feat(oxlint/oxfmt): adopt and fully integrate the recommended language servers (#4242)

* feat(oxlint): use new oxlint --lsp command

* chores(oxlint): improve the root_dir logic to better match what oxlint does

* feat(oxlint): add default init config comments

* feat(oxlint): add LspOxlintFixAll command

* docs(oxlint): improve docs

* feat(oxfmt): add oxfmt language server

* fix(oxlint): fix lint issues

* Update lsp/oxfmt.lua

Co-authored-by: Tim Shilov <tim@shilov.dev>

* Update lsp/oxlint.lua

Co-authored-by: Tim Shilov <tim@shilov.dev>

* fix(oxlint/oxfmt): use root_dir as workspaceUri

* fix: correct configuration after oxc release

* fix: add supported Oxfmt languages

* fix: add languages supported by Oxlint

---------

Co-authored-by: Tim Shilov <tim@shilov.dev>

2 files changed, 86 insertions, 3 deletions

diff --git a/lsp/oxfmt.lua b/lsp/oxfmt.lua
new file mode 100644
index 00000000..c0b35198
--- /dev/null
+++ b/lsp/oxfmt.lua
@@ -0,0 +1,52 @@
+--- @brief
+---
+--- https://github.com/oxc-project/oxc
+--- https://oxc.rs/docs/guide/usage/formatter.html
+---
+--- `oxfmt` is a Prettier-compatible code formatter that supports multiple languages
+--- including JavaScript, TypeScript, JSON, YAML, HTML, CSS, Markdown, and more.
+--- It can be installed via `npm`:
+---
+--- ```sh
+--- npm i -g oxfmt
+--- ```
+
+local util = require 'lspconfig.util'
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'oxfmt', '--lsp' },
+  filetypes = {
+    'javascript',
+    'javascriptreact',
+    'javascript.jsx',
+    'typescript',
+    'typescriptreact',
+    'typescript.tsx',
+    'toml',
+    'json',
+    'jsonc',
+    'json5',
+    'yaml',
+    'html',
+    'vue',
+    'handlebars',
+    'hbs',
+    'css',
+    'scss',
+    'less',
+    'graphql',
+    'markdown',
+    'mdx',
+  },
+  workspace_required = true,
+  root_dir = function(bufnr, on_dir)
+    local fname = vim.api.nvim_buf_get_name(bufnr)
+
+    -- Oxfmt resolves configuration by walking upward and using the nearest config file
+    -- to the file being processed. We therefore compute the root directory by locating
+    -- the closest `.oxfmtrc.json` (or `package.json` fallback) above the buffer.
+    local root_markers = util.insert_package_json({ '.oxfmtrc.json' }, 'oxfmt', fname)[1]
+    on_dir(vim.fs.dirname(vim.fs.find(root_markers, { path = fname, upward = true })[1]))
+  end,
+}
diff --git a/lsp/oxlint.lua b/lsp/oxlint.lua
index 4585a985..ddf13eff 100644
--- a/lsp/oxlint.lua
+++ b/lsp/oxlint.lua
@@ -1,8 +1,10 @@
 --- @brief
 ---
 --- https://github.com/oxc-project/oxc
+--- https://oxc.rs/docs/guide/usage/linter.html
 ---
---- `oxc` is a linter / formatter for JavaScript / Typescript supporting over 500 rules from ESLint and its popular plugins
+--- `oxlint` is a linter for JavaScript / TypeScript supporting over 500 rules from ESLint and its popular plugins.
+--- It also supports linting framework files (Vue, Svelte, Astro) by analyzing their <script> blocks.
 --- It can be installed via `npm`:
 ---
 --- ```sh
@@ -13,7 +15,7 @@ local util = require 'lspconfig.util'
 
 ---@type vim.lsp.Config
 return {
-  cmd = { 'oxc_language_server' },
+  cmd = { 'oxlint', '--lsp' },
   filetypes = {
     'javascript',
     'javascriptreact',
@@ -21,11 +23,40 @@ return {
     'typescript',
     'typescriptreact',
     'typescript.tsx',
+    'vue',
+    'svelte',
+    'astro',
   },
   workspace_required = true,
+  on_attach = function(client, bufnr)
+    vim.api.nvim_buf_create_user_command(bufnr, 'LspOxlintFixAll', function()
+      client:exec_cmd({
+        title = 'Apply Oxlint automatic fixes',
+        command = 'oxc.fixAll',
+        arguments = { { uri = vim.uri_from_bufnr(bufnr) } },
+      })
+    end, {
+      desc = 'Apply Oxlint automatic fixes',
+    })
+  end,
   root_dir = function(bufnr, on_dir)
     local fname = vim.api.nvim_buf_get_name(bufnr)
-    local root_markers = util.insert_package_json({ '.oxlintrc.json' }, 'oxlint', fname)
+
+    -- Oxlint resolves configuration by walking upward and using the nearest config file
+    -- to the file being processed. We therefore compute the root directory by locating
+    -- the closest `.oxlintrc.json` (or `package.json` fallback) above the buffer.
+    local root_markers = util.insert_package_json({ '.oxlintrc.json' }, 'oxlint', fname)[1]
     on_dir(vim.fs.dirname(vim.fs.find(root_markers, { path = fname, upward = true })[1]))
   end,
+  init_options = {
+    settings = {
+      -- ['run'] = 'onType',
+      -- ['configPath'] = nil,
+      -- ['tsConfigPath'] = nil,
+      -- ['unusedDisableDirectives'] = 'allow',
+      -- ['typeAware'] = false,
+      -- ['disableNestedConfig'] = false,
+      -- ['fixKind'] = 'safe_fix',
+    },
+  },
 }