From 4f3fd0f8dd228fe7211dbaf9e4a76f8b279a1d3e Mon Sep 17 00:00:00 2001
From: tokers <zchao1995@gmail.com>
Date: Sun, 17 Feb 2019 17:48:47 +0800
Subject: [PATCH] improve: removed the superfluous header type check

The ngx.var API only returns a Lua string in case of success or `nil` if
failure. So check whether the header is a Lua table is superfluous.
---
 lib/resty/upload.lua | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/lib/resty/upload.lua b/lib/resty/upload.lua
index 37da961..66dae98 100644
--- a/lib/resty/upload.lua
+++ b/lib/resty/upload.lua
@@ -5,7 +5,6 @@
 local req_socket = ngx.req.socket
 local match = string.match
 local setmetatable = setmetatable
-local type = type
 local ngx_var = ngx.var
 -- local print = print
 
@@ -33,10 +32,6 @@ local function get_boundary()
         return nil
     end
 
-    if type(header) == "table" then
-        header = header[1]
-    end
-
     local m = match(header, ";%s*boundary=\"([^\"]+)\"")
     if m then
         return m