Update: Modularizing some features and customizations.

lua/formatters_auto_config.lua

@@ -0,0 +1,93 @@
+-- Auto-create config files for formatters (cross-platform)
+
+local M = {}
+local uv = vim.loop
+
+-- Determine OS paths
+local home = uv.os_homedir()
+local os_name = uv.os_uname().sysname
+local appdata = os.getenv 'APPDATA' or (home .. '/AppData/Roaming')
+
+-- List of formatter configs
+local formatters = {
+	{
+		name = 'clang-format',
+		path = (os_name:match 'Windows' and home .. '\\.clang-format' or home .. '/.clang-format'),
+		content = [[
+BasedOnStyle: LLVM
+IndentWidth: 4
+TabWidth: 4
+UseTab: Always
+]],
+	},
+	{
+		name = 'prettier',
+		path = (os_name:match 'Windows' and appdata .. '\\Prettier\\.prettierrc' or home .. '/.prettierrc'),
+		content = [[
+{
+  "tabWidth": 4,
+  "useTabs": true,
+  "semi": true,
+  "singleQuote": true,
+  "trailingComma": "es5",
+  "printWidth": 100
+}
+]],
+	},
+	{
+		name = 'yapf',
+		path = (os_name:match 'Windows' and home .. '\\.style.yapf' or home .. '/.style.yapf'),
+		content = [[
+[style]
+based_on_style = pep8
+indent_width = 4
+use_tabs = True
+]],
+	},
+	{
+		name = 'isort',
+		path = (os_name:match 'Windows' and home .. '\\.isort.cfg' or home .. '/.isort.cfg'),
+		content = [[
+[settings]
+profile = black
+force_single_line = true
+]],
+	},
+}
+
+-- Helper function to create a file if it doesn't exist
+local function ensure_file(path, content)
+	if not path then
+		print 'Invalid path, skipping file creation'
+		return
+	end
+
+	local stat = uv.fs_stat(path)
+	if not stat then
+		-- Make parent directory if needed
+		local dir = vim.fn.fnamemodify(path, ':h')
+		if vim.fn.isdirectory(dir) == 0 then
+			vim.fn.mkdir(dir, 'p') -- recursively create directories
+			print('Created directory: ' .. dir)
+		end
+
+		-- Write the file
+		local fd = uv.fs_open(path, 'w', 420) -- 0644
+		if fd then
+			uv.fs_write(fd, content, -1)
+			uv.fs_close(fd)
+			print('Created file: ' .. path)
+		else
+			print('Failed to create file: ' .. path)
+		end
+	end
+end
+
+-- Function to run the auto-creation for all formatters
+function M.setup()
+	for _, fmt in ipairs(formatters) do
+		ensure_file(fmt.path, fmt.content)
+	end
+end
+
+return M