1 files changed, 60 insertions, 0 deletions
diff --git a/lua/core/formatter.lua b/lua/core/formatter.lua
new file mode 100644
index 00000000..05de74ab
--- /dev/null
+++ b/lua/core/formatter.lua
@@ -0,0 +1,60 @@
+-- autoformat
+if O.format_on_save then
+  require("lv-utils").define_augroups {
+    autoformat = {
+      {
+        "BufWritePost",
+        "*",
+        ":silent FormatWrite",
+      },
+    },
+  }
+end
+
+-- -- check if formatter has been defined for the language or not
+-- local function formatter_exists(lang_formatter)
+--   if lang_formatter == nil then
+--     return false
+--   end
+--   if lang_formatter.exe == nil or lang_formatter.args == nil then
+--     return false
+--   end
+--   return true
+-- end
+
+-- returns default formatter for given language
+-- local function formatter_return(lang_formatter)
+--   return {
+--     exe = lang_formatter.exe,
+--     args = lang_formatter.args,
+--     stdin = not (lang_formatter.stdin ~= nil),
+--   }
+-- end
+
+-- fill a table like this -> {rust: {exe:"sth",args:{"a","b"},stdin=true},go: {}...}
+-- local formatter_filetypes = {}
+-- for k, v in pairs(O.lang) do
+--   if formatter_exists(v.formatter) then
+--     local keys = v.filetypes
+--     if keys == nil then
+--       keys = { k }
+--     end
+--     for _, l in pairs(keys) do
+--       formatter_filetypes[l] = {
+--         function()
+--           return formatter_return(v.formatter)
+--         end,
+--       }
+--     end
+--   end
+-- end
+local status_ok, formatter = pcall(require, "formatter")
+if not status_ok then
+  return
+end
+
+if not O.format_on_save then
+  vim.cmd [[if exists('#autoformat#BufWritePost')
+	:autocmd! autoformat
+	endif]]
+end