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docs: update FAQ snippets containing quit command. (#1417)

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Ali Rezvani 2024-05-14 19:09:02 +03:30 committed by GitHub
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@ -150,6 +150,24 @@ autocmd VimEnter * if argc() == 1 && isdirectory(argv()[0]) && !exists('s:std_in
### How can I close Vim or a tab automatically when NERDTree is the last window?
Because of the changes in how Vim handles its `autocmd` and layout locking `quit` command is no longer available in Vim9 auto commands, Depending on which version you're running select one of these solutions.
__NeoVim users should be able to choose either one of them!__
#### Vim9
```vim
" Exit Vim if NERDTree is the only window remaining in the only tab.
autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | call feedkeys(":quit\<CR>:\<BS>") | endif
```
---
```vim
" Close the tab if NERDTree is the only window remaining in it.
autocmd BufEnter * if winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | call feedkeys(":quit\<CR>:\<BS>") | endif
```
#### Vim8 or older
```vim
" Exit Vim if NERDTree is the only window remaining in the only tab.
autocmd BufEnter * if tabpagenr('$') == 1 && winnr('$') == 1 && exists('b:NERDTree') && b:NERDTree.isTabTree() | quit | endif