emacs-config/oni-lsp.el

;;; oni-lsp.el --- LSP configuration                 -*- lexical-binding: t; -*-

;; Copyright (C) 2019  Tom Willemse

;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: local
;; Version: 2021.0715.215836
;; Package-Requires: (lsp-mode lsp-ui lsp-ivy)

;; 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:

;; Configuration for `lsp-mode' and friends. Add the following to your init file
;; in case you want to use this configuration:
;;
;;     (with-eval-after-load 'lsp-mode (require 'oni-lsp))

;;; Code:

(require 'lsp)
(require 'lsp-ivy)
(require 'lsp-ui)

(defun oni-lsp-show-doc ()
  "Show documentation string in a help buffer."
  (interactive)
  (let* ((position-params (lsp--text-document-position-params))
         (response (lsp-request "textDocument/hover" position-params))
         (contents (gethash "contents" response))
         (help-string (lsp-ui-doc--extract contents))
         (symbol (gethash "value" (pcase contents
                                    ((pred arrayp) (aref contents 0))
                                    (_ contents)))))
    (with-help-window (help-buffer)
      (princ symbol)
      (princ "\n\n")
      (princ help-string))))

(setq lsp-prefer-flymake nil)

(setq lsp-ui-doc-enable nil)
(setq lsp-ui-sideline-enable nil)

(define-key lsp-mode-map (kbd "C-c s") 'lsp-ivy-workspace-symbol)
(define-key lsp-mode-map (kbd "C-c S") 'lsp-ivy-global-workspace-symbol)

(add-hook 'lsp-mode-hook 'lsp-lens-mode)

(provide 'oni-lsp)
;;; oni-lsp.el ends here