GitHub - jimeh/yank-indent: Emacs minor-mode that ensures pasted (yanked) text h...
source link: https://github.com/jimeh/yank-indent
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yank-indent
Emacs minor-mode that ensures pasted (yanked) text has the correct indentation level.
Do you often find yourself fixing the indentation of a code snippet right after pasting it somewhere? Never again! yank-indent is the answer.
Features
yank-indent-mode
minor-mode that automatically callsindent-region
on yanked/pasted text.global-yank-indent-mode
which is a set-it-and-forget-it style global mode that enablesyank-indent-mode
in relevant buffers, with a sensible default list of major-modes to exclude.- By default does not trigger
indent-region
if pasted text is longer than 5000 characters. This threshold can be can be customized withyank-indent-threshold
.
Installation
use-package + straight.el
(use-package yank-indent
:straight (:host github :repo "jimeh/yank-indent")
:config (global-yank-indent-mode t))
Manual
Place yank-indent.el
somewhere in your load-path
and require it. For example
~/.emacs.d/vendor
:
(add-to-list 'load-path "~/.emacs.d/vendor")
(require 'yank-indent)
(global-yank-indent-mode t)
Setup & Teardown
Required setup that registers advice on yank
and yank-pop
commands is
automatically done the first time that yank-indent-mode
is enabled.
Should you want to though you can manually add/remove the required advice with
yank-indent-setup
and yank-indent-teardown
.
Usage
global-yank-indent-mode
With global-yank-indent-mode
enabled, you will find that yank-indent-mode
is
automatically enabled in relevant buffers. The defaults will specifically
exclude common languages which are indentation sensitive like Python, YAML,
Makefile, etc.
For fine-grained control over which major-modes it is enabled in or not, see
customization options with M-x customize-group RET yank-indent
.
yank-indent-mode
If you prefer not to use the global mode, you can add yank-indent-mode
as a
hook to relevant major-modes, or even manually toggle it on and off with
M-x yank-indent-mode
.
To skip the indent operation for a single yank command, use a prefix command, so
C-u C-y
instead of just C-y
.
Keep in mind that the include/exclude major-mode customizations only affect the
global mode and which buffers it enables yank-indent-mode
in. If you
explicitly enable yank-indent-mode
in a buffer, it will operate like normal
regardless of what major-mode the buffer is using.
Under the Hood
yank-indent
registers an advice for after yank
and yank-pop
commands. The
advice function verifies that yank-indent-mode
mode is enabled in the current
buffer, prefix argument was not given, and the yanked/pasted text was within the
yank-indent-threshold
in size. If all true, it will trigger indentation,
otherwise it does nothing.
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