fix(compat): make compat.warn compatible with OpenResty's global scop…

…e protection
lunarmodules · Jan 14, 2022 · c887b6b · c887b6b
1 parent 16743e9
commit c887b6b
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/lua/pl/compat.lua b/lua/pl/compat.lua
@@ -227,7 +227,7 @@ end
 -- @param ... any arguments
 if not warn then  -- luacheck: ignore
     local enabled = false
-    function warn(arg1, ...)  -- luacheck: ignore
+    local function warn(arg1, ...)  -- luacheck: ignore
         if type(arg1) == "string" and arg1:sub(1, 1) == "@" then
             -- control message
             if arg1 == "@on" then
@@ -245,6 +245,8 @@ if not warn then  -- luacheck: ignore
           io.stderr:write("\n")
         end
     end
+    -- use rawset to bypass OpenResty's protection of global scope
+    rawset(_G, "warn", warn)
 end
 
 return compat