From 2f64546dc1cf0816b032af2ce7ded72ce4e581b3 Mon Sep 17 00:00:00 2001
From: Gregory Anders <8965202+gpanders@users.noreply.github.com>
Date: Thu, 16 Nov 2023 12:25:50 -0600
Subject: refactor: use optional base argument of tonumber (#26070)

---
 runtime/lua/vim/_defaults.lua | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

(limited to 'runtime/lua/vim/_defaults.lua')

diff --git a/runtime/lua/vim/_defaults.lua b/runtime/lua/vim/_defaults.lua
index 870603c9f3..09d6d43e7a 100644
--- a/runtime/lua/vim/_defaults.lua
+++ b/runtime/lua/vim/_defaults.lua
@@ -190,14 +190,17 @@ do
   --- @param c string Color as a string of hex chars
   --- @return number? Intensity of the color
   local function parsecolor(c)
-    local len = #c
-    assert(len > 0 and len <= 4, 'Invalid hex color string')
-    if not c:match('^0x') then
-      c = string.format('0x%s', c)
+    if #c == 0 or #c > 4 then
+      return nil
     end
 
-    local max = tonumber(string.format('0x%s', string.rep('f', len)))
-    return tonumber(c) / max
+    local val = tonumber(c, 16)
+    if not val then
+      return nil
+    end
+
+    local max = tonumber(string.rep('f', #c), 16)
+    return val / max
   end
 
   --- Parse an OSC 11 response
-- 
cgit