Fully use biome as an lsp

nvim/after/lsp/biome.lua

@@ -0,0 +1,13 @@
+return {
+	-- Disable lunching from node_modules (no nix binary)
+	cmd = { "biome", "lsp-proxy" },
+	-- Inline package.json (remove check for biome installed)
+	root_dir = function(_, on_dir)
+		-- To support monorepos, biome recommends starting the search for the root from cwd
+		-- https://biomejs.dev/guides/big-projects/#use-multiple-configuration-files
+		local cwd = vim.fn.getcwd()
+		local root_files = { 'biome.json', 'biome.jsonc', 'package.json', 'package.json5' }
+		local root_dir = vim.fs.dirname(vim.fs.find(root_files, { path = cwd, upward = true })[1])
+		on_dir(root_dir)
+	end,
+}

nvim/after/lsp/ts_ls.lua

@@ -0,0 +1,11 @@
+-- use biome for formatting
+return {
+	---@param client vim.lsp.Client
+	on_init = function(client, _)
+		if client.server_capabilities then
+			client.server_capabilities["documentFormattingProvider"] = false
+			client.server_capabilities["documentRangeFormattingProvider"] = false
+			client.server_capabilities["documentOnTypeFormattingProvider"] = false
+		end
+	end,
+}

nvim/default.nix

@@ -140,6 +140,7 @@ in
       lua-language-server
       bash-language-server
       sqls
+      biome
 
       # gopls also needs go /shame
       gopls
@@ -154,7 +155,6 @@ in
       alejandra
       pgformatter
       csharpier
-      biome
       ruff
 
       # repl

nvim/lua/plugins/conform.lua

@@ -15,13 +15,6 @@ return {
 			default_format_opts = { async = true },
 			formatters_by_ft = {
 				python = { "ruff_format", "ruff_organize_imports" },
-				javascript = { "biome-check", "prettierd", "prettier", stop_after_first = true },
-				typescript = { "biome-check", "prettierd", "prettier", stop_after_first = true },
-				javascriptreact = { "biome-check", "prettierd", "prettier", stop_after_first = true },
-				typescriptreact = { "biome-check", "prettierd", "prettier", stop_after_first = true },
-				json = { "biome-check", "prettierd", "prettier", stop_after_first = true },
-				css = { "biome-check", "prettierd", "prettier", stop_after_first = true },
-				html = { "biome-check", "prettierd", "prettier", stop_after_first = true },
 				sql = { "pg_format" },
 				cs = { "csharpier" },
 				nix = { "alejandra" },
@@ -29,10 +22,6 @@ return {
 				["_"] = { "injected", lsp_format = "last" },
 			},
 			formatters = {
-				["biome-check"] = {
-					-- disable node module search since native binaries can't be run from nix
-					command = "biome",
-				},
 				csharpier = function()
 					return {
 						command = "csharpier",