nvim-config/lua/plugins/conform.lua

return {
	"stevearc/conform.nvim",
	event = { "BufReadPre", "BufNewFile" },
	config = function()
		local conform = require("conform")

		conform.setup({
			formatters_by_ft = {
				-- Web development
				javascript = { "prettier" },
				typescript = { "prettier" },
				javascriptreact = { "prettier" },
				typescriptreact = { "prettier" },
				css = { "prettier" },
				html = { "prettier" },
				json = { "prettier" },
				yaml = { "prettier" },
				markdown = { "prettier" },
				graphql = { "prettier" },

				-- Lua
				lua = { "stylua" },

				-- Python
				python = { "isort", "black" },

				-- Go
				go = { "gofmt", "goimports" },

				-- Rust
				rust = { "rustfmt" },

				-- Shell
				sh = { "shfmt" },
				bash = { "shfmt" },
				zsh = { "shfmt" },

				-- TOML
				toml = { "taplo" },

				-- Use the "*" filetype to run formatters on all filetypes
				["*"] = { "trim_whitespace" },
			},
			-- Set default options
			default_format_opts = {
				lsp_format = "fallback",
			},
			-- Set up format-on-save
			-- format_on_save = {
			-- 	-- These options will be passed to conform.format()
			-- 	timeout_ms = 500,
			-- 	lsp_format = "fallback",
			-- },
			-- Customize formatters
			formatters = {
				shfmt = {
					prepend_args = { "-i", "2" }, -- 2 spaces indentation
				},
			},
		})

		-- Keybindings
		vim.keymap.set({ "n", "v" }, "<leader>lf", function()
			conform.format({
				lsp_format = "fallback",
				async = false,
				timeout_ms = 500,
			})
		end, { desc = "Format file or range (in visual mode)" })
	end,
}