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adapt suggestions from copilt

Co-authored-by: Copilot <[email protected]>

Author: bytelazy

apisix/plugins/grpc-transcode/response.lua

@@ -36,13 +36,13 @@ local function fetch_proto_array_names(proto_obj)
         for k,v in pairs(proto_obj) do
             if type(v) == "table" then
                 local sub_names = fetch_proto_array_names(v)
-                for sub_name,_ in pairs (sub_names ) do
-                    names[sub_name]=1
+                for sub_name,_ in pairs(sub_names) do
+                    names[sub_name] = 1
                 end
             end
         end
         if proto_obj["label"] == repeated_label then
-            names[proto_obj["name"]]=1
+            names[proto_obj["name"]] = 1
         end
     end
     return names
@@ -55,9 +55,9 @@ local function set_default_array(tab, array_names)
     for k, v in pairs(tab) do
         if type(v) == "table" then
             if array_names[k] == 1 then
-                setmetatable(v,core.json.array_mt)
+                setmetatable(v, core.json.array_mt)
             end
-            set_default_array(v,array_names)
+            set_default_array(v, array_names)
         end
     end
 end
@@ -170,7 +170,7 @@ return function(ctx, proto, service, method, pb_option, show_status_in_body, sta
         return err_msg
     end
 
-    local array_names = fetch_proto_array_names( proto )
+    local array_names = fetch_proto_array_names(proto)
     set_default_array(decoded, array_names)
 
     local response, err = core.json.encode(decoded)