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feat: make buffer previewer default and deprecate bat previewer (#420)

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To revert back to bat previewers put this into your config:

file_previewer = require'telescope.previewers'.cat.new,
grep_previewer = require'telescope.previewers'.vimgrep.new,
qflist_previewer = require'telescope.previewers'.qflist.new,
This commit is contained in:
Simon Hauser
2021-02-24 03:47:22 +01:00
committed by GitHub
parent 67b0661537
commit b5051eeb01
3 changed files with 15 additions and 13 deletions
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20
README.md
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@@ -160,9 +160,9 @@ require('telescope').setup{
color_devicons = true,
use_less = true,
set_env = { ['COLORTERM'] = 'truecolor' }, -- default = nil,
file_previewer = require'telescope.previewers'.cat.new, -- For buffer previewer use `require'telescope.previewers'.vim_buffer_cat.new`
grep_previewer = require'telescope.previewers'.vimgrep.new, -- For buffer previewer use `require'telescope.previewers'.vim_buffer_vimgrep.new`
qflist_previewer = require'telescope.previewers'.qflist.new, -- For buffer previewer use `require'telescope.previewers'.vim_buffer_qflist.new`
file_previewer = require'telescope.previewers'.vim_buffer_cat.new,
grep_previewer = require'telescope.previewers'.vim_buffer_vimgrep.new,
qflist_previewer = require'telescope.previewers'.vim_buffer_qflist.new,
-- Developer configurations: Not meant for general override
buffer_previewer_maker = require'telescope.previewers'.buffer_previewer_maker
@@ -424,18 +424,18 @@ Built-in functions. Ready to be bound to any key you like. :smile:
| Previewers | Description |
|------------------------------------|-----------------------------------------------------------------|
| `previewers.cat.new` | Default previewer for files. Uses `cat`/`bat` |
| `previewers.vimgrep.new` | Default previewer for grep and similar. Uses `cat`/`bat` |
| `previewers.qflist.new` | Default previewer for qflist. Uses `cat`/`bat` |
| `previewers.vim_buffer_cat.new` | Experimental previewer for files. Uses vim buffers |
| `previewers.vim_buffer_vimgrep.new`| Experimental previewer for grep and similar. Uses vim buffers |
| `previewers.vim_buffer_qflist.new` | Experimental previewer for qflist. Uses vim buffers |
| `previewers.cat.new` (deprecated) | Default previewer for files. Uses `cat`/`bat` |
| `previewers.vimgrep.new` (deprecated) | Default previewer for grep and similar. Uses `cat`/`bat` |
| `previewers.qflist.new` (deprecated) | Default previewer for qflist. Uses `cat`/`bat` |
| .................................. | Your next awesome previewer here :D |
By default, telescope.nvim uses `cat`/`bat` for preview. However after telescope's new experimental previewers
are stable this will change. The new experimental previewers use tree-sitter and vim buffers, provide much
better performance and are ready for daily usage, but there might be cases where it can't detect a Filetype
correctly, thus leading to wrong highlights. This is because we can't determine the filetype in the traditional way
The default previewers are from now on `vim_buffer_` previewers. They use vim buffers for displaying files
and use tree-sitter or regex for file highlighting.
These previewers are guessing the filetype of the selected file, so there might be cases where it misses,
thus leading to wrong highlights. This is because we can't determine the filetype in the traditional way
(we don't do `bufload`. We read the file async with `vim.loop.fs_` and attach only a highlighter), because we can't
execute autocommands, otherwise the speed of the previewer would slow down considerably.
If you want to configure more filetypes take a look at