init.vim

"--------- GETTING STARTED ---------
" This is my NeoVim Configuration
" =================================
" | NeoVim Version	| v0.11.2
" | Plugin Manager	| vim-plug
"-----------------------------------

"------------ OPTIONS --------------
set number
set relativenumber
set tabstop=4
set shiftwidth=4
set smartindent
set smarttab
set cursorline
set mouse=a
set clipboard=unnamedplus
set splitright
set splitbelow
set ignorecase
set smartcase
set incsearch
set hlsearch
set noswapfile
filetype off
syntax on
if has('termguicolors')
	set termguicolors
endif
"------------- KEYMAPS -------------
let mapleader = " "
" | Save File
nnoremap <C-s> :w<CR>
inoremap <C-s> <Esc>:w<CR>gi
" | Quit
nnoremap <C-q> :q<CR>
" | Select All
nnoremap <C-a> ggVG
" | Undo
nnoremap <C-z> u
" | Redo
nnoremap <C-y> <C-r>
" | Go To Line
nnoremap <C-g> :call GoToLine()<CR>

function! GoToLine()
  let l:line = input('Go to line: ')
  if l:line =~ '^\d\+$'
    execute 'normal!' l:line . 'Gzz'
  else
    echo "Invalid line number"
  endif
endfunction
" | Switch Between Tabs
nnoremap <leader><Right> :tabnext<CR>
inoremap <leader><Left> :tabprevious<CR>
"----------- ADDITIONAL ------------
autocmd VimEnter * intro
"------------- PLUGINS -------------
let g:loaded_netrw=1
let g:loaded_netrwPlugin=1
call plug#begin()
"---------- CODE EDITOR ------------
Plug 'scrooloose/nerdtree'
Plug 'scrooloose/nerdcommenter'
Plug 'neoclide/coc.nvim', {'branch': 'release'}
"------------- THEMES --------------
Plug 'ryanoasis/vim-devicons'
Plug 'vim-airline/vim-airline'
Plug 'vim-airline/vim-airline-themes'
"-----------------------------------
Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
Plug 'junegunn/fzf.vim'
Plug 'liuchengxu/vim-which-key'
call plug#end()
"-- KEY BINDINGS AND CONFIGURATION -
" leader is <space>
"-----------------------------------
" | NerdTree
let g:NERDTreeGitStatusWithFlags=1
let g:WebDevIconsUnicodeDecorateFolderNodes=1
let g:NERDTreeGitStatusNodeColorization=1
let g:NERDTreeMinimalUI=0
" | Auto Close NERDTree
autocmd bufenter * if (winnr("$") == 1 && exists("b:NERDTree") && b:NERDTree.isTabTree()) | q | endif
" | Open/Close -> space + b
nnoremap <leader>b :NERDTreeToggle<CR>
" | Reveal Current File -> space + br
nnoremap <leader>br :NERDTreeFind<CR>
" | Focus -> space + bf
nnoremap <leader>bf :NERDTreeFocus<CR>
" | Get Back To Editor
nnoremap <leader>bu <C-w>l<CR>
"-----------------------------------
" | DevIcons
set encoding=UTF-8
"-----------------------------------
" | NerdCommenter
let g:NERDCreateDefaultMappings = 1
" | comment out the current line 	| <leader>cc
" | uncomment the current line 		| <leader>c<space>
let g:NERDSpaceDelims = 1
let g:NERDCompactSexyComs = 1
let g:NERDDefaultAlign = 'left'
" | Fuzzy Finder
function! FilesCurrentDirectory()
  call fzf#vim#files(expand('%:p:h'), fzf#vim#with_preview(), 0)
endfunction
function! RgCurrentBuffer()
  let l:tempfile = tempname()
  execute 'w! ' . l:tempfile
  call fzf#vim#grep(
        \ 'rg --column --line-number --no-heading --color=always --smart-case "" ' . shellescape(l:tempfile),
        \ 1,
        \ fzf#vim#with_preview({'dir': ''}),
        \ 0)
endfunction
" | Find Files
nnoremap <C-p> :call FilesCurrentDirectory()<CR>
" | Find in Files
nnoremap <leader>f :call RgCurrentBuffer()<CR>
" | Switch Between Open Buffers
nnoremap <leader>bb :Buffers<CR>
" | View Command History
nnoremap <leader>hh :History<CR>
" | WhichKey
" | timeout, by default it set to 1600ms
nnoremap <silent> <leader> :WhichKey '<Space>'<CR>
set timeoutlen=500
" | Conquer of Completion
set hidden
set cmdheight=2
set updatetime=100
set shortmess+=c
set signcolumn=yes
inoremap <silent><expr> <TAB>
			\ pumvisible() ? "\<C-n>" :
			\ <SID>check_back_space() ? "\<TAB>" :
			\ coc#refresh()
inoremap <expr><S-TAB> pumvisible() ? "\<C-p>" : "\<C-h>"
function! s:check_back_space() abort
	let col = col('.') - 1
	return !col || getline('.')[col - 1]  =~# '\s'
endfunction
" | show documentation
nnoremap <silent> K :call <SID>show_documentation()<CR>

function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  elseif (coc#rpc#ready())
    call CocActionAsync('doHover')
  else
    execute '!' . &keywordprg . " " . expand('<cword>')
  endif
endfunction
"-----------------------------------