Add new client: ruby-lsp (#3984)

ruby-lsp is new opinionated language server for Ruby.

Please consult a link bellow to learn more:
https://github.com/Shopify/ruby-lsp

Author: isimluk

clients/lsp-ruby-lsp.el

@@ -0,0 +1,70 @@
+;;; lsp-ruby-lsp.el --- lsp-mode for the Ruby ruby-lsp gem -*- lexical-binding: t; -*-
+
+;; Copyright (C) 2023 Šimon Lukašík
+
+;; Author: Šimon Lukašík
+;; Keywords: languages
+
+;; This program is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary:
+
+;; LSP client for the Ruby ruby-lsp - an optionated language server for Ruby.
+;; Not to be confused with lsp-ruby that has been deprecated for a while.
+
+;;; Code:
+
+(require 'lsp-mode)
+
+(defgroup lsp-ruby-lsp nil
+  "LSP support for the ruby-lsp language server."
+  :group 'lsp-mode
+  :link '(url-link "https://github.com/shopify/ruby-lsp"))
+
+(defcustom lsp-ruby-lsp-use-bundler nil
+  "Run ruby-lsp using bundler."
+  :type 'boolean
+  :safe #'booleanp
+  :group 'lsp-ruby-lsp)
+
+(defun lsp-ruby-lsp--build-command ()
+  (append
+   (if lsp-ruby-lsp-use-bundler '("bundle" "exec"))
+   '("ruby-lsp")))
+
+(lsp-register-client
+ (make-lsp-client
+  :new-connection (lsp-stdio-connection #'lsp-ruby-lsp--build-command)
+  :activation-fn (lsp-activate-on "ruby")
+  :initialization-options `(
+			    :enabledFeatures ["documentHighlights"
+                            "documentSymbols"
+                            "documentLink"
+                            "diagnostics"
+                            "foldingRanges"
+                            "selectionRanges"
+                            "semanticHighlighting"
+                            "formatting"
+                            "onTypeFormatting"
+                            "codeActions"
+                            "completion"
+                            "inlayHint"
+                            "hover"])
+  :priority -2
+  :server-id 'ruby-lsp-ls))
+
+(lsp-consistency-check lsp-ruby-lsp)
+
+(provide 'lsp-ruby-lsp)
+;;; lsp-ruby-lsp.el ends here

docs/lsp-clients.json

@@ -707,6 +707,14 @@
     "installation": "pip install robotframework --user",
     "debugger": "Yes"
   },
+  {
+    "name": "ruby-lsp",
+    "full-name": "Ruby (ruby-lsp)",
+    "server-name": "ruby-lsp",
+    "server-url": "https://github.com/Shopify/ruby-lsp",
+    "installation": "gem install ruby-lsp",
+    "debugger": "Not available"
+  },
   {
     "name": "ruff-lsp",
     "full-name": "Python",

lsp-mode.el

@@ -183,7 +183,7 @@ As defined by the Language Server Protocol 3.16."
          lsp-pyright lsp-python-ms lsp-purescript lsp-r lsp-racket lsp-remark lsp-ruff-lsp lsp-rf lsp-rust lsp-solargraph
          lsp-sorbet lsp-sourcekit lsp-sonarlint lsp-tailwindcss lsp-tex lsp-terraform lsp-toml
          lsp-ttcn3 lsp-typeprof lsp-v lsp-vala lsp-verilog lsp-vetur lsp-volar lsp-vhdl lsp-vimscript
-         lsp-xml lsp-yaml lsp-ruby-syntax-tree lsp-sqls lsp-svelte lsp-steep lsp-zig)
+         lsp-xml lsp-yaml lsp-ruby-lsp lsp-ruby-syntax-tree lsp-sqls lsp-svelte lsp-steep lsp-zig)
   "List of the clients to be automatically required."
   :group 'lsp-mode
   :type '(repeat symbol))

mkdocs.yml

@@ -124,6 +124,7 @@ nav:
     - R: page/lsp-r.md
     - Racket (jeapostrophe): page/lsp-racket-langserver.md
     - Racket (Theia): page/lsp-racket-language-server.md
+    - Ruby (ruby-lsp): page/lsp-ruby-lsp.md
     - Ruby (Solargraph): page/lsp-solargraph.md
     - Ruby (Sorbet): page/lsp-sorbet.md
     - Ruby (Steep): page/lsp-steep.md