feat: add ruby-lsp server configuration (#2169)

1 files changed, 38 insertions, 0 deletions

diff --git a/lua/lspconfig/server_configurations/ruby_ls.lua b/lua/lspconfig/server_configurations/ruby_ls.lua
new file mode 100644
index 00000000..ba41dd5a
--- /dev/null
+++ b/lua/lspconfig/server_configurations/ruby_ls.lua
@@ -0,0 +1,38 @@
+local util = require 'lspconfig.util'
+
+local bin_name = 'ruby-lsp'
+
+-- defaults to stdio
+local cmd = { bin_name }
+
+if vim.fn.has 'win32' == 1 then
+  cmd = { 'cmd.exe', '/C', bin_name }
+end
+
+return {
+  default_config = {
+    cmd = cmd,
+    filetypes = { 'ruby' },
+    root_dir = util.root_pattern('Gemfile', '.git'),
+  },
+  docs = {
+    description = [[
+https://shopify.github.io/ruby-lsp/
+
+This gem is an implementation of the language server protocol specification for
+Ruby, used to improve editor features.
+
+Install the gem. There's no need to require it, since the server is used as a
+standalone executable.
+
+```sh
+group :development do
+  gem "ruby-lsp", require: false
+end
+```
+    ]],
+    default_config = {
+      root_dir = [[root_pattern("Gemfile", ".git")]],
+    },
+  },
+}