From b1dbb1d897a0f0c740c5ec5ee76a7bd78e875255 Mon Sep 17 00:00:00 2001
From: Ethan Holz <ethan.holz@thoriumworks.com>
Date: Wed, 5 Aug 2026 13:18:00 -0600
Subject: [PATCH] feat: add native Astro language server config

Configure astro-ls through Neovim's native LSP API and resolve a
workspace-local TypeScript SDK without depending on nvim-lspconfig.

Assisted-by: Pi:openai-codex/gpt-5.6-sol
---
 lsp/astro.lua | 52 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 lsp/astro.lua

diff --git a/lsp/astro.lua b/lsp/astro.lua
new file mode 100644
index 0000000..8fafa53
--- /dev/null
+++ b/lsp/astro.lua
@@ -0,0 +1,52 @@
+---@brief
+--- https://github.com/withastro/astro/tree/main/packages/language-tools/language-server
+---
+--- Install with:
+--- ```sh
+--- npm install -g @astrojs/language-server
+--- ```
+---
+--- Astro also requires a TypeScript SDK. TypeScript 7.x no longer ships
+--- `tsserverlibrary.js`, so use TypeScript <= 6.x.
+
+local function get_typescript_server_path(root_dir)
+    local node_modules = vim.fs.find("node_modules", {
+        path = root_dir,
+        upward = true,
+        limit = math.huge,
+    })
+
+    for _, dir in ipairs(node_modules) do
+        local typescript = vim.fs.joinpath(dir, "typescript")
+        if vim.uv.fs_stat(typescript) then
+            return vim.fs.joinpath(typescript, "lib")
+        end
+    end
+
+    return ""
+end
+
+---@type vim.lsp.Config
+return {
+    cmd = function(dispatchers, config)
+        local cmd = "astro-ls"
+        if (config or {}).root_dir then
+            local local_cmd = vim.fs.joinpath(config.root_dir, "node_modules", ".bin", cmd)
+            if vim.fn.executable(local_cmd) == 1 then
+                cmd = local_cmd
+            end
+        end
+        return vim.lsp.rpc.start({ cmd, "--stdio" }, dispatchers)
+    end,
+    filetypes = { "astro" },
+    root_markers = { "package.json", "tsconfig.json", "jsconfig.json", ".git" },
+    init_options = {
+        typescript = {},
+    },
+    before_init = function(_, config)
+        local typescript = config.init_options and config.init_options.typescript
+        if typescript and not typescript.tsdk then
+            typescript.tsdk = get_typescript_server_path(config.root_dir)
+        end
+    end,
+}
-- 
2.51.2