docs(eslint): fix on save example creates a buflocal autocmd (#2450)

* docs(eslint): fix on save example creates a buflocal autocmd

* docs(eslint): fix example spacing

1 files changed, 10 insertions, 2 deletions

diff --git a/lua/lspconfig/server_configurations/eslint.lua b/lua/lspconfig/server_configurations/eslint.lua
index 92a44ac4..dc71e94f 100644
--- a/lua/lspconfig/server_configurations/eslint.lua
+++ b/lua/lspconfig/server_configurations/eslint.lua
@@ -181,8 +181,16 @@ npm i -g vscode-langservers-extracted
 ```
 
 `vscode-eslint-language-server` provides an `EslintFixAll` command that can be used to format a document on save:
-```vim
-autocmd BufWritePre *.tsx,*.ts,*.jsx,*.js EslintFixAll
+```lua
+lspconfig.eslint.setup({
+  --- ...
+  on_attach = function(client, bufnr)
+    vim.api.nvim_create_autocmd("BufWritePre", {
+      buffer = bufnr,
+      command = "EslintFixAll",
+    })
+  end,
+})
 ```
 
 See [vscode-eslint](https://github.com/microsoft/vscode-eslint/blob/55871979d7af184bf09af491b6ea35ebd56822cf/server/src/eslintServer.ts#L216-L229) for configuration options.