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I am currently an ivy user, trying out vertico + consult.

For ivy I am using the following

(defun rit-check-buffer-mode (str mode) "Check whether the buffer's major mode is `mode'." (let ((buf (get-buffer str))) (and buf (eq (buffer-local-value 'major-mode buf) mode)))) (defun rit-ivy-switch-buffer (ignore-list) (let ((ivy-ignore-buffers ignore-list)) (ivy-switch-buffer))) (defun rit-ivy-buffer-switch-file () "Switch to any non-dired and non-virtual buffer." (interactive) (rit-ivy-switch-buffer '((lambda (str) (or (string-match-p "^ " str) (string-match-p "^\\*" str) (rit-check-buffer-mode str 'dired-mode))))))

How to achieve the same in vertico + consult?

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2 Answers 2

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For buffers that don't begin with * or a space char you can modify consult-buffer-filter.

For non-Dired buffers, consult--buffer-query accepts a predicate argument.

So you can define you own consult buffer source like this:

(defvar consult--source-non-virtual-non-dired-buffer `(:name "Buffer" :narrow ?b :category buffer :face consult-buffer :history buffer-name-history :state ,#'consult--buffer-state :default t :items ,(lambda () (consult--buffer-query :sort 'visibility :exclude '("^ " "^\\*") :predicate #'function-to-filte-dired-buffer :as #'buffer-name))) "Buffer candidate source for `consult-buffer'.")
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  • 1
    Perfect!, +1, Unfortunately, my reputation does not allow me to up-vote you. Commented Mar 3, 2022 at 3:35
  • Never mind, glab to see you understand this abstract answer Commented Mar 3, 2022 at 6:52
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I find another way to do this without any additional package.

(defun rit-check-buffer-mode (str mode) "Check whether the buffer's major mode is `mode'." (let ((buf (get-buffer str))) (and buf (eq (buffer-local-value 'major-mode buf) mode)))) (defun rit-switch-to-file-buffer () "Switch to non-virtual and non-dired buffer." (interactive) (switch-to-buffer (read-buffer "Buffer: " nil t #'(lambda (arg) (let ((str (car arg))) (not (or (string-match-p "^ " str) (string-match-p "^\\*" str) (rit-check-buffer-mode str 'dired-mode))))))))

This way one can use any package that hooks compliting-read, like vertico, ivy etc.

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