Basic nvim config without plugins for tutorials in CoCalc

init.vim

syntax on
set number       "Show numbers
set tabstop=2    "Tabulator size is 2 spaces
set shiftwidth=2 "Every 2 spaces is a tabulator
set expandtab    "Convert tabulator to spaces
set autoindent
set mouse=a      "Enable mouse
set undofile     "Enable undo history
set undodir=~/.config/nvim/undo "set undo file

"Set <leader> == <space>
let mapleader = " "

"CoCalc fix
map <leader>w <c-w>

"Remove highlight
map <leader>h :noh<CR>

"Delete small word and big word
map <leader>d diw
map <leader>D diW

"Change ^ to 00
nmap <leader>0 ^

"Move blocks code up/down
nmap <A-j> :m .+1<CR>==
nmap <A-k> :m .-2<CR>==
imap <A-j> <Esc>:m .+1<CR>==gi
imap <A-k> <Esc>:m .-2<CR>==gi
vmap <A-k> :m '<-2<CR>gv=gv
vmap <A-j> :m '>+1<CR>gv=gv

"Save file changes
nmap <c-s> :w<CR>
imap <c-s> <ESC>:w<CR>a

"Move focus buffer
map <C-h> <C-w>h
map <C-k> <C-w>k
map <C-j> <C-w>j
map <C-l> <C-w>l
"Move focus but with leader key
map <leader>h <C-w>h
map <leader>k <C-w>k
map <leader>j <C-w>j
map <leader>l <C-w>l

"Normal mode in shell
tnoremap <esc><esc> <C-\><C-n>

"Move from shell to other buffer
tnoremap <C-w>h <C-\><C-n><C-w>h<CR>
tnoremap <C-w>k <C-\><C-n><C-w>k<CR>
tnoremap <C-w>j <C-\><C-n><C-w>j<CR>
tnoremap <C-w>l <C-\><C-n><C-w>l<CR>

"Move over tabs
map <S-l> gt
map <S-h> gT

"Move position tabs
map <A-l> :tabmove +1<CR>
map <A-h> :tabmove -1<CR>

"Search selected visual: Not supported by CoCalc Neovim
"map <C-n> viw*
"map <C-space> viw*

"Search word
vmap <C-n> *
vmap <C-space>n *

"Hide numbers in shell Insert Mode
autocmd TermEnter * setlocal nonumber norelativenumber

"Show numbers in shell Visual Mode
autocmd TermLeave * setlocal number

"Prevent yank when paste code
vnoremap p "_dP

"Indent code blocks in Visual Mode
xnoremap > >gv
xnoremap < <gv

"colorscheme darkblue
imap <c-space> <c-n>