feat(lexical): add support for lexical (#2874)

* feat(lexical): add support for lexical

Add server configuration for [lexical-lsp/lexical](https://github.com/lexical-lsp/lexical)

* refactor(lexical): add single_file_support

Instead of `vim.loop.os_homedir()`

1 files changed, 23 insertions, 0 deletions

diff --git a/lua/lspconfig/server_configurations/lexical.lua b/lua/lspconfig/server_configurations/lexical.lua
new file mode 100644
index 00000000..f8e5f967
--- /dev/null
+++ b/lua/lspconfig/server_configurations/lexical.lua
@@ -0,0 +1,23 @@
+local util = require 'lspconfig.util'
+
+return {
+  default_config = {
+    filetypes = { 'elixir', 'eelixir', 'heex', 'surface' },
+    root_dir = function(fname)
+      return util.find_git_ancestor(fname) or util.root_pattern 'mix.exs'(fname)
+    end,
+    single_file_support = true,
+  },
+  docs = {
+    description = [[
+    https://github.com/lexical-lsp/lexical
+
+    Lexical is a next-generation language server for the Elixir programming language.
+
+    Follow the [Detailed Installation Instructions](https://github.com/lexical-lsp/lexical/blob/main/pages/installation.md)
+
+    **By default, `lexical` doesn't have a `cmd` set.**
+    This is because nvim-lspconfig does not make assumptions about your path.
+    ]],
+  },
+}