Replace lsp/nullls format on save with conform.nvim

lua/plugins/conform.nvim.lua

@@ -0,0 +1,19 @@
+return {
+    'stevearc/conform.nvim',
+    opts = {
+        formatters_by_ft = {
+            javascript = { "prettierd", "prettier", stop_after_first = true },
+            kulala     = { "kulala-fmt" },
+            lua        = { lsp_format = "fallback" },
+            go         = { lsp_format = "fallback" },
+            rust       = { lsp_format = "fallback" },
+            toml       = { lsp_format = "fallback" },
+            yaml       = { lsp_format = "fallback" },
+            java       = { lsp_format = "fallback" }
+        },
+        format_on_save = {
+            timeout_ms = 500,
+            lsp_format = "fallback",
+        },
+    },
+}

lua/plugins/lsp.lua

@@ -24,26 +24,6 @@ local format_on_save = function(client, bufnr)
 end
 
 
-vim.api.nvim_create_autocmd('LspAttach', {
-    callback = function(args)
-        local client = vim.lsp.get_client_by_id(args.data.client_id)
-        if not client then return end
-
-        local LSP_CLIENT_NAMES_FORMAT_ON_SAVE = { "lua_ls", "jdtls", "gopls", "taplo", "yamlls" }
-        for _, client_name_autoformat in ipairs(LSP_CLIENT_NAMES_FORMAT_ON_SAVE) do
-            if client.name == client_name_autoformat and client.server_capabilities.documentFormattingProvider then
-                -- Format the current buffer on save
-                vim.api.nvim_create_autocmd('BufWritePre', {
-                    buffer = args.buf,
-                    callback = function()
-                        vim.lsp.buf.format({ bufnr = args.buf, id = client.id })
-                    end,
-                })
-            end
-        end
-    end,
-})
-
 vim.diagnostic.config({
     virtual_lines = false,
     virtual_text = false,
@@ -110,24 +90,11 @@ return {
         config = function()
             local null_ls = require("null-ls")
 
-            local kulala_fmt = {
-                method = null_ls.methods.FORMATTING,
-                filetypes = { "http" },
-                generator = null_ls.formatter({
-                    command = "kulala-fmt",
-                    args = { "format", "--stdin" },
-                    to_stdin = true,
-                }),
-            }
-
             null_ls.setup({
                 on_attach = function(client, bufnr)
                     format_on_save(client, bufnr)
                 end,
                 sources = {
-                    null_ls.builtins.formatting.prettierd,
-                    kulala_fmt,
-
                     null_ls.builtins.diagnostics.dotenv_linter,
                     null_ls.builtins.diagnostics.editorconfig_checker,
                     null_ls.builtins.diagnostics.proselint,