From cc53010b2ec8e9dd4a69dd8fa6134a02eedf942b Mon Sep 17 00:00:00 2001
From: Andre Schaf <andre.schaf@babtec.de>
Date: Thu, 12 Jun 2025 12:01:00 +0200
Subject: [PATCH] add memory limit to angular node lsp process

---
 lua/lspconf/angular.lua | 58 ++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 57 insertions(+), 1 deletion(-)

diff --git a/lua/lspconf/angular.lua b/lua/lspconf/angular.lua
index fb86039..193d635 100644
--- a/lua/lspconf/angular.lua
+++ b/lua/lspconf/angular.lua
@@ -1,8 +1,63 @@
 local lspconfig = require 'lspconfig'
+local configs = require 'lspconfig.configs'
+
+-- Angular requires a node_modules directory to probe for @angular/language-service and typescript
+-- in order to use your projects configured versions.
+-- This defaults to the vim cwd, but will get overwritten by the resolved root of the file.
+local function get_probe_dir(root_dir)
+  local project_root = vim.fs.dirname(vim.fs.find('node_modules', { path = root_dir, upward = true })[1])
+
+  return project_root and (project_root .. '/node_modules') or ''
+end
+
+local function get_angular_core_version(root_dir)
+  local project_root = vim.fs.dirname(vim.fs.find('node_modules', { path = root_dir, upward = true })[1])
+
+  if not project_root then
+    return ''
+  end
+
+  local package_json = project_root .. '/package.json'
+  if not vim.uv.fs_stat(package_json) then
+    return ''
+  end
+
+  local contents = io.open(package_json):read '*a'
+  local json = vim.json.decode(contents)
+  if not json.dependencies then
+    return ''
+  end
+
+  local angular_core_version = json.dependencies['@angular/core']
+
+  angular_core_version = angular_core_version and angular_core_version:match('%d+%.%d+%.%d+')
+
+  return angular_core_version
+end
+
+local default_probe_dir = get_probe_dir(vim.fn.getcwd())
+local default_angular_core_version = get_angular_core_version(vim.fn.getcwd())
+
+local cmd = {
+    'node',
+    '--max-old-space-size=8192',
+    vim.fn.exepath('ngserver'),
+    '--stdio',
+    '--tsProbeLocations',
+    default_probe_dir,
+    '--ngProbeLocations',
+    default_probe_dir,
+    '--angularCoreVersion',
+    default_angular_core_version,
+}
 
 lspconfig.angularls.setup({
+  cmd = cmd,
+  on_new_config = function(new_config,new_root_dir)
+    new_config.cmd = cmd
+  end,
   on_attach = function()
-    for _, server in ipairs(vim.lsp.buf_get_clients()) do
+    for _, server in ipairs(vim.lsp.get_clients()) do
       if server.name == "tsserver" then
         local tsserver = vim.lsp.get_client_by_id(server.id)
         tsserver.server_capabilities.renameProvider = false
@@ -10,3 +65,4 @@ lspconfig.angularls.setup({
     end
   end
 })
+