From 9e347d96a862ca7fa1b18e8cb74ea939d5ad014b Mon Sep 17 00:00:00 2001
From: Wang Shidong <wsdjeg@outlook.com>
Date: Mon, 10 Aug 2020 20:39:37 +0800
Subject: [PATCH] Add SPC b s key binding (#3696)

---
 autoload/SpaceVim/mapping/space.vim | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/autoload/SpaceVim/mapping/space.vim b/autoload/SpaceVim/mapping/space.vim
index fd503905c..12c8ed48e 100644
--- a/autoload/SpaceVim/mapping/space.vim
+++ b/autoload/SpaceVim/mapping/space.vim
@@ -6,6 +6,8 @@
 " License: GPLv3
 "=============================================================================
 
+let s:BUF = SpaceVim#api#import('vim#buffer')
+
 let s:file = expand('<sfile>:~')
 let s:funcbeginline =  expand('<slnum>') + 1
 function! SpaceVim#mapping#space#init() abort
@@ -308,6 +310,10 @@ function! SpaceVim#mapping#space#init() abort
         \ ]
         \ ]
         \ , 1)
+  call SpaceVim#mapping#space#def('nnoremap', ['b', 's'], 
+        \ 'call call('
+        \ . string(function('s:switch_scratch_buffer'))
+        \ . ', [])', 'switch-to-scratch-buffer', 1)
   let s:lnum = expand('<slnum>') + 3
   call SpaceVim#mapping#space#def('nnoremap', ['b', 'p'], 'bp', ['previous-buffer',
         \ [
@@ -659,6 +665,14 @@ function! s:create_new_named_tab() abort
   endif
 endfunction
 
+let s:scratch_buffer = -1
+function! s:switch_scratch_buffer() abort
+  if !bufexists(s:scratch_buffer) || !empty(getbufvar(s:scratch_buffer, '&filetype', ''))
+    let s:scratch_buffer = s:BUF.create_buf(1, 1)
+  endif
+  exe 'buffer' s:scratch_buffer
+endfunction
+
 function! s:windows_transient_state() abort
 
   let state = SpaceVim#api#import('transient_state')