            # Then, append any remaining keys that weren't in the sort_order
-            for (k, v) in processed_dict
-                if !haskey(out, k)
-                    out[k] = v
-                end
-            end
-        else
-            # If no sort order is given, just use the processed dict
-            out = processed_dict
-        end
+      # Then, append any remaining keys that weren't in the sort_order
+      for (k, v) in processed_dict
+          if !haskey(out, k)
+              out[k] = v
+          end
+      end
+  else
+      # If no sort order is given, just use the processed dict
+      out = processed_dict
+  end
 
-        return out
-
-    # Arrays / vectors: map elements recursively
-    elseif x isa AbstractArray
-        return [dictify(element; keytype=keytype, sort_order=sort_order) for element in x]
-    
-    # Everything else: return as-is
-    else
-        return x
-    end
+  return out
 end
 
+function dictify(x::T; keytype::Type=Any, sort_order::Union{Nothing, Vector}=nothing
+  ) where {T<:AbstractArray}
+  return [dictify(element; keytype=keytype, sort_order=sort_order) for element in x]
+end
+
+function dictify(x; keytype::Type=Any, sort_order::Union{Nothing, Vector}=nothing
+  )
+  return x
+end
 
 # ---------------------------------------------- 100 --------------------------------------------- #