From c566653a645c8317f336043117766745304b7887 Mon Sep 17 00:00:00 2001
From: moxie <moxie@3kgcat.fi>
Date: Mon, 16 Mar 2026 02:21:16 +0200
Subject: refactor: normalize text_extensions at config time

---
 lua/muwiki/config.lua | 7 +++++++
 lua/muwiki/links.lua  | 9 ++++-----
 2 files changed, 11 insertions(+), 5 deletions(-)

(limited to 'lua')

diff --git a/lua/muwiki/config.lua b/lua/muwiki/config.lua
index 831e406..362cc26 100644
--- a/lua/muwiki/config.lua
+++ b/lua/muwiki/config.lua
@@ -23,6 +23,13 @@ function M.setup(opts)
   for key, value in pairs(opts) do
     if key == 'dirs' then
       -- handled above
+    elseif key == 'text_extensions' then
+      -- Normalize extensions by stripping leading dots
+      M.options.text_extensions = {}
+      for _, ext in ipairs(value) do
+        local normalized = ext:gsub("^%.", "")
+        table.insert(M.options.text_extensions, normalized)
+      end
     elseif M.options[key] ~= nil then
       M.options[key] = value
     end
diff --git a/lua/muwiki/links.lua b/lua/muwiki/links.lua
index 2972973..2213dae 100644
--- a/lua/muwiki/links.lua
+++ b/lua/muwiki/links.lua
@@ -13,12 +13,11 @@ local M = {}
 ---@field cmd string|function Command or function to handle the URL
 ---@field exts string[]? Optional list of file extensions this handler supports
 
+-- TODO: Support compound extensions like "tar.gz" or "min.js"
 local function is_text_extension(ext)
-  local text_exts = config.options.text_extensions or {}
-  ext = ext:gsub("^%.", "")
-  for _, text_ext in ipairs(text_exts) do
-    local normalized = text_ext:gsub("^%.", "")
-    if normalized == ext then
+  local target = ext:gsub("^%.", "")
+  for _, cfg_ext in ipairs(config.options.text_extensions or {}) do
+    if cfg_ext == target then
       return true
     end
   end
-- 
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