d0021461f7
e.g. If you've cloned doom-snippets to $DOOMDIR/snippets. Also refactors how yas-snippet-dirs is initialized.
102 lines
3.8 KiB
EmacsLisp
102 lines
3.8 KiB
EmacsLisp
;;; editor/snippets/config.el -*- lexical-binding: t; -*-
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(defvar +snippets-dir (expand-file-name "snippets/" doom-private-dir)
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"Directory where `yasnippet' will search for your private snippets.")
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;;
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;; Packages
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(use-package! yasnippet
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:commands (yas-minor-mode-on
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yas-expand
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yas-expand-snippet
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yas-lookup-snippet
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yas-insert-snippet
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yas-new-snippet
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yas-visit-snippet-file)
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:init
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;; Remove default ~/.emacs.d/snippets
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(defvar yas-snippet-dirs nil)
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;; Ensure `yas-reload-all' is called as late as possible. Other modules could
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;; have additional configuration for yasnippet. For example, file-templates.
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(add-transient-hook! 'yas-minor-mode-hook (yas-reload-all))
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(add-hook! '(text-mode-hook
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prog-mode-hook
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conf-mode-hook
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snippet-mode-hook)
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#'yas-minor-mode-on)
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:config
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(setq yas-verbosity (if doom-debug-mode 3 0)
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yas-also-auto-indent-first-line t)
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(add-to-list 'load-path +snippets-dir)
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;; default snippets library, if available
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(require 'doom-snippets nil t)
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;; Allow private snippets in DOOMDIR/snippets
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(add-to-list 'yas-snippet-dirs '+snippets-dir)
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;; In case `+snippets-dir' and `doom-snippets-dir' are the same
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(advice-add #'yas-snippet-dirs :filter-return #'delete-dups)
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;; Remove GUI dropdown prompt (prefer ivy/helm)
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(delq! 'yas-dropdown-prompt yas-prompt-functions)
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;; Prioritize private snippets in `+snippets-dir' over built-in ones if there
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;; are multiple choices.
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(add-to-list 'yas-prompt-functions #'+snippets-prompt-private nil #'eq)
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;; Register `def-project-mode!' modes with yasnippet. This enables project
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;; specific snippet libraries (e.g. for Laravel, React or Jekyll projects).
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(add-hook 'doom-project-hook #'+snippets-enable-project-modes-h)
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;; Exit snippets on ESC from normal mode
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(add-hook 'doom-escape-hook #'yas-abort-snippet)
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(after! smartparens
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;; tell smartparens overlays not to interfere with yasnippet keybinds
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(advice-add #'yas-expand :before #'sp-remove-active-pair-overlay))
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;; Enable `read-only-mode' for built-in snippets (in `doom-local-dir')
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(add-hook 'snippet-mode-hook #'+snippets-read-only-maybe-h)
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;; (Evil only) fix off-by-one issue with line-wise visual selections in
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;; `yas-insert-snippet', and switches to insert mode afterwards.
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(advice-add #'yas-insert-snippet :around #'+snippets-expand-on-region-a)
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(define-key! snippet-mode-map
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"C-c C-k" #'+snippet--abort
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"C-c C-e" #'+snippet--edit)
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(add-hook 'snippet-mode-hook #'+snippets-show-hints-in-header-line-h)
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;; Replace commands with superior alternatives
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(define-key! yas-minor-mode-map
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[remap yas-new-snippet] #'+snippets/new
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[remap yas-visit-snippet-file] #'+snippets/edit)
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(map! :map yas-keymap
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"C-e" #'+snippets/goto-end-of-field
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"C-a" #'+snippets/goto-start-of-field
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[M-right] #'+snippets/goto-end-of-field
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[M-left] #'+snippets/goto-start-of-field
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[M-backspace] #'+snippets/delete-to-start-of-field
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[backspace] #'+snippets/delete-backward-char
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[delete] #'+snippets/delete-forward-char-or-field))
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(use-package! auto-yasnippet
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:defer t
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:init (setq aya-persist-snippets-dir (concat doom-etc-dir "auto-snippets/"))
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:config
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(defadvice! +snippets--inhibit-yas-global-mode-a (orig-fn &rest args)
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"auto-yasnippet enables `yas-global-mode'. This is obnoxious for folks like
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us who use yas-minor-mode and enable yasnippet more selectively. This advice
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swaps `yas-global-mode' with `yas-minor-mode'."
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:around '(aya-expand aya-open-line)
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(cl-letf (((symbol-function #'yas-global-mode) #'yas-minor-mode)
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(yas-global-mode yas-minor-mode))
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(apply orig-fn args))))
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