emacs-config/oni-yasnippet.el

;;; oni-yasnippet.el --- Yasnippet configuration     -*- lexical-binding: t; -*-

;; Copyright (C) 2019  Tom Willemse

;; Author: Tom Willemse <tom@ryuslash.org>
;; Keywords: local
;; Version: 2023.1212.085307
;; Package-Requires: (yasnippet yasnippet-snippets diminish)

;; 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:

;; Yasnippet configuration. To use this configuratin you should put the
;; following two lines in your init file:
;;
;;     (with-eval-after-load 'yasnippet (require 'oni-yasnippet))
;;     (yas-global-mode)


;;; Code:

(require 'yasnippet)
(require 'diminish)

(defun oni-yasnippet-remove-snippet-by-name (name mode)
  "Remove the snippet NAME from MODE's snippet tables."
  (and-let* ((mode-table (gethash mode yas--tables))
             (uuidhash-table (yas--table-uuidhash mode-table))
             (hash-table (yas--table-hash mode-table))
             (snippet (gethash name uuidhash-table))
             (key (yas--template-key snippet)))
    (remhash key hash-table)
    (remhash name uuidhash-table)))

(defun oni-yasnippet-cleanup-snippets ()
  "Remove some snippets that I don't like."
  (oni-yasnippet-remove-snippet-by-name "defun" 'lisp-interaction-mode))

(with-eval-after-load 'yasnippet (diminish 'yas-minor-mode))

(setq-default yas-buffer-local-condition yas-not-string-or-comment-condition)

(define-key yas-minor-mode-map (kbd "<tab>") nil)
(define-key yas-minor-mode-map (kbd "C-\\") 'yas-expand)
(define-key yas-minor-mode-map (kbd "SPC") yas-maybe-expand)
(define-key yas-minor-mode-map (kbd "TAB") nil)

(add-hook 'yas-after-reload-hook #'oni-yasnippet-cleanup-snippets)

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