feat: initial commit; NixOS Era

pkgs/neovim/lua/plugins/format.lua

@@ -0,0 +1,81 @@
+local common = require('BluePlum.lazy')
+
+---@param exe string
+---@param args { [number]: string, path: boolean? }
+local function formatter(exe, args)
+	return {
+		function()
+			local argv = {}
+
+			for _, val in ipairs(args) do
+				table.insert(argv, val)
+			end
+
+			if args.path ~= false then
+				table.insert(argv, vim.fn.shellescape(vim.api.nvim_buf_get_name(0)))
+			end
+
+			return {
+				exe = exe,
+				args = argv,
+				stdin = true,
+			}
+		end,
+	}
+end
+
+local prettier = formatter('prettier', {
+	'--config-precedence prefer-file',
+	'--single-quote',
+	'--use-tabs',
+	'--trailing-comma es5',
+	'--bracket-same-line',
+	'--stdin-filepath',
+})
+
+return {
+	{
+		'mhartington/formatter.nvim',
+		event = common.event.BufWritePost,
+		opts = {
+			filetype = {
+				javascript = prettier,
+				typescript = prettier,
+				markdown = prettier,
+				css = prettier,
+				json = prettier,
+				html = prettier,
+				scss = prettier,
+				rust = formatter('rustfmt', { path = false }),
+				lua = formatter('stylua', {
+					'--indent-type Tabs',
+					'--line-endings Unix',
+					'--quote-style AutoPreferSingle',
+					'--column-width' .. ' ' .. vim.o.columns,
+					'-',
+				}),
+				nix = formatter('nixfmt', {
+					'--indent=4',
+					'--strict',
+				}),
+
+				['*'] = {
+					function()
+						if vim.lsp.buf.formatting then
+							vim.lsp.buf.format()
+						end
+					end,
+				},
+			},
+		},
+		config = function(lazy)
+			require('formatter').setup(lazy.opts)
+
+			vim.api.nvim_create_augroup('__formatter__', { clear = true })
+			vim.api.nvim_create_autocmd(common.event.BufWritePost, {
+				group = '__formatter__',
+				command = ':FormatWriteLock',
+			})
+		end,
+	},
+}