fix format separator.

1 files changed, 8 insertions, 1 deletions

diff --git a/src/3rdParty/LuaMinify.h b/src/3rdParty/LuaMinify.h
index 5512f5b..05bb0b8 100644
--- a/src/3rdParty/LuaMinify.h
+++ b/src/3rdParty/LuaMinify.h
@@ -2089,16 +2089,23 @@ local function FormatYue(ast, lineMap)
         local formatStatlist, formatExpr
         
         local function joinStatementsSafe(out, b, sep)
+                if #out < 1 then
+                        return ''
+                end
                 local aa = ''
+                local spaceSep = b:sub(1,1) == ' '
                 for i = #out, 1, -1 do
                         local a = out[i]
+                        if a:sub(-1,-1) == ' ' then
+                                spaceSep = true
+                        end
                         aa = a:match("([^%s])%s*$")
                         if aa then
                                 break
                         end
                 end
                 sep = sep or ' '
-                if (out[#out] or ''):sub(-1,-1) == ' ' then
+                if spaceSep then
                         sep = ''
                 end
                 local bb = b:match("^%s*([^%s])")