rust 実装のLSPクライアント lsp-proxy が凄く早くて良い

(use-package lsp-proxy
  :load-path "/path/to/lsp-proxy"
  :config
  (add-hook 'tsx-ts-mode-hook #'lsp-proxy-mode)
  (add-hook 'js-ts-mode-hook #'lsp-proxy-mode)
  (add-hook 'typescript-mode-hook #'lsp-proxy-mode)
  (add-hook 'typescript-ts-mode-hook #'lsp-proxy-mode))

(leaf lsp-proxy
  :straight (lsp-proxy
             :type git
             :host github
             :repo "jadestrong/lsp-proxy"
             :files (:defaults))
  :hook (go-mode-hook
         go-ts-mode-hook
         vue-ts-mode-hook
         vue-mode-hook
         web-mode-hook
         tsx-ts-mode-hook
         typescript-mode-hook
         typescript-ts-mode-hook
         js-mode-hook
         emacs-lisp-mode-hook
         graphql-ts-mode-hook
         protobuf-ts-mode-hook)
  :custom `(lsp-proxy-user-languages-config . ,(expand-file-name "~/.emacs.d/etc/lsp-proxy/languages.toml"))
  :bind ((:lsp-proxy-mode-map
          :package lsp-proxy
          ("M-." . lsp-proxy-find-definition)
          ("M-," . xref-go-back)
          ("C-c C-d" . lsp-proxy-describe-thing-at-point)
          ("C-c C-r" . lsp-proxy-find-references)
          ("C-c l i" . lsp-proxy-find-implementations)
          ("C-c l r" . lsp-proxy-rename)
          ("C-c l c" . lsp-proxy-execute-command)
          ("C-c l s" . lsp-proxy-signature-activate)))
  )

# language server を定義する部分
[language-server.gql-ls]    # ← `gql-ls` がこれを呼び出すときの key となる
command = "graphql-lsp"
args = ["server", "--method", "stream"]

# language server を起動する部分
[[language]]
name = "graphql"                  # ← unique な ID として適当に名前を付ける
language-servers = ["gql-ls"]     # ← 定義済みの起動したい language server を記載
file-types = ["gql", "graphql"]   # ← どんな拡張子のファイルを開いたときに language-servers を起動させたいか
# ↓ workspace root をどこにするか (親ディレクトリを辿り roots で指定したファイルを探し、直近の親が root になる)
roots = ["graphql.config.ts", "graphql.config.js", ".graphqlrc", ".graphqlrc.yml", ".graphqlrc.js", ".graphqlrc.ts", ".graphqlrc.yaml", ".graphqlrc.json", ".graphqlrc.toml", "graphql.config.json", "graphql.config.toml"]

[language-server.gopls]
command = "gopls"

[language-server.gopls.config]
buildFlags = ["-tags=integration"]

[[language]]
name = "go"
file-types = ["go"]
roots = ["go.mod"]
language-servers = [ "gopls" ]

[language-server.oxlint-ls]
command = "oxlint"
args = ["--lsp"]

[language-server.tsgo-ls]
command = "/path/to/tsgo"   # ← 任意の実行ファイルを直接指定するときはフルパス
args = ["--lsp", "--stdio"]

[[language]]
name = "tsx"
language-id = "typescriptreact"
file-types = ["tsx"]
roots = ["package.json"]
language-servers = [
  # support-workspace は workspace root の検知方法を変更できる
  # ↓ これはモノレポ用
  { name = "tsgo-ls", support-workspace = ["package.json"] },
  # config-files を指定することで、root にそのファイルがあるときだけ起動させることもできる
  # プロジェクトによって使われる linter が違うときに便利
  { name = "oxlint-ls", support-workspace = true, config-files = [
    ".oxlintrc.json"
  ] },
  { name = "eslint", support-workspace = true, config-files = [
    ".eslintrc.js", ".eslintrc.cjs", ".eslintrc.yaml", ".eslintrc.yml", ".eslintrc", ".eslintrc.json", "eslint.config.js", "eslint.config.mjs", "eslint.config.cjs", "eslint.config.ts", "eslint.config.mts", "eslint.config.cts"
  ] },
  { name = "tailwindcss-ls", support-workspace = true, config-files = [
    "tailwind.config.js",
  ] },
]