My vimrc

.vimrc

"=======================================================================
" Plugin
"=======================================================================
call plug#begin('~/.vim/plugged')
" colorscheme
Plug 'morhetz/gruvbox'
Plug 'sainnhe/gruvbox-material'

" statusline
Plug 'itchyny/lightline.vim'

" start page
Plug 'mhinz/vim-startify'

" icons
Plug 'ryanoasis/vim-devicons'

" file explorer
Plug 'scrooloose/nerdtree'
Plug 'tiagofumo/vim-nerdtree-syntax-highlight'

" search
Plug 'Yggdroot/LeaderF', { 'do': './install.sh' }

" show indent line
Plug 'Yggdroot/indentLine'

" HTML
Plug 'mattn/emmet-vim'

" comment
Plug 'preservim/nerdcommenter'

" auto pairs
Plug 'jiangmiao/auto-pairs'

Plug 'tpope/vim-surround'
Plug 'tpope/vim-repeat'

" pairs color
Plug 'luochen1990/rainbow'

" markdown
Plug 'iamcco/markdown-preview.nvim', { 'do': 'cd app & yarn install'  }

" strip whitespace
Plug 'ntpeters/vim-better-whitespace'

" code format
Plug 'prettier/vim-prettier'

" JavaScript
Plug 'othree/yajs.vim'
Plug 'othree/es.next.syntax.vim'
Plug 'chemzqm/vim-jsx-improve'

" coc
Plug 'neoclide/coc.nvim', {'branch': 'release'}
Plug 'neoclide/coc-python', {'do': 'yarn install --frozen-lockfile'}
Plug 'neoclide/coc-tsserver', {'do': 'yarn install --frozen-lockfile'}
Plug 'neoclide/coc-java', {'do': 'yarn install --frozen-lockfile'}
Plug 'neoclide/coc-json', {'do': 'yarn install --frozen-lockfile'}

" latex
Plug 'lervag/vimtex'
call plug#end()


"=======================================================================
" theme
"=======================================================================
syntax on
colorscheme gruvbox-material
set termguicolors
set background=dark
set t_Co=256


"=======================================================================
" base
"=======================================================================
set nocompatible                " don't bother with vi compatibility
set history=1000
set autoread                    " reload files when changed on disk
set shortmess=atOI
set wildmenu
set noswapfile
set magic                       " for regular expressions turn magic on
set foldmethod=indent
set foldlevel=99
set backspace=indent,eol,start
set mouse=a
if has("gui_macvim")
  set macmeta                   " use option key as meta key
endif


"=======================================================================
" appearence
"=======================================================================
if has("gui_macvim")
  set guifont=IosevkaNerdFontCompleteM-Medium:h14
endif
set colorcolumn=280             " Highlight Column
set linebreak
set ruler                       " show the current row and column
set noshowmode
set number
set relativenumber
set showcmd                     " display incomplete commands
set showmode                    " display current modes
set showmatch                   " jump to matches when entering parentheses
set matchtime=2                 " tenths of a second to show the matching parenthesis
set laststatus=2
" set cursorcolumn                " may affect the performance
set cursorline
set guioptions=
set formatoptions+=m            " not wait until whitespace to wrap if value of Unicode > 255
set formatoptions+=B            " not add whitespace when merge two lines


"======================================================================
" search
"======================================================================
set hlsearch                    " highlight searches
set incsearch                   " do incremental searching, search as you type
set ignorecase                  " ignore case when searching
set smartcase                   " no ignorecase if Uppercase char present
nnoremap <CR> :noh<CR>


"======================================================================
" indent and tab
"======================================================================
set autoindent
set smartindent
set shiftwidth=2
set tabstop=2
set softtabstop=2               " insert mode tab and backspace use 2 spaces
set smarttab
set expandtab                   " expand tabs to spaces
set shiftround


"======================================================================
" key mapping
"======================================================================
let mapleader = "\<Space>"

nnoremap <m-s> :w<CR>
nnoremap <m-q> :q<CR>

noremap Y "+y

vnoremap < <gv
vnoremap > >gv

noremap H ^
noremap L $

nnoremap <c-j> <c-w>j
nnoremap <c-k> <c-w>k
nnoremap <c-l> <c-w>l
nnoremap <c-h> <c-w>h

noremap [b :bp<CR>
noremap ]b :bn<CR>

inoremap <m-h> <left>
inoremap <m-j> <down>
inoremap <m-k> <up>
inoremap <m-l> <right>

" <leader>+数字键 切换tab
noremap <silent><leader>1 1gt<cr>
noremap <silent><leader>2 2gt<cr>
noremap <silent><leader>3 3gt<cr>
noremap <silent><leader>4 4gt<cr>
noremap <silent><leader>5 5gt<cr>
noremap <silent><leader>6 6gt<cr>
noremap <silent><leader>7 7gt<cr>
noremap <silent><leader>8 8gt<cr>
noremap <silent><leader>9 9gt<cr>
noremap <silent><leader>0 10gt<cr>

" ALT+h/l 快速左右按单词移动（正常模式+插入模式）
noremap <m-h> b
noremap <m-l> w
inoremap <m-h> <c-left>
inoremap <m-l> <c-right>

" ALT+j/k 逻辑跳转下一行/上一行（按 wrap 逻辑换行进行跳转）
noremap <m-j> gj
noremap <m-k> gk
inoremap <m-j> <c-\><c-o>gj
inoremap <m-k> <c-\><c-o>gk


"======================================================================
" filetype
"======================================================================
" python
autocmd FileType python :set tabstop=4 shiftwidth=4 tabstop=4
autocmd BufWinEnter *.py nnoremap <leader>r :w<CR>:!python3 %:p<CR>
" java
autocmd FileType java :set tabstop=4 shiftwidth=4 tabstop=4


"======================================================================
" plugins
"======================================================================
" nerdtree
" ----------------------------------------------------------------------
noremap <C-n> :NERDTreeToggle<CR>


" emmet-vim
" ----------------------------------------------------------------------
let g:user_emmet_settings = {
\    'javascript': {
\        'extends': 'html',
\        'empty_element_suffix': ' />',
\        'snippets': {
\            're': "import React from \"react\"",
\            'f1' : "= (|) => {\n\t|\n}",
\            'f2' : "= (|) => (\n\t|\n)",
\        }
\    },
\}


" nerdcommenter
" ----------------------------------------------------------------------
let g:NERDSpaceDelims = 1


" rainbow
" ----------------------------------------------------------------------
let g:rainbow_active = 1
let g:rainbow_conf = {
\	'guifgs': ['lightblue', 'lightyellow', 'lightcyan', 'lightmagenta'],
\	'ctermfgs': ['lightblue', 'lightyellow', 'lightcyan', 'lightmagenta'],
\    'separately': {
\       'nerdtree': 0
\    }
\}


" markdown-preview
" ----------------------------------------------------------------------
nmap <C-p> <Plug>MarkdownPreview


" vim-prettier
" ----------------------------------------------------------------------
let g:prettier#quickfix_enabled = 0
let g:prettier#config#bracket_spacing = 'true'


" lightline.vim
" ----------------------------------------------------------------------
function! CocCurrentFunction()
    return get(b:, 'coc_current_function', '')
endfunction

let g:lightline = {
      \ 'active': {
      \   'left': [ [ 'mode', 'paste' ],
      \             [ 'cocstatus', 'currentfunction', 'readonly', 'filename', 'modified' ] ]
      \ },
      \ 'component_function': {
      \   'cocstatus': 'coc#status',
      \   'currentfunction': 'CocCurrentFunction'
      \ },
      \ }
autocmd User CocStatusChange,CocDiagnosticChange call lightline#update()


" vimtex
" ----------------------------------------------------------------------
let g:vimtex_view_method = 'skim'


" indentLine
" ----------------------------------------------------------------------
let g:indentLine_fileTypeExclude = ['json']


" LeaderF
" ----------------------------------------------------------------------
let g:Lf_MruFileExclude = ['*.so', '*.exe', '*.py[co]', '*.sw?', '~$*', '*.bak', '*.tmp', '*.dll']
let g:Lf_WindowPosition = 'popup'
let g:Lf_PreviewInPopup = 1
let g:Lf_ShortcutF = "<leader>f"
noremap <leader>b :<C-U><C-R>=printf("Leaderf buffer %s", "")<CR><CR>

noremap <C-B> :<C-U><C-R>=printf("Leaderf! rg --current-buffer -e %s ", expand("<cword>"))<CR>
noremap <C-F> :<C-U><C-R>=printf("Leaderf! rg -e %s ", expand("<cword>"))<CR>

" 使用 ESC 键可以直接退出 leaderf 的 normal 模式
let g:Lf_NormalMap = {
    \ "File":   [["<ESC>", ':exec g:Lf_py "fileExplManager.quit()"<CR>']],
    \ "Buffer": [["<ESC>", ':exec g:Lf_py "bufExplManager.quit()"<cr>']],
    \ "Mru": [["<ESC>", ':exec g:Lf_py "mruExplManager.quit()"<cr>']],
    \ "Tag": [["<ESC>", ':exec g:Lf_py "tagExplManager.quit()"<cr>']],
    \ "BufTag": [["<ESC>", ':exec g:Lf_py "bufTagExplManager.quit()"<cr>']],
    \ "Function": [["<ESC>", ':exec g:Lf_py "functionExplManager.quit()"<cr>']],
    \ }


" coc
" ----------------------------------------------------------------------
inoremap <expr> <Tab> pumvisible() ? "\<C-n>" : "\<Tab>"
inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"
inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm() : "\<C-g>u\<CR>\<c-r>=coc#on_enter()\<CR>"

" show suggest
inoremap <silent><expr> <c-k> coc#refresh()

" navigate diagnostic
nmap <silent> [g <Plug>(coc-diagnostic-prev)
nmap <silent> ]g <Plug>(coc-diagnostic-next)

nmap <silent> gd <Plug>(coc-definition)
nmap <silent> gy <Plug>(coc-type-definition)
nmap <silent> gi <Plug>(coc-implementation)
nmap <silent> gr <Plug>(coc-references)

nnoremap <silent> K :call <SID>show_documentation()<CR>
function! s:show_documentation()
  if (index(['vim','help'], &filetype) >= 0)
    execute 'h '.expand('<cword>')
  else
    call CocAction('doHover')
  endif
endfunction

" Show all diagnostics
nnoremap <silent> <space>e  :<C-u>CocList diagnostics<cr>

" Use `:F` to format current buffer
command! -nargs=0 F :call CocAction('format')