conform.lua

return {
	"stevearc/conform.nvim",
	event = { "BufWritePre" },
	cmd = { "ConformInfo" },
	keys = {
		{
			-- Customize or remove this keymap to your liking
			"<leader>fmt",
			function()
				require("conform").format({ async = true })
			end,
			mode = "",
			desc = "Format buffer",
		},
	},
	-- This will provide type hinting with LuaLS
	---@module "conform"
	opts = {
		-- Define your formatters
		formatters_by_ft = {
			lua = { "stylua" },
			python = { "isort", "black" },
			rust = { "rustfmt", lsp_format = "fallback" },
			javascript = { "eslint_d", "prettierd", "prettier", stop_after_first = true },
			typescript = { "eslint_d", "prettier", stop_after_first = true },
			javascriptreact = { "eslint_d", "prettier", stop_after_first = true },
			typescriptreact = { "eslint_d", "prettier", stop_after_first = true },
			svelte = { "prettier" },
			css = { "prettier" },
			html = { "prettier" },
			json = { "prettier" },
			yaml = { "prettier" },
			markdown = { "prettier" },
			graphql = { "prettier" },
			go = { "goimports", "gofmt" },
			ruby = { "rubocop" },
		},
		format_on_save = function(bufnr)
			local ft = vim.bo[bufnr].filetype
			if ft == "lua" then
				return {} -- enable format on save with default options
			end
			return false -- disable for all other filetypes
		end,
		-- Set default options
		default_format_opts = {
			lsp_format = "fallback",
		},
		-- Set up format-on-save
		-- format_on_save = { timeout_ms = 500 },
		-- Customize formatters
		formatters = {
			shfmt = {
				prepend_args = { "-i", "2" },
			},
			-- Use system rubocop (from mise) instead of Mason's version
			rubocop = {
				command = "rubocop",
			},
		},
	},
	init = function()
		-- If you want the formatexpr, here is the place to set it
		vim.o.formatexpr = "v:lua.require'conform'.formatexpr()"
	end,
}