[neovim] Use conform plugin for auto formatting

.config/nvim/lua/plugins/lsp/conform.lua

@@ -0,0 +1,26 @@
+require("conform").setup({
+	formatters_by_ft = {
+		go = { "goimports", "gofumpt" },
+		javascript = { "prettier" },
+		json = { "prettier" },
+		lua = { "stylua" },
+		markdown = { "prettier" },
+		python = { "isort", "black" },
+		typescript = { "prettier" },
+		yaml = { "prettier" },
+	},
+	formatters = {
+		{
+			command = "black",
+			args = { "--line-length", "100" },
+		},
+	},
+	format_on_save = function(bufnr)
+		local filetypes = { "go", "typescript", "lua" }
+		if not vim.tbl_contains(filetypes, vim.bo[bufnr].filetype) then
+			return
+		end
+
+		return { timeout_ms = 500, lsp_fallback = false }
+	end,
+})

.config/nvim/lua/plugins/lsp/init.lua

@@ -1,6 +1,7 @@
 require("plugins.lsp.mason")
 require("plugins.lsp.handlers").setup()
 require("plugins.lsp.none-ls")
+require("plugins.lsp.conform")
 require("plugins.lsp.lsp-saga")
 
 local win = require("lspconfig.ui.windows")

.config/nvim/lua/plugins/lsp/none-ls.lua

@@ -1,6 +1,4 @@
 local none_ls = require("null-ls")
--- https://github.com/nvimtools/none-ls.nvim/tree/main/lua/null-ls/builtins/formatting
-local formatting = none_ls.builtins.formatting
 -- https://github.com/nvimtools/none-ls.nvim/tree/main/lua/null-ls/builtins/diagnostics
 local diagnostics = none_ls.builtins.diagnostics
 
@@ -13,11 +11,6 @@ end
 none_ls.setup({
 	debug = false,
 	sources = {
-		formatting.black.with({
-			extra_args = { "--fast", "--line-length", "100" },
-		}),
-		formatting.stylua,
-		formatting.prettier,
 		diagnostics.hadolint,
 		diagnostics.markdownlint,
 		diagnostics.revive.with({