86 lines
3.3 KiB
EmacsLisp
86 lines
3.3 KiB
EmacsLisp
;;; feature/snippets/config.el
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;; Snippets! I've thrown together a few hacks to make `yasnippet' and `evil'
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;; behave together.
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(def-package! yasnippet
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:commands (yas-minor-mode yas-minor-mode-on yas-expand yas-expand-snippet
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yas-lookup-snippet yas-insert-snippet yas-new-snippet
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yas-visit-snippet-file)
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:preface
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(defvar yas-minor-mode-map (make-sparse-keymap))
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:init
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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 prog-mode snippet-mode markdown-mode org-mode)
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'yas-minor-mode-on)
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:config
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(setq yas-verbosity 0
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yas-indent-line 'auto
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yas-also-auto-indent-first-line t
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yas-prompt-functions '(yas-completing-prompt yas-ido-prompt yas-no-prompt)
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yas-snippet-dirs '(yas-installed-snippets-dir))
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;; Allows project-specific snippets
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(defun +snippets|enable-project-modes (mode &rest _)
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"Enable snippets for project modes."
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(if (symbol-value mode)
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(yas-activate-extra-mode mode)
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(yas-deactivate-extra-mode mode)))
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(add-hook 'doom-project-hook '+snippets|enable-project-modes)
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;; fix an error caused by smartparens interfering with yasnippet bindings
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(advice-add 'yas-expand :before 'sp-remove-active-pair-overlay)
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(after! evil
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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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"<S-tab>" 'yas-prev-field
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"<M-backspace>" '+snippets/delete-to-start-of-field
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"<escape>" 'evil-normal-state
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[backspace] '+snippets/delete-backward-char
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"<delete>" '+snippets/delete-forward-char-or-field)
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(:map yas-minor-mode-map
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:i [tab] 'yas-expand
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:v [tab] '+snippets/expand-on-region))
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;; Exit snippets on ESC in normal mode
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(advice-add 'evil-force-normal-state :before 'yas-exit-all-snippets)
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;; Once you're in normal mode, you're out
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(add-hook 'evil-normal-state-entry-hook 'yas-abort-snippet)
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;; Strip out whitespace before a line selection
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(defun +snippets|yas-before-expand ()
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"Strip out the shitespace before a line selection."
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(when (and (evil-visual-state-p)
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(eq (evil-visual-type) 'line))
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(setq-local
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yas-selected-text
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(replace-regexp-in-string
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"\\(^ *\\|\n? $\\)" ""
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(buffer-substring-no-properties (region-beginning)
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(1- (region-end)))))))
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(add-hook 'yas-before-expand-snippet-hook '+snippets|yas-before-expand)
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(defun +snippets|yas-after-expand ()
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"Fix previous hook persisting yas-selected-text between expansions."
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(setq yas-selected-text nil))
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(add-hook 'yas-after-exit-snippet-hook '+snippets|yas-after-expand)))
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(def-package! auto-yasnippet
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:commands (aya-create aya-expand aya-open-line aya-persist-snippet)
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:init
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(map! :i [C-tab] 'aya-expand
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:nv [C-tab] 'aya-create)
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:config
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(setq aya-persist-snippets-dir (concat doom-local-dir "auto-snippets/")))
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