use legacy version of fidget for now

It is not needed since nvim 0.9.0

.stylua.toml

@@ -3,4 +3,4 @@ line_endings = "Unix"
 indent_type = "Spaces"
 indent_width = 2
 quote_style = "AutoPreferDouble"
-no_call_parentheses = true
+call_parentheses= "NoSingleTable"

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2018-2022 jdhao
+Copyright (c) 2018-2023 jdhao
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -9,24 +9,27 @@
     <a>
       <img alt="Windows" src="https://img.shields.io/badge/Windows-%23.svg?style=flat-square&logo=windows&color=0078D6&logoColor=white" />
     </a>
-    <a href="https://github.com/jdhao/nvim-config/commits">
-      <img src="https://badgen.net/github/commits/jdhao/nvim-config" alt="Commit number" />
-    </a>
-    <a href="https://github.com/jdhao/nvim-config/network">
-      <img alt="Forks" src="https://badgen.net/github/forks/jdhao/nvim-config">
-    </a>
-    <a href="https://github.com/jdhao/nvim-config/stargazers">
-      <img alt="Stars" src="https://badgen.net/github/stars/jdhao/nvim-config">
-    </a>
     <a href="https://github.com/jdhao/nvim-config/releases/latest">
       <img alt="Latest release" src="https://img.shields.io/github/v/release/jdhao/nvim-config" />
     </a>
     <a href="https://github.com/neovim/neovim/releases/tag/stable">
-      <img src="https://img.shields.io/badge/Neovim-0.7.2-blueviolet.svg?style=flat-square&logo=Neovim&logoColor=green" alt="Neovim minimum version"/>
+      <img src="https://img.shields.io/badge/Neovim-0.9.1-blueviolet.svg?style=flat-square&logo=Neovim&logoColor=green" alt="Neovim minimum version"/>
     </a>
     <a href="https://github.com/jdhao/nvim-config/search?l=vim-script">
       <img src="https://img.shields.io/github/languages/top/jdhao/nvim-config" alt="Top languages"/>
     </a>
+    <a href="https://github.com/jdhao/nvim-config/graphs/commit-activity">
+      <img src="https://img.shields.io/github/commit-activity/m/jdhao/nvim-config?style=flat-square" />
+    </a>
+    <a href="https://github.com/jdhao/nvim-config/releases/tag/v0.9.1">
+      <img src="https://img.shields.io/github/commits-since/jdhao/nvim-config/v0.9.1?style=flat-square" />
+    </a>
+    <a href="https://github.com/jdhao/nvim-config/graphs/contributors">
+      <img src="https://img.shields.io/github/contributors/jdhao/nvim-config?style=flat-square" />
+    </a>
+    <a>
+      <img src="https://img.shields.io/github/repo-size/jdhao/nvim-config?style=flat-square" />
+    </a>
     <a href="https://github.com/jdhao/nvim-config/blob/master/LICENSE">
       <img src="https://img.shields.io/github/license/jdhao/nvim-config?style=flat-square&logo=GNU&label=License" alt="License"/>
     </a>
@@ -58,7 +61,7 @@ and how to set up on different platforms (Linux, macOS, and Windows).
 + Code, snippet, word auto-completion via [nvim-cmp](https://github.com/hrsh7th/nvim-cmp).
 + Language server protocol (LSP) support via [nvim-lspconfig](https://github.com/neovim/nvim-lspconfig).
 + Git integration via [vim-fugitive](https://github.com/tpope/vim-fugitive).
-+ Better escaping from insert mode via [better-escape.vim](https://github.com/jdhao/better-escape.vim).
++ Better escaping from insert mode via [better-escape.vim](https://github.com/nvim-zh/better-escape.vim).
 + Ultra-fast project-wide fuzzy searching via [LeaderF](https://github.com/Yggdroot/LeaderF).
 + Faster code commenting via [vim-commentary](https://github.com/tpope/vim-commentary).
 + Faster matching pair insertion and jump via [delimitMate](https://github.com/Raimondi/delimitMate).
@@ -66,7 +69,7 @@ and how to set up on different platforms (Linux, macOS, and Windows).
 + Fast buffer jump via [hop.nvim](https://github.com/phaazon/hop.nvim).
 + Powerful snippet insertion via [Ultisnips](https://github.com/SirVer/ultisnips).
 + Beautiful statusline via [lualine.nvim](https://github.com/nvim-lualine/lualine.nvim).
-+ File tree explorer via [nvim-tree.lua](https://github.com/kyazdani42/nvim-tree.lua).
++ File tree explorer via [nvim-tree.lua](https://github.com/nvim-tree/nvim-tree.lua).
 + Better quickfix list with [nvim-bqf](https://github.com/kevinhwang91/nvim-bqf).
 + Show search index and count with [nvim-hlslens](https://github.com/kevinhwang91/nvim-hlslens).
 + Command line auto-completion via [wilder.nvim](https://github.com/gelguy/wilder.nvim).
@@ -75,10 +78,9 @@ and how to set up on different platforms (Linux, macOS, and Windows).
 + Code highlighting via [nvim-treesitter](https://github.com/nvim-treesitter/nvim-treesitter).
 + Code editing using true nvim inside browser via [firenvim](https://github.com/glacambre/firenvim).
 + Beautiful colorscheme via [sainnhe/gruvbox-material](https://github.com/sainnhe/gruvbox-material) and other colorschemes.
-+ Markdown writing and previewing via [vim-markdown](https://github.com/plasticboy/vim-markdown) and [markdown-preview.nvim](https://github.com/iamcco/markdown-preview.nvim).
-+ LaTeX editing and previewing via [vimtex](https://github.com/lervag/vimtex) <sup id="a1">[1](#f1)</sup>.
++ Markdown writing and previewing via [vim-markdown](https://github.com/preservim/vim-markdown) and [markdown-preview.nvim](https://github.com/iamcco/markdown-preview.nvim).
++ LaTeX editing and previewing via [vimtex](https://github.com/lervag/vimtex)
 + Animated GUI style notification via [nvim-notify](https://github.com/rcarriga/nvim-notify).
-+ Smooth scroll experience via [neoscroll](https://github.com/karb94/neoscroll.nvim).
 + Tags navigation via [vista](https://github.com/liuchengxu/vista.vim).
 + Code formatting via [Neoformat](https://github.com/sbdchd/neoformat).
 + Undo management via [vim-mundo](https://github.com/simnalamburt/vim-mundo)
@@ -167,6 +169,8 @@ Some of the shortcuts I use frequently are listed here. In the following shortcu
 | `<leader>gc`      | Normal        | Linux/macOS/Win | Run git commit                                                           |
 | `<leader>gpl`     | Normal        | Linux/macOS/Win | Run git pull                                                             |
 | `<leader>gpu`     | Normal        | Linux/macOS/Win | Run git push                                                             |
+| `<leader>gl`      | Normal/Visual | Linux/macOS/Win | Get perm link for current/visually-select lines
+| `<leader>gb`      | Normal        | macOS           | Browse current git repo in browser
 | `<F9>`            | Normal        | Linux/macOS/Win | Compile&run current source file (for C++, LaTeX, Lua, Python)            |
 | `<F11>`           | Normal        | Linux/macOS/Win | Toggle spell checking                                                    |
 | `<F12>`           | Normal        | Linux/macOS/Win | Toggle paste mode                                                        |
@@ -212,5 +216,3 @@ You may also be interested in my posts on configuring Nvim:
 + [Config nvim on Linux for Python development](https://jdhao.github.io/2018/12/24/centos_nvim_install_use_guide_en/)
 + [Nvim config on Windows 10](https://jdhao.github.io/2018/11/15/neovim_configuration_windows/)
 + [Nvim-qt config on Windows 10](https://jdhao.github.io/2019/01/17/nvim_qt_settings_on_windows/)
-
-<b id="f1">1:</b> Not enabled for Linux, you need to tweak [`lua/plugins.lua`](lua/plugins.lua) and change the condition for installing vimtex.[↩](#a1)

after/ftplugin/cpp.vim

@@ -1,10 +1,5 @@
 set commentstring=//\ %s
 
-set tabstop=2       " number of visual spaces per TAB
-set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=2    " number of spaces to use for autoindent
-set expandtab       " expand tab to spaces so that tabs are spaces
-
 " Disable inserting comment leader after hitting o or O or <Enter>
 set formatoptions-=o
 set formatoptions-=r

after/ftplugin/gitconfig.vim

@@ -0,0 +1 @@
+set commentstring=#\ %s

after/ftplugin/javascript.vim

@@ -1,8 +1,3 @@
 " Disable inserting comment leader after hitting o or O or <Enter>
 set formatoptions-=o
 set formatoptions-=r
-
-set tabstop=2       " number of visual spaces per TAB
-set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=2    " number of spaces to use for autoindent
-set expandtab       " expand tab to spaces so that tabs are spaces

after/ftplugin/json.vim

@@ -0,0 +1,6 @@
+" let the initial folding state be that all folds are closed.
+set foldlevel=0
+
+" Use nvim-treesitter for folding
+set foldmethod=expr
+set foldexpr=nvim_treesitter#foldexpr()

after/ftplugin/lua.vim

@@ -2,12 +2,7 @@
 set formatoptions-=o
 set formatoptions-=r
 
-set tabstop=2       " number of visual spaces per TAB
-set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=2    " number of spaces to use for autoindent
-set expandtab       " expand tab to spaces so that tabs are spaces
-
-nnoremap <silent> <F9> :luafile %<CR>
+nnoremap <buffer><silent> <F9> :luafile %<CR>
 
 " For delimitMate
 let b:delimitMate_matchpairs = "(:),[:],{:}"

after/ftplugin/python.vim

@@ -8,5 +8,10 @@ set sidescroll=5
 set sidescrolloff=2
 set colorcolumn=100
 
+set tabstop=4       " number of visual spaces per TAB
+set softtabstop=4   " number of spaces in tab when editing
+set shiftwidth=4    " number of spaces to use for autoindent
+set expandtab       " expand tab to spaces so that tabs are spaces
+
 " For delimitMate
 let b:delimitMate_matchpairs = "(:),[:],{:}"

after/ftplugin/sql.vim

@@ -0,0 +1 @@
+set commentstring=--\ %s

after/ftplugin/toml.vim

@@ -1,4 +0,0 @@
-set tabstop=2       " number of visual spaces per TAB
-set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=2    " number of spaces to use for autoindent
-set expandtab       " expand tab to spaces so that tabs are spaces

after/ftplugin/vim.vim

@@ -12,9 +12,4 @@ set foldmethod=expr foldexpr=utils#VimFolds(v:lnum) foldtext=utils#MyFoldText()
 " see `:h K` and https://stackoverflow.com/q/15867323/6064933
 set keywordprg=:help
 
-set tabstop=2       " number of visual spaces per TAB
-set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=2    " number of spaces to use for autoindent
-set expandtab       " expand tab to spaces so that tabs are spaces
-
-nnoremap <silent> <F9> :source %<CR>
+nnoremap <buffer><silent> <F9> :source %<CR>

after/ftplugin/yaml.vim

@@ -1,8 +1,3 @@
-set tabstop=2       " number of visual spaces per TAB
-set softtabstop=2   " number of spaces in tab when editing
-set shiftwidth=2    " number of spaces to use for autoindent
-set expandtab       " expand tab to spaces so that tabs are spaces
-
 " Turn off syntax highlighting for large YAML files.
 if line('$') > 500
   setlocal syntax=OFF

core/colorschemes.lua

@@ -1,23 +1,25 @@
 --- This module will load a random colorscheme on nvim startup process.
 
-local utils = require('utils')
+local utils = require("utils")
 
 local M = {}
 
 -- Colorscheme to its directory name mapping, because colorscheme repo name is not necessarily
 -- the same as the colorscheme name itself.
 M.colorscheme2dir = {
-  gruvbox8 = "vim-gruvbox8",
-  onedark = 'onedark.nvim',
-  edge = 'edge',
-  sonokai = 'sonokai',
-  gruvbox_material = 'gruvbox-material',
-  nord = 'nord.nvim',
-  doom_one = 'doom-one.nvim',
-  everforest = 'everforest',
-  nightfox = 'nightfox.nvim',
-  kanagawa = 'kanagawa.nvim',
-  catppuccin = 'catppuccin'
+  onedark = "onedark.nvim",
+  edge = "edge",
+  sonokai = "sonokai",
+  gruvbox_material = "gruvbox-material",
+  nord = "nord.nvim",
+  everforest = "everforest",
+  nightfox = "nightfox.nvim",
+  kanagawa = "kanagawa.nvim",
+  catppuccin = "catppuccin",
+  rose_pine = "rose-pine",
+  onedarkpro = "onedarkpro.nvim",
+  monokai = "monokai.nvim",
+  material = "material.nvim",
 }
 
 M.gruvbox8 = function()
@@ -28,57 +30,59 @@ M.gruvbox8 = function()
   vim.g.gruvbox_filetype_hi_groups = 1
   vim.g.gruvbox_plugin_hi_groups = 1
 
-  vim.cmd [[colorscheme gruvbox8_hard]]
+  vim.cmd([[colorscheme gruvbox8_hard]])
 end
 
 M.onedark = function()
-  vim.cmd [[colorscheme onedark]]
+  vim.cmd([[colorscheme onedark]])
 end
 
 M.edge = function()
   vim.g.edge_enable_italic = 1
   vim.g.edge_better_performance = 1
 
-  vim.cmd [[colorscheme edge]]
+  vim.cmd([[colorscheme edge]])
 end
 
 M.sonokai = function()
   vim.g.sonokai_enable_italic = 1
   vim.g.sonokai_better_performance = 1
 
-  vim.cmd [[colorscheme sonokai]]
+  vim.cmd([[colorscheme sonokai]])
 end
 
 M.gruvbox_material = function()
+  -- foreground option can be material, mix, or original
+  vim.g.gruvbox_material_foreground = "material"
+  --background option can be hard, medium, soft
+  vim.g.gruvbox_material_background = "soft"
   vim.g.gruvbox_material_enable_italic = 1
   vim.g.gruvbox_material_better_performance = 1
 
-  vim.cmd [[colorscheme gruvbox-material]]
+  vim.cmd([[colorscheme gruvbox-material]])
 end
 
 M.nord = function()
-  vim.cmd [[colorscheme nord]]
+  vim.cmd([[colorscheme nord]])
 end
 
 M.doom_one = function()
-
-  vim.cmd [[colorscheme doom-one]]
+  vim.cmd([[colorscheme doom-one]])
 end
 
 M.everforest = function()
   vim.g.everforest_enable_italic = 1
   vim.g.everforest_better_performance = 1
 
-  vim.cmd [[colorscheme everforest]]
+  vim.cmd([[colorscheme everforest]])
 end
 
 M.nightfox = function()
-  vim.cmd [[colorscheme nordfox]]
+  vim.cmd([[colorscheme nordfox]])
 end
 
-
 M.kanagawa = function()
-  vim.cmd [[colorscheme kanagawa]]
+  vim.cmd([[colorscheme kanagawa]])
 end
 
 M.catppuccin = function()
@@ -87,17 +91,40 @@ M.catppuccin = function()
 
   require("catppuccin").setup()
 
-  vim.cmd [[colorscheme catppuccin]]
+  vim.cmd([[colorscheme catppuccin]])
 end
 
+M.rose_pine = function()
+  require('rose-pine').setup({
+    --- @usage 'main' | 'moon'
+    dark_variant = 'moon',
+  })
+
+  -- set colorscheme after options
+  vim.cmd('colorscheme rose-pine')
+end
+
+M.onedarkpro = function()
+  -- set colorscheme after options
+  vim.cmd('colorscheme onedark_vivid')
+end
+
+M.monokai = function()
+  vim.cmd('colorscheme monokai_pro')
+end
+
+M.material = function ()
+  vim.g.material_style = "oceanic"
+  vim.cmd('colorscheme material')
+end
 
 --- Use a random colorscheme from the pre-defined list of colorschemes.
-M.rand_colorscheme = function ()
+M.rand_colorscheme = function()
   local colorscheme = utils.rand_element(vim.tbl_keys(M.colorscheme2dir))
 
   if not vim.tbl_contains(vim.tbl_keys(M), colorscheme) then
     local msg = "Invalid colorscheme: " .. colorscheme
-    vim.notify(msg, vim.log.levels.ERROR, { title = 'nvim-config' })
+    vim.notify(msg, vim.log.levels.ERROR, { title = "nvim-config" })
 
     return
   end
@@ -107,7 +134,7 @@ M.rand_colorscheme = function ()
 
   if not status then
     local msg = string.format("Colorscheme %s is not installed. Run PackerSync to install.", colorscheme)
-    vim.notify(msg, vim.log.levels.ERROR, { title = 'nvim-config' })
+    vim.notify(msg, vim.log.levels.ERROR, { title = "nvim-config" })
 
     return
   end
@@ -115,10 +142,10 @@ M.rand_colorscheme = function ()
   -- Load the colorscheme and its settings
   M[colorscheme]()
 
-  if vim.g.logging_level == 'debug' then
+  if vim.g.logging_level == "debug" then
     local msg = "Colorscheme: " .. colorscheme
 
-    vim.notify(msg, vim.log.levels.DEBUG, { title = 'nvim-config' })
+    vim.notify(msg, vim.log.levels.DEBUG, { title = "nvim-config" })
   end
 end
 

core/globals.lua

@@ -0,0 +1,75 @@
+local fn = vim.fn
+local api = vim.api
+
+local utils = require('utils')
+
+-- Inspect something
+function _G.inspect(item)
+  vim.print(item)
+end
+
+------------------------------------------------------------------------
+--                          custom variables                          --
+------------------------------------------------------------------------
+vim.g.is_win = (utils.has("win32") or utils.has("win64")) and true or false
+vim.g.is_linux = (utils.has("unix") and (not utils.has("macunix"))) and true or false
+vim.g.is_mac  = utils.has("macunix") and true or false
+
+vim.g.logging_level = "info"
+
+------------------------------------------------------------------------
+--                         builtin variables                          --
+------------------------------------------------------------------------
+vim.g.loaded_perl_provider = 0  -- Disable perl provider
+vim.g.loaded_ruby_provider = 0  -- Disable ruby provider
+vim.g.loaded_node_provider = 0  -- Disable node provider
+vim.g.did_install_default_menus = 1  -- do not load menu
+
+if utils.executable('python3') then
+  if vim.g.is_win then
+    vim.g.python3_host_prog = fn.substitute(fn.exepath("python3"), ".exe$", '', 'g')
+  else
+    vim.g.python3_host_prog = fn.exepath("python3")
+  end
+else
+  api.nvim_err_writeln("Python3 executable not found! You must install Python3 and set its PATH correctly!")
+  return
+end
+
+-- Custom mapping <leader> (see `:h mapleader` for more info)
+vim.g.mapleader = ','
+
+-- Enable highlighting for lua HERE doc inside vim script
+vim.g.vimsyn_embed = 'l'
+
+-- Use English as main language
+vim.cmd [[language en_US.UTF-8]]
+
+-- Disable loading certain plugins
+
+-- Whether to load netrw by default, see https://github.com/bling/dotvim/issues/4
+vim.g.loaded_netrw       = 1
+vim.g.loaded_netrwPlugin = 1
+vim.g.netrw_liststyle = 3
+if vim.g.is_win then
+  vim.g.netrw_http_cmd = "curl --ssl-no-revoke -Lo"
+end
+
+-- Do not load tohtml.vim
+vim.g.loaded_2html_plugin = 1
+
+-- Do not load zipPlugin.vim, gzip.vim and tarPlugin.vim (all these plugins are
+-- related to checking files inside compressed files)
+vim.g.loaded_zipPlugin = 1
+vim.g.loaded_gzip = 1
+vim.g.loaded_tarPlugin = 1
+
+-- Do not load the tutor plugin
+vim.g.loaded_tutor_mode_plugin = 1
+
+-- Do not use builtin matchit.vim and matchparen.vim since we use vim-matchup
+vim.g.loaded_matchit = 1
+vim.g.loaded_matchparen = 1
+
+-- Disable sql omni completion, it is broken.
+vim.g.loaded_sql_completion = 1

core/globals.vim

@@ -1,77 +0,0 @@
-"{ Global Variable
-"{{ Custom variables
-let g:is_win = (has('win32') || has('win64')) ? v:true : v:false
-let g:is_linux = (has('unix') && !has('macunix')) ? v:true : v:false
-let g:is_mac = has('macunix') ? v:true : v:false
-let g:logging_level = 'info'
-"}}
-
-"{{ Builtin variables
-" Disable perl provider
-let g:loaded_perl_provider = 0
-
-" Disable ruby provider
-let g:loaded_ruby_provider = 0
-
-" Disable node provider
-let g:loaded_node_provider = 0
-
-let g:did_install_default_menus = 1  " do not load menu
-
-" Path to Python 3 interpreter (must be an absolute path), make startup
-" faster. See https://neovim.io/doc/user/provider.html.
-if executable('python')
-   if g:is_win
-    let g:python3_host_prog=substitute(exepath('python'), '.exe$', '', 'g')
-  elseif g:is_linux || g:is_mac
-    let g:python3_host_prog=exepath('python')
-  endif
-else
-  echoerr 'Python 3 executable not found! You must install Python 3 and set its PATH correctly!'
-endif
-
-" Custom mapping <leader> (see `:h mapleader` for more info)
-let g:mapleader = ','
-
-" Enable highlighting for lua HERE doc inside vim script
-let g:vimsyn_embed = 'l'
-
-" Use English as main language
-if !g:is_mac
-  language en_US.utf-8
-endif
-
-" use filetype.lua instead of filetype.vim
-let g:do_filetype_lua = 1
-let g:did_load_filetypes = 0
-"}}
-
-"{{ Disable loading certain plugins
-" Whether to load netrw by default, see
-" https://github.com/bling/dotvim/issues/4
-let g:loaded_netrw       = 1
-let g:loaded_netrwPlugin = 1
-let g:netrw_liststyle = 3
-if g:is_win
-  let g:netrw_http_cmd = 'curl --ssl-no-revoke -Lo'
-endif
-
-" Do not load tohtml.vim
-let g:loaded_2html_plugin = 1
-
-" Do not load zipPlugin.vim, gzip.vim and tarPlugin.vim (all these plugins are
-" related to checking files inside compressed files)
-let g:loaded_zipPlugin = 1
-let loaded_gzip = 1
-let g:loaded_tarPlugin = 1
-
-let g:loaded_tutor_mode_plugin = 1  " do not load the tutor plugin
-
-" Do not use builtin matchit.vim and matchparen.vim since we use vim-matchup
-let g:loaded_matchit = 1
-let g:loaded_matchparen = 1
-"}}
-
-" Disable sql omni completion, it is broken.
-let g:loaded_sql_completion = 1
-"}

core/mappings.lua

@@ -1,79 +1,41 @@
 local keymap = vim.keymap
 local api = vim.api
+local uv = vim.loop
 
 -- Save key strokes (now we do not need to press shift to enter command mode).
 keymap.set({ "n", "x" }, ";", ":")
 
 -- Turn the word under cursor to upper case
--- inoremap <c-u> <Esc>viwUea
 keymap.set("i", "<c-u>", "<Esc>viwUea")
 
 -- Turn the current word into title case
--- inoremap <c-t> <Esc>b~lea
-keymap.set("i", "<c-u>", "<Esc>b~lea")
+keymap.set("i", "<c-t>", "<Esc>b~lea")
 
 -- Paste non-linewise text above or below current line, see https://stackoverflow.com/a/1346777/6064933
-keymap.set("n", "<leader>p", "m`o<ESC>p``", {
-  desc = "paste below current line",
-})
-keymap.set("n", "<leader>P", "m`O<ESC>p``", {
-  desc = "paste above current line",
-})
+keymap.set("n", "<leader>p", "m`o<ESC>p``", { desc = "paste below current line" })
+keymap.set("n", "<leader>P", "m`O<ESC>p``", { desc = "paste above current line" })
 
 -- Shortcut for faster save and quit
-keymap.set("n", "<leader>w", "<cmd>update<cr>", {
-  silent = true,
-  desc = "save buffer",
-})
+keymap.set("n", "<leader>w", "<cmd>update<cr>", { silent = true, desc = "save buffer" })
 
 -- Saves the file if modified and quit
-keymap.set("n", "<leader>q", "<cmd>x<cr>", {
-  silent = true,
-  desc = "quit current window",
-})
+keymap.set("n", "<leader>q", "<cmd>x<cr>", { silent = true, desc = "quit current window" })
 
 -- Quit all opened buffers
-keymap.set("n", "<leader>Q", "<cmd>qa!<cr>", {
-  silent = true,
-  desc = "quit nvim",
-})
+keymap.set("n", "<leader>Q", "<cmd>qa!<cr>", { silent = true, desc = "quit nvim" })
 
 -- Navigation in the location and quickfix list
-keymap.set("n", "[l", "<cmd>lprevious<cr>zv", {
-  silent = true,
-  desc = "previous location item",
-})
-keymap.set("n", "]l", "<cmd>lnext<cr>zv", {
-  silent = true,
-  desc = "next location item",
-})
+keymap.set("n", "[l", "<cmd>lprevious<cr>zv", { silent = true, desc = "previous location item" })
+keymap.set("n", "]l", "<cmd>lnext<cr>zv", { silent = true, desc = "next location item" })
 
-keymap.set("n", "[L", "<cmd>lfirst<cr>zv", {
-  silent = true,
-  desc = "first location item",
-})
-keymap.set("n", "]L", "<cmd>llast<cr>zv", {
-  silent = true,
-  desc = "last location item",
-})
+keymap.set("n", "[L", "<cmd>lfirst<cr>zv", { silent = true, desc = "first location item" })
+keymap.set("n", "]L", "<cmd>llast<cr>zv", { silent = true, desc = "last location item" })
 
-keymap.set("n", "[q", "<cmd>cprevious<cr>zv", {
-  silent = true,
-  desc = "previous qf item",
-})
-keymap.set("n", "]q", "<cmd>cnext<cr>zv", {
-  silent = true,
-  desc = "next qf item",
-})
+keymap.set("n", "[q", "<cmd>cprevious<cr>zv", { silent = true, desc = "previous qf item" })
+keymap.set("n", "]q", "<cmd>cnext<cr>zv", { silent = true, desc = "next qf item" })
 
-keymap.set("n", "[Q", "<cmd>cfirst<cr>zv", {
-  silent = true,
-  desc = "first qf item",
-})
-keymap.set("n", "]Q", "<cmd>clast<cr>zv", {
-  silent = true,
-  desc = "last qf item",
-})
+keymap.set("n", "[Q", "<cmd>cfirst<cr>zv", { silent = true, desc = "first qf item" })
+keymap.set("n", "]Q", "<cmd>clast<cr>zv", { silent = true, desc = "last qf item" })
 
 -- Close location list or quickfix list if they are present, see https://superuser.com/q/355325/736190
 keymap.set("n", [[\x]], "<cmd>windo lclose <bar> cclose <cr>", {
@@ -124,20 +86,18 @@ keymap.set("n", "<leader>ev", "<cmd>tabnew $MYVIMRC <bar> tcd %:h<cr>", {
   desc = "open init.lua",
 })
 
-keymap.set("n", "<leader>sv", "", {
-  silent = true,
-  desc = "reload init.lua",
-  callback = function()
-    vim.cmd [[
+keymap.set("n", "<leader>sv", function()
+  vim.cmd([[
       update $MYVIMRC
       source $MYVIMRC
-    ]]
-    vim.notify("Nvim config successfully reloaded!", vim.log.levels.INFO, { title = "nvim-config" })
-  end,
+    ]])
+  vim.notify("Nvim config successfully reloaded!", vim.log.levels.INFO, { title = "nvim-config" })
+end, {
+  silent = true,
+  desc = "reload init.lua",
 })
 
 -- Reselect the text that has just been pasted, see also https://stackoverflow.com/a/4317090/6064933.
--- nnoremap <expr> <leader>v
 keymap.set("n", "<leader>v", "printf('`[%s`]', getregtype()[0])", {
   expr = true,
   desc = "reselect last pasted area",
@@ -151,20 +111,14 @@ keymap.set("n", "/", [[/\v]])
 
 -- Change current working directory locally and print cwd after that,
 -- see https://vim.fandom.com/wiki/Set_working_directory_to_the_current_file
-keymap.set("n", "<leader>cd", "<cmd>lcd %:p:h<cr><cmd>pwd<cr>", {
-  desc = "change cwd",
-})
+keymap.set("n", "<leader>cd", "<cmd>lcd %:p:h<cr><cmd>pwd<cr>", { desc = "change cwd" })
 
 -- Use Esc to quit builtin terminal
 keymap.set("t", "<Esc>", [[<c-\><c-n>]])
 
 -- Toggle spell checking
-keymap.set("n", "<F11>", "<cmd>set spell!<cr>", {
-  desc = "toggle spell",
-})
-keymap.set("i", "<F11>", "<c-o><cmd>set spell!<cr>", {
-  desc = "toggle spell",
-})
+keymap.set("n", "<F11>", "<cmd>set spell!<cr>", { desc = "toggle spell" })
+keymap.set("i", "<F11>", "<c-o><cmd>set spell!<cr>", { desc = "toggle spell" })
 
 -- Change text without putting it into the vim register,
 -- see https://stackoverflow.com/q/54255/6064933
@@ -174,41 +128,25 @@ keymap.set("n", "cc", '"_cc')
 keymap.set("x", "c", '"_c')
 
 -- Remove trailing whitespace characters
-keymap.set("n", "<leader><space>", "<cmd>StripTrailingWhitespace<cr>", {
-  desc = "remove trailing space",
-})
+keymap.set("n", "<leader><space>", "<cmd>StripTrailingWhitespace<cr>", { desc = "remove trailing space" })
 
 -- check the syntax group of current cursor position
-keymap.set("n", "<leader>st", "<cmd>call utils#SynGroup()<cr>", {
-  desc = "check syntax group",
-})
+keymap.set("n", "<leader>st", "<cmd>call utils#SynGroup()<cr>", { desc = "check syntax group" })
 
 -- Copy entire buffer.
-keymap.set("n", "<leader>y", "<cmd>%yank<cr>", {
-  desc = "yank entire buffer",
-})
+keymap.set("n", "<leader>y", "<cmd>%yank<cr>", { desc = "yank entire buffer" })
 
 -- Toggle cursor column
-keymap.set("n", "<leader>cl", "<cmd>call utils#ToggleCursorCol()<cr>", {
-  desc = "toggle cursor column",
-})
+keymap.set("n", "<leader>cl", "<cmd>call utils#ToggleCursorCol()<cr>", { desc = "toggle cursor column" })
 
 -- Move current line up and down
-keymap.set("n", "<A-k>", '<cmd>call utils#SwitchLine(line("."), "up")<cr>', {
-  desc = "move line up",
-})
-keymap.set("n", "<A-j>", '<cmd>call utils#SwitchLine(line("."), "down")<cr>', {
-  desc = "move line down",
-})
+keymap.set("n", "<A-k>", '<cmd>call utils#SwitchLine(line("."), "up")<cr>', { desc = "move line up" })
+keymap.set("n", "<A-j>", '<cmd>call utils#SwitchLine(line("."), "down")<cr>', { desc = "move line down" })
 
 -- Move current visual-line selection up and down
-keymap.set("x", "<A-k>", '<cmd>call utils#MoveSelection("up")<cr>', {
-  desc = "move selection up",
-})
+keymap.set("x", "<A-k>", '<cmd>call utils#MoveSelection("up")<cr>', { desc = "move selection up" })
 
-keymap.set("x", "<A-j>", '<cmd>call utils#MoveSelection("down")<cr>', {
-  desc = "move selection down",
-})
+keymap.set("x", "<A-j>", '<cmd>call utils#MoveSelection("down")<cr>', { desc = "move selection down" })
 
 -- Replace visual selection with text in register, but not contaminate the register,
 -- see also https://stackoverflow.com/q/10723700/6064933.
@@ -229,66 +167,79 @@ keymap.set("n", "<Up>", "<C-W>k")
 keymap.set("n", "<Down>", "<C-W>j")
 
 -- Text objects for URL
-keymap.set({ "x", "o" }, "iu", "<cmd>call text_obj#URL()<cr>", {
-  desc = "URL text object",
-})
+keymap.set({ "x", "o" }, "iu", "<cmd>call text_obj#URL()<cr>", { desc = "URL text object" })
 
 -- Text objects for entire buffer
-keymap.set({ "x", "o" }, "iB", "<cmd>call text_obj#Buffer()<cr>", {
-  desc = "buffer text object",
-})
+keymap.set({ "x", "o" }, "iB", "<cmd>call text_obj#Buffer()<cr>", { desc = "buffer text object" })
 
 -- Do not move my cursor when joining lines.
-keymap.set("n", "J", "", {
-  desc = "join line",
-  callback = function()
-    vim.cmd [[
+keymap.set("n", "J", function()
+  vim.cmd([[
       normal! mzJ`z
       delmarks z
-    ]]
-  end,
+    ]])
+end, {
+  desc = "join line",
 })
 
-keymap.set("n", "gJ", "mzgJ`z", {
-  desc = "join visual lines",
-  callback = function()
-    -- we must use `normal!`, otherwise it will trigger recursive mapping
-    vim.cmd [[
+keymap.set("n", "gJ", function()
+  -- we must use `normal!`, otherwise it will trigger recursive mapping
+  vim.cmd([[
       normal! zmgJ`z
       delmarks z
-    ]]
-  end
+    ]])
+end, {
+  desc = "join visual lines",
 })
 
 -- Break inserted text into smaller undo units when we insert some punctuation chars.
-local undo_ch = {',', '.', '!', '?', ';', ':'}
+local undo_ch = { ",", ".", "!", "?", ";", ":" }
 for _, ch in ipairs(undo_ch) do
-  keymap.set('i', ch, ch .. '<c-g>u')
+  keymap.set("i", ch, ch .. "<c-g>u")
 end
 
 -- insert semicolon in the end
-keymap.set('i', '<A-;>', '<Esc>miA;<Esc>`ii')
+keymap.set("i", "<A-;>", "<Esc>miA;<Esc>`ii")
 
 -- Keep cursor position after yanking
-keymap.set('n', 'y', 'myy')
+keymap.set("n", "y", "myy")
 
-api.nvim_create_autocmd('TextYankPost', {
-  pattern = '*',
+api.nvim_create_autocmd("TextYankPost", {
+  pattern = "*",
   group = api.nvim_create_augroup("restore_after_yank", { clear = true }),
   callback = function()
-    vim.cmd [[
+    vim.cmd([[
       silent! normal! `y
       silent! delmarks y
-    ]]
-  end
+    ]])
+  end,
 })
 
 -- Go to the beginning and end of current line in insert mode quickly
-keymap.set('i', '<C-A>', '<HOME>')
-keymap.set('i', '<C-E>', '<END>')
+keymap.set("i", "<C-A>", "<HOME>")
+keymap.set("i", "<C-E>", "<END>")
 
 -- Go to beginning of command in command-line mode
-keymap.set('c', '<C-A>', '<HOME>')
+keymap.set("c", "<C-A>", "<HOME>")
 
 -- Delete the character to the right of the cursor
-keymap.set('i', '<C-D>', '<DEL>')
+keymap.set("i", "<C-D>", "<DEL>")
+
+keymap.set("n", "<leader>cb", function()
+  local cnt = 0
+  local blink_times = 7
+  local timer = uv.new_timer()
+
+  timer:start(0, 100, vim.schedule_wrap(function()
+    vim.cmd[[
+      set cursorcolumn!
+      set cursorline!
+    ]]
+
+    if cnt == blink_times then
+      timer:close()
+    end
+
+    cnt = cnt + 1
+  end))
+end)

core/options.vim

@@ -3,10 +3,6 @@ scriptencoding utf-8
 " change fillchars for folding, vertical split, end of buffer, and message separator
 set fillchars=fold:\ ,vert:\│,eob:\ ,msgsep:‾
 
-" Paste mode toggle, it seems that Nvim's bracketed paste mode
-" does not work very well for nvim-qt, so we use good-old paste mode
-set pastetoggle=<F12>
-
 " Split window below/right when creating horizontal/vertical windows
 set splitbelow splitright
 
@@ -44,9 +40,9 @@ set backup  " create backup for files
 set backupcopy=yes  " copy the original file to backupdir and overwrite it
 
 " General tab settings
-set tabstop=4       " number of visual spaces per TAB
-set softtabstop=4   " number of spaces in tab when editing
-set shiftwidth=4    " number of spaces to use for autoindent
+set tabstop=2       " number of visual spaces per TAB
+set softtabstop=2   " number of spaces in tab when editing
+set shiftwidth=2    " number of spaces to use for autoindent
 set expandtab       " expand tab to spaces so that tabs are spaces
 
 " Set matching pairs of characters and highlight matching brackets
@@ -75,6 +71,7 @@ set scrolloff=3
 " Use mouse to select and resize windows, etc.
 set mouse=nic  " Enable mouse in several mode
 set mousemodel=popup  " Set the behaviour of mouse
+set mousescroll=ver:1,hor:6
 
 " Disable showing current mode on command line since statusline plugins can show it.
 set noshowmode
@@ -144,7 +141,7 @@ set formatoptions+=mM
 " Tilde (~) is an operator, thus must be followed by motions like `e` or `w`.
 set tildeop
 
-set synmaxcol=200  " Text after this column number is not highlighted
+set synmaxcol=250  " Text after this column number is not highlighted
 set nostartofline
 
 " External program to use for grep command
@@ -162,7 +159,7 @@ set termguicolors
 " https://github.com/neovim/neovim/wiki/FAQ#how-to-change-cursor-color-in-the-terminal
 set guicursor=n-v-c:block-Cursor/lCursor,i-ci-ve:ver25-Cursor2/lCursor2,r-cr:hor20,o:hor20
 
-set signcolumn=auto:2
+set signcolumn=yes:1
 
 " Remove certain character from file name pattern matching
 set isfname-==
@@ -175,5 +172,7 @@ set diffopt+=filler  " show filler for deleted lines
 set diffopt+=closeoff  " turn off diff when one file window is closed
 set diffopt+=context:3  " context for diff
 set diffopt+=internal,indent-heuristic,algorithm:histogram
+set diffopt+=linematch:60
 
 set nowrap  " do no wrap
+set noruler

core/plugins.vim

@@ -137,31 +137,6 @@ let g:mundo_width = 80
 
 nnoremap <silent> <Space>u :MundoToggle<CR>
 
-""""""""""""""""""""""""""""vim-yoink settings"""""""""""""""""""""""""
-if g:is_win || g:is_mac
-  " ctrl-n and ctrl-p will not work if you add the TextChanged event to vim-auto-save events.
-  " nmap <c-n> <plug>(YoinkPostPasteSwapBack)
-  " nmap <c-p> <plug>(YoinkPostPasteSwapForward)
-
-  " The following p/P mappings are also needed for ctrl-n and ctrl-p to work
-  " nmap p <plug>(YoinkPaste_p)
-  " nmap P <plug>(YoinkPaste_P)
-
-  " Cycle the yank stack with the following mappings
-  nmap [y <plug>(YoinkRotateBack)
-  nmap ]y <plug>(YoinkRotateForward)
-
-  " Do not change the cursor position
-  nmap y <plug>(YoinkYankPreserveCursorPosition)
-  xmap y <plug>(YoinkYankPreserveCursorPosition)
-
-  " Move cursor to end of paste after multiline paste
-  let g:yoinkMoveCursorToEndOfPaste = 0
-
-  " Record yanks in system clipboard
-  let g:yoinkSyncSystemClipboardOnFocus = 1
-endif
-
 """"""""""""""""""""""""""""better-escape.vim settings"""""""""""""""""""""""""
 let g:better_escape_interval = 200
 
@@ -182,23 +157,7 @@ let g:neoformat_c_clangformat = {
 let g:neoformat_enabled_cpp = ['clangformat']
 let g:neoformat_enabled_c = ['clangformat']
 
-"""""""""""""""""""""""""vim-signify settings""""""""""""""""""""""""""""""
-" The VCS to use
-let g:signify_vcs_list = [ 'git' ]
-
-" Change the sign for certain operations
-let g:signify_sign_change = '~'
-
-"""""""""""""""""""""""""vim-fugitive settings""""""""""""""""""""""""""""""
-nnoremap <silent> <leader>gs :Git<CR>
-nnoremap <silent> <leader>gw :Gwrite<CR>
-nnoremap <silent> <leader>gc :Git commit<CR>
-nnoremap <silent> <leader>gd :Gdiffsplit<CR>
-nnoremap <silent> <leader>gpl :Git pull<CR>
-" Note that to use bar literally, we need backslash it, see also `:h :bar`.
-nnoremap <silent> <leader>gpu :15split \| term git push<CR>
-
-"""""""""""""""""""""""""plasticboy/vim-markdown settings"""""""""""""""""""
+"""""""""""""""""""""""""vim-markdown settings"""""""""""""""""""
 " Disable header folding
 let g:vim_markdown_folding_disabled = 1
 
@@ -259,7 +218,7 @@ nmap s <Nop>
 omap s <Nop>
 
 """"""""""""""""""""""""""""vimtex settings"""""""""""""""""""""""""""""
-if ( g:is_win || g:is_mac ) && executable('latex')
+if executable('latex')
   " Hacks for inverse search to work semi-automatically,
   " see https://jdhao.github.io/2021/02/20/inverse_search_setup_neovim_vimtex/.
   function! s:write_server_name() abort
@@ -320,11 +279,6 @@ if ( g:is_win || g:is_mac ) && executable('latex')
   endif
 endif
 
-""""""""""""""""""""""""""""vim-startify settings""""""""""""""""""""""""""""
-" Do not change working directory when opening files.
-let g:startify_change_to_dir = 0
-let g:startify_fortune_use_unicode = 1
-
 """"""""""""""""""""""""""""vim-matchup settings"""""""""""""""""""""""""""""
 " Improve performance
 let g:matchup_matchparen_deferred = 1
@@ -371,16 +325,20 @@ if exists('g:started_by_firenvim') && g:started_by_firenvim
       \ }
   \ }
 
-  function! s:setup_firenvim() abort
-    set noruler noshowcmd
-    set laststatus=0 showtabline=0
+  function s:setup_firenvim() abort
+    set signcolumn=no
+    set noruler
+    set noshowcmd
+    set laststatus=0
+    set showtabline=0
   endfunction
 
   augroup firenvim
     autocmd!
-    autocmd FileType text call s:setup_firenvim()
-    autocmd BufNewFile github.com_*.txt set filetype=markdown
-    autocmd BufNewFile stackoverflow.com_*.txt set filetype=markdown
+    autocmd BufEnter * call s:setup_firenvim()
+    autocmd BufEnter sqlzoo*.txt set filetype=sql
+    autocmd BufEnter github.com_*.txt set filetype=markdown
+    autocmd BufEnter stackoverflow.com_*.txt set filetype=markdown
   augroup END
 endif
 

docs/nvim_setup_linux.sh

@@ -68,7 +68,7 @@ fi
 
 # Install some Python packages used by Nvim plugins.
 echo "Installing Python packages"
-declare -a py_packages=("pynvim" 'python-lsp-server[all]' "black" "vim-vint" "pyls-isort" "pylsp-mypy")
+declare -a PY_PACKAGES=("pynvim" 'python-lsp-server[all]' "black" "vim-vint" "pyls-isort" "pylsp-mypy")
 
 if [[ "$SYSTEM_PYTHON" = true ]]; then
     echo "Using system Python to install $(PY_PACKAGES)"
@@ -76,12 +76,12 @@ if [[ "$SYSTEM_PYTHON" = true ]]; then
     # If we use system Python, we need to install these Python packages under
     # user HOME, since we do not have permissions to install them under system
     # directories.
-    for p in "${py_packages[@]}"; do
+    for p in "${PY_PACKAGES[@]}"; do
         pip install --user "$p"
     done
 else
     echo "Using custom Python to install $(PY_PACKAGES)"
-    for p in "${py_packages[@]}"; do
+    for p in "${PY_PACKAGES[@]}"; do
         "$CONDA_DIR/bin/pip" install "$p"
     done
 fi
@@ -112,6 +112,7 @@ if [[ -z "$(command -v node)" ]]; then
     fi
 else
     echo "Node.js is already installed. Skip installing it."
+    NODE_DIR="$(realpath $(dirname $(which node))/..)"
 fi
 
 # Install vim-language-server
@@ -123,27 +124,27 @@ fi
 #######################################################################
 #                         lua-language-server                         #
 #######################################################################
-SUMNEKO_LUA_DIR=$HOME/tools/lua-language-server
-SUMNEKO_LUA_SRC_NAME=$HOME/packages/lua-language-server.tar.gz
-SUMNEKO_LUA_LINK="https://github.com/sumneko/lua-language-server/releases/download/3.5.3/lua-language-server-3.5.3-linux-x64.tar.gz"
+LUA_LS_DIR=$HOME/tools/lua-language-server
+LUA_LS_SRC=$HOME/packages/lua-language-server.tar.gz
+LUA_LS_LINK="https://github.com/LuaLS/lua-language-server/releases/download/3.6.11/lua-language-server-3.6.11-linux-x64.tar.gz"
 
-if [[ -z "$(command -v lua-language-server)" ]] && [[ ! -f "$SUMNEKO_LUA_DIR/bin/lua-language-server" ]]; then
+if [[ -z "$(command -v lua-language-server)" ]] && [[ ! -f "$LUA_LS_DIR/bin/lua-language-server" ]]; then
     echo 'Install lua-language-server'
-    if [[ ! -f $SUMNEKO_LUA_SRC_NAME ]]; then
+    if [[ ! -f $LUA_LS_SRC ]]; then
         echo "Downloading lua-language-server and renaming"
-        wget $SUMNEKO_LUA_LINK -O "$SUMNEKO_LUA_SRC_NAME"
+        wget $LUA_LS_LINK -O "$LUA_LS_SRC"
     fi
 
-    if [[ ! -d "$SUMNEKO_LUA_DIR" ]]; then
+    if [[ ! -d "$LUA_LS_DIR" ]]; then
         echo "Creating lua-language-server directory under tools directory"
-        mkdir -p "$SUMNEKO_LUA_DIR"
-        echo "Extracting to directory $SUMNEKO_LUA_DIR"
+        mkdir -p "$LUA_LS_DIR"
+        echo "Extracting to directory $LUA_LS_DIR"
 
-        tar zxvf "$SUMNEKO_LUA_SRC_NAME" -C "$SUMNEKO_LUA_DIR"
+        tar zxvf "$LUA_LS_SRC" -C "$LUA_LS_DIR"
     fi
 
     if [[ "$ADD_TO_SYSTEM_PATH" = true ]] && [[ "$USE_BASH_SHELL" = true ]]; then
-        echo "export PATH=\"$SUMNEKO_LUA_DIR/bin:\$PATH\"" >> "$HOME/.bash_profile"
+        echo "export PATH=\"$LUA_LS_DIR/bin:\$PATH\"" >> "$HOME/.bash_profile"
     fi
 else
     echo "lua-language-server is already installed. Skip installing it."

docs/nvim_setup_windows.ps1

@@ -36,19 +36,19 @@ scoop install vcredist2022
 scoop install 7zip
 
 # Install lua-language-server
-$sumneko_lua_link = "https://github.com/sumneko/lua-language-server/releases/download/3.5.3/lua-language-server-3.5.3-win32-x64.zip"
-$sumneko_lua_install_dir = "D:\portable_tools"
-$sumneko_lua_src_dir = "$sumneko_lua_install_dir\lua-language-server.zip"
-$sumneko_lua_dir = "$sumneko_lua_install_dir\lua-language-server"
+$lua_ls_link = "https://github.com/LuaLS/lua-language-server/releases/download/3.6.11/lua-language-server-3.6.11-win32-x64.zip"
+$lua_ls_install_dir = "D:\portable_tools"
+$lua_ls_src_path = "$lua_ls_install_dir\lua-language-server.zip"
+$lua_ls_dir = "$lua_ls_install_dir\lua-language-server"
 
 # Download file, ref: https://stackoverflow.com/a/51225744/6064933
-Invoke-WebRequest $sumneko_lua_link -OutFile "$sumneko_lua_src_dir"
+Invoke-WebRequest $lua_ls_link -OutFile "$lua_ls_src_path"
 
 # Extract the zip file using 7zip, ref: https://stackoverflow.com/a/41933215/6064933
-7z x "$sumneko_lua_src_dir" -o"$sumneko_lua_dir"
+7z x "$lua_ls_src_path" -o"$lua_ls_dir"
 
 # Setup PATH env variable, ref: https://stackoverflow.com/q/714877/6064933
-[Environment]::SetEnvironmentVariable("Path", $env:Path + ";$sumneko_lua_dir\bin", "Machine")
+[Environment]::SetEnvironmentVariable("Path", $env:Path + ";$lua_ls_dir\bin", "Machine")
 
 # Install neovim nightly
 scoop bucket add versions

ginit.vim

@@ -59,3 +59,16 @@ if exists('g:fvim_loaded')
 
   FVimUIPopupMenu v:false
 endif
+
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+"                             config for neovide                             "
+""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""""
+if exists("g:neovide")
+  set guifont=Hack\ NF:h10
+  let g:neovide_transparency = 1.0
+  let g:neovide_cursor_animation_length = 0.1
+  let g:neovide_cursor_trail_size=0.3
+  let g:neovide_cursor_vfx_mode = ""
+  let g:neovide_cursor_vfx_particle_density=10.0
+  let g:neovide_cursor_vfx_opacity=150.0
+endif

init.lua

@@ -4,34 +4,40 @@
 -- I would not recommend cloning this repo and replace your own config. Good configurations are personal,
 -- built over time with a lot of polish.
 --
--- Author: Jie-dong Hao
+-- Author: Jiedong Hao
 -- Email: jdhao@hotmail.com
 -- Blog: https://jdhao.github.io/
+-- GitHub: https://github.com/jdhao
+-- StackOverflow: https://stackoverflow.com/users/6064933/jdhao
+vim.loader.enable()
+
+local api = vim.api
+local version = vim.version
 
 -- check if we have the latest stable version of nvim
-local expected_ver = "0.7.2"
+local expected_ver = "0.9.1"
+local ev = version.parse(expected_ver)
+local actual_ver = version()
 
-local utils = require "utils"
-local nvim_ver = utils.get_nvim_version()
-
-if nvim_ver ~= expected_ver then
-  local msg = string.format("Unsupported nvim version: expect %s, but got %s instead!", expected_ver, nvim_ver)
-  vim.api.nvim_echo({ { msg, "ErrorMsg" } }, false, {})
+if version.cmp(ev, actual_ver) ~= 0 then
+  local _ver = string.format("%s.%s.%s", actual_ver.major, actual_ver.minor, actual_ver.patch)
+  local msg = string.format("Unsupported nvim version: expect %s, but got %s instead!", expected_ver, _ver)
+  api.nvim_err_writeln(msg)
   return
 end
 
 local core_conf_files = {
-  "globals.vim",       -- some global settings
-  "options.vim",       -- setting options in nvim
-  "autocommands.vim",  -- various autocommands
-  "mappings.lua",      -- all the user-defined mappings
-  "plugins.vim",       -- all the plugins installed and their configurations
-  "colorschemes.lua",  -- colorscheme settings
+  "globals.lua", -- some global settings
+  "options.vim", -- setting options in nvim
+  "autocommands.vim", -- various autocommands
+  "mappings.lua", -- all the user-defined mappings
+  "plugins.vim", -- all the plugins installed and their configurations
+  "colorschemes.lua", -- colorscheme settings
 }
 
 -- source all the core config files
 for _, name in ipairs(core_conf_files) do
-  local path = string.format("%s/core/%s", vim.fn.stdpath('config'), name)
+  local path = string.format("%s/core/%s", vim.fn.stdpath("config"), name)
   local source_cmd = "source " .. path
   vim.cmd(source_cmd)
 end

lua/config/bqf.lua

@@ -1,6 +1,6 @@
-require("bqf").setup({
+require("bqf").setup {
   auto_resize_height = false,
   preview = {
     auto_preview = false,
-  }
-})
+  },
+}

lua/config/bufferline.lua

@@ -1,4 +1,4 @@
-require("bufferline").setup({
+require("bufferline").setup {
   options = {
     numbers = "buffer_id",
     close_command = "bdelete! %d",
@@ -6,8 +6,8 @@ require("bufferline").setup({
     left_mouse_command = "buffer %d",
     middle_mouse_command = nil,
     indicator = {
-        icon = '▎', -- this should be omitted if indicator style is not 'icon'
-        style = 'icon',
+      icon = "▎", -- this should be omitted if indicator style is not 'icon'
+      style = "icon",
     },
     buffer_close_icon = "",
     modified_icon = "●",
@@ -43,4 +43,4 @@ require("bufferline").setup({
     always_show_bufferline = true,
     sort_by = "id",
   },
-})
+}

lua/config/dashboard-nvim.lua

@@ -1,6 +1,9 @@
+local api = vim.api
+local keymap = vim.keymap
 local dashboard = require("dashboard")
 
-dashboard.custom_header = {
+conf = {}
+conf.header = {
   "                                                       ",
   "                                                       ",
   "                                                       ",
@@ -16,50 +19,57 @@ dashboard.custom_header = {
   "                                                       ",
 }
 
-dashboard.custom_center = {
+conf.center = {
   {
     icon = "  ",
     desc = "Find  File                              ",
     action = "Leaderf file --popup",
-    shortcut = "<Leader> f f",
+    key = "<Leader> f f",
   },
   {
     icon = "  ",
     desc = "Recently opened files                   ",
     action = "Leaderf mru --popup",
-    shortcut = "<Leader> f r",
+    key = "<Leader> f r",
   },
   {
     icon = "  ",
     desc = "Project grep                            ",
     action = "Leaderf rg --popup",
-    shortcut = "<Leader> f g",
+    key = "<Leader> f g",
   },
   {
     icon = "  ",
     desc = "Open Nvim config                        ",
     action = "tabnew $MYVIMRC | tcd %:p:h",
-    shortcut = "<Leader> e v",
+    key = "<Leader> e v",
   },
   {
     icon = "  ",
     desc = "New file                                ",
     action = "enew",
-    shortcut = "e           ",
+    key = "e",
   },
   {
     icon = "  ",
     desc = "Quit Nvim                               ",
     -- desc = "Quit Nvim                               ",
     action = "qa",
-    shortcut = "q           "
-  }
+    key = "q",
+  },
 }
 
-vim.cmd([[
-  augroup dashboard_enter
-    au!
-    autocmd FileType dashboard nnoremap <buffer> q :qa<CR>
-    autocmd FileType dashboard nnoremap <buffer> e :enew<CR>
-  augroup END
-]])
+dashboard.setup({
+  theme = 'doom',
+  shortcut_type = 'number',
+  config = conf
+})
+
+api.nvim_create_autocmd("FileType", {
+  pattern = "dashboard",
+  group = api.nvim_create_augroup("dashboard_enter", { clear = true }),
+  callback = function ()
+    keymap.set("n", "q", ":qa<CR>", { buffer = true, silent = true })
+    keymap.set("n", "e", ":enew<CR>", { buffer = true, silent = true })
+  end
+})

lua/config/fidget-nvim.lua

@@ -1 +1 @@
-require"fidget".setup{}
+require("fidget").setup {}

lua/config/fugitive.lua

@@ -0,0 +1,11 @@
+local keymap = vim.keymap
+
+keymap.set("n", "<leader>gs", "<cmd>Git<cr>", { desc = "Git status" })
+keymap.set("n", "<leader>gw", "<cmd>Gwrite<cr>", { desc = "Git add" })
+keymap.set("n", "<leader>gc", "<cmd>Git commit<cr>", { desc = "Git commit" })
+keymap.set("n", "<leader>gd", "<cmd>Gdiffsplit<cr>", { desc = "Git diff" })
+keymap.set("n", "<leader>gpl", "<cmd>Git pull<cr>", { desc = "Git pull" })
+keymap.set("n", "<leader>gpu", "<cmd>15 split|term git push<cr>", { desc = "Git push" })
+
+-- convert git to Git in command line mode
+vim.fn['utils#Cabbrev']('git', 'Git')

lua/config/git-linker.lua

@@ -1,15 +1,25 @@
 local keymap = vim.keymap
-local gitlinker = require('gitlinker')
+local gitlinker = require("gitlinker")
 
-gitlinker.setup({
+gitlinker.setup {
   mappings = nil,
-})
+}
 
-keymap.set({ 'n', 'v' }, '<leader>gl', '', {
+keymap.set({ "n", "v" }, "<leader>gl", "", {
   silent = true,
   desc = "get git permlink",
   callback = function()
     local mode = string.lower(vim.fn.mode())
     gitlinker.get_buf_range_url(mode)
+  end,
+})
+
+keymap.set("n", "<leader>gb", "", {
+  silent = true,
+  desc = "browse repo in browser",
+  callback = function()
+    gitlinker.get_repo_url({
+      action_callback = gitlinker.actions.open_in_browser
+    })
   end
 })

lua/config/gitsigns.lua

@@ -0,0 +1,57 @@
+local gs = require("gitsigns")
+
+gs.setup {
+  signs = {
+    add = { hl = "GitSignsAdd", text = "+", numhl = "GitSignsAddNr", linehl = "GitSignsAddLn" },
+    change = { hl = "GitSignsChange", text = "~", numhl = "GitSignsChangeNr", linehl = "GitSignsChangeLn" },
+    delete = { hl = "GitSignsDelete", text = "_", numhl = "GitSignsDeleteNr", linehl = "GitSignsDeleteLn" },
+    topdelete = { hl = "GitSignsDelete", text = "‾", numhl = "GitSignsDeleteNr", linehl = "GitSignsDeleteLn" },
+    changedelete = { hl = "GitSignsChange", text = "│", numhl = "GitSignsChangeNr", linehl = "GitSignsChangeLn" },
+  },
+  word_diff = true,
+  on_attach = function(bufnr)
+    local function map(mode, l, r, opts)
+      opts = opts or {}
+      opts.buffer = bufnr
+      vim.keymap.set(mode, l, r, opts)
+    end
+
+    -- Navigation
+    map("n", "]c", function()
+      if vim.wo.diff then
+        return "]c"
+      end
+      vim.schedule(function()
+        gs.next_hunk()
+      end)
+      return "<Ignore>"
+    end, { expr = true, desc = "next hunk" })
+
+    map("n", "[c", function()
+      if vim.wo.diff then
+        return "[c"
+      end
+      vim.schedule(function()
+        gs.prev_hunk()
+      end)
+      return "<Ignore>"
+    end, { expr = true, desc = "previous hunk" })
+
+    -- Actions
+    map("n", "<leader>hp", gs.preview_hunk)
+    map("n", "<leader>hb", function()
+      gs.blame_line { full = true }
+    end)
+  end,
+}
+
+vim.api.nvim_create_autocmd('ColorScheme', {
+  pattern = "*",
+  callback = function()
+    vim.cmd [[
+      hi GitSignsChangeInline gui=reverse
+      hi GitSignsAddInline gui=reverse
+      hi GitSignsDeleteInline gui=reverse
+    ]]
+  end
+})

lua/config/hlslens.lua

@@ -1,34 +1,48 @@
+local api = vim.api
 local keymap = vim.keymap
 
-require('hlslens').setup({
-    calm_down = true,
-    nearest_only = true,
-})
+local hlslens = require("hlslens")
+
+hlslens.setup {
+  calm_down = true,
+  nearest_only = true,
+}
 
 local activate_hlslens = function(direction)
   local cmd = string.format("normal! %s%szzzv", vim.v.count1, direction)
-  local status, msg = pcall(vim.fn.execute, cmd)
-  -- 13 is the index where real error message starts
-  msg = msg:sub(13)
+  local status, msg = pcall(vim.cmd, cmd)
 
   if not status then
-    vim.api.nvim_echo({{msg, "ErrorMsg"}}, false, {})
+    -- 13 is the index where real error message starts
+    msg = msg:sub(13)
+    api.nvim_err_writeln(msg)
     return
   end
-  require('hlslens').start()
+
+  hlslens.start()
 end
 
-keymap.set('n', 'n', '',
-{
-  silent = true,
-  callback = function() activate_hlslens('n') end
+keymap.set("n", "n", "", {
+  callback = function()
+    activate_hlslens("n")
+  end,
 })
 
-keymap.set('n', 'N', '',
-{
-  silent = true,
-  callback = function() activate_hlslens('N') end
+keymap.set("n", "N", "", {
+  callback = function()
+    activate_hlslens("N")
+  end,
 })
 
-keymap.set('n', '*', "<Plug>(asterisk-z*)<Cmd>lua require('hlslens').start()<CR>", { silent = true })
-keymap.set('n', '#', "<Plug>(asterisk-z#)<Cmd>lua require('hlslens').start()<CR>", { silent = true })
+keymap.set("n", "*", "", {
+  callback = function()
+    vim.fn.execute("normal! *N")
+    hlslens.start()
+  end,
+})
+keymap.set("n", "#", "", {
+  callback = function()
+    vim.fn.execute("normal! #N")
+    hlslens.start()
+  end,
+})

lua/config/indent-blankline.lua

@@ -1,7 +1,7 @@
 local api = vim.api
 
 local exclude_ft = { "help", "git", "markdown", "snippets", "text", "gitconfig", "alpha" }
-require("indent_blankline").setup({
+require("indent_blankline").setup {
   -- U+2502 may also be a good choice, it will be on the middle of cursor.
   -- U+250A is also a good choice
   char = "▏",
@@ -9,13 +9,13 @@ require("indent_blankline").setup({
   disable_with_nolist = true,
   buftype_exclude = { "terminal" },
   filetype_exclude = exclude_ft,
-})
+}
 
 local gid = api.nvim_create_augroup("indent_blankline", { clear = true })
 api.nvim_create_autocmd("InsertEnter", {
   pattern = "*",
   group = gid,
-  command = "IndentBlanklineDisable"
+  command = "IndentBlanklineDisable",
 })
 
 api.nvim_create_autocmd("InsertLeave", {
@@ -23,7 +23,7 @@ api.nvim_create_autocmd("InsertLeave", {
   group = gid,
   callback = function()
     if not vim.tbl_contains(exclude_ft, vim.bo.filetype) then
-      vim.cmd [[IndentBlanklineEnable]]
+      vim.cmd([[IndentBlanklineEnable]])
     end
-  end
+  end,
 })

lua/config/iron.lua

@@ -1,7 +1,7 @@
 local iron = require("iron")
-iron.core.set_config({
+iron.core.set_config {
   preferred = {
     python = "ipython",
   },
   repl_open_cmd = "vertical 120 split",
-})
+}

lua/config/lsp.lua

@@ -2,43 +2,49 @@ local fn = vim.fn
 local api = vim.api
 local keymap = vim.keymap
 local lsp = vim.lsp
+local diagnostic = vim.diagnostic
 
 local utils = require("utils")
 
 local custom_attach = function(client, bufnr)
   -- Mappings.
-  local opts = { silent = true, buffer = bufnr }
-  keymap.set("n", "gd", vim.lsp.buf.definition, opts)
-  keymap.set("n", "<C-]>", vim.lsp.buf.definition, opts)
-  keymap.set("n", "K", vim.lsp.buf.hover, opts)
-  keymap.set("n", "<C-k>", vim.lsp.buf.signature_help, opts)
-  keymap.set("n", "<space>rn", vim.lsp.buf.rename, opts)
-  keymap.set("n", "gr", vim.lsp.buf.references, opts)
-  keymap.set("n", "[d", vim.diagnostic.goto_prev, opts)
-  keymap.set("n", "]d", vim.diagnostic.goto_next, opts)
-  keymap.set("n", "<space>q", function() vim.diagnostic.setqflist({open = true}) end, opts)
-  keymap.set("n", "<space>ca", vim.lsp.buf.code_action, opts)
-  keymap.set("n", "<space>wa", vim.lsp.buf.add_workspace_folder, opts)
-  keymap.set("n", "<space>wr", vim.lsp.buf.remove_workspace_folder, opts)
-  keymap.set("n", "<space>wl", function() inspect(vim.lsp.buf.list_workspace_folders()) end, opts)
+  local map = function(mode, l, r, opts)
+    opts = opts or {}
+    opts.silent = true
+    opts.buffer = bufnr
+    keymap.set(mode, l, r, opts)
+  end
+
+  map("n", "gd", vim.lsp.buf.definition, { desc = "go to definition" })
+  map("n", "<C-]>", vim.lsp.buf.definition)
+  map("n", "K", vim.lsp.buf.hover)
+  map("n", "<C-k>", vim.lsp.buf.signature_help)
+  map("n", "<space>rn", vim.lsp.buf.rename, { desc = "varialbe rename" })
+  map("n", "gr", vim.lsp.buf.references, { desc = "show references" })
+  map("n", "[d", diagnostic.goto_prev, { desc = "previous diagnostic" })
+  map("n", "]d", diagnostic.goto_next, { desc = "next diagnostic" })
+  map("n", "<space>q", diagnostic.setqflist, { desc = "put diagnostic to qf" })
+  map("n", "<space>ca", vim.lsp.buf.code_action, { desc = "LSP code action" })
+  map("n", "<space>wa", vim.lsp.buf.add_workspace_folder, { desc = "add workspace folder" })
+  map("n", "<space>wr", vim.lsp.buf.remove_workspace_folder, { desc = "remove workspace folder" })
+  map("n", "<space>wl", function()
+    inspect(vim.lsp.buf.list_workspace_folders())
+  end, { desc = "list workspace folder" })
 
   -- Set some key bindings conditional on server capabilities
-  if client.resolved_capabilities.document_formatting then
-    keymap.set("n", "<space>f", vim.lsp.buf.formatting_sync, opts)
-  end
-  if client.resolved_capabilities.document_range_formatting then
-    keymap.set("x", "<space>f", vim.lsp.buf.range_formatting, opts)
+  if client.server_capabilities.documentFormattingProvider then
+    map("n", "<space>f", vim.lsp.buf.format, { desc = "format code" })
   end
 
   api.nvim_create_autocmd("CursorHold", {
-    buffer=bufnr,
+    buffer = bufnr,
     callback = function()
       local float_opts = {
         focusable = false,
         close_events = { "BufLeave", "CursorMoved", "InsertEnter", "FocusLost" },
-        border = 'rounded',
-        source = 'always',  -- show source in diagnostic popup window
-        prefix = ' '
+        border = "rounded",
+        source = "always", -- show source in diagnostic popup window
+        prefix = " ",
       }
 
       if not vim.b.diagnostics_pos then
@@ -46,44 +52,54 @@ local custom_attach = function(client, bufnr)
       end
 
       local cursor_pos = api.nvim_win_get_cursor(0)
-      if (cursor_pos[1] ~= vim.b.diagnostics_pos[1] or cursor_pos[2] ~= vim.b.diagnostics_pos[2]) and
-        #vim.diagnostic.get() > 0
+      if (cursor_pos[1] ~= vim.b.diagnostics_pos[1] or cursor_pos[2] ~= vim.b.diagnostics_pos[2])
+          and #diagnostic.get() > 0
       then
-          vim.diagnostic.open_float(nil, float_opts)
+        diagnostic.open_float(nil, float_opts)
       end
 
       vim.b.diagnostics_pos = cursor_pos
-    end
+    end,
   })
 
   -- The blow command will highlight the current variable and its usages in the buffer.
-  if client.resolved_capabilities.document_highlight then
+  if client.server_capabilities.documentHighlightProvider then
     vim.cmd([[
       hi! link LspReferenceRead Visual
       hi! link LspReferenceText Visual
       hi! link LspReferenceWrite Visual
-      augroup lsp_document_highlight
-        autocmd! * <buffer>
-        autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
-        autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
-      augroup END
     ]])
+
+    local gid = api.nvim_create_augroup("lsp_document_highlight", { clear = true })
+    api.nvim_create_autocmd("CursorHold" , {
+      group = gid,
+      buffer = bufnr,
+      callback = function ()
+        lsp.buf.document_highlight()
+      end
+    })
+
+    api.nvim_create_autocmd("CursorMoved" , {
+      group = gid,
+      buffer = bufnr,
+      callback = function ()
+        lsp.buf.clear_references()
+      end
+    })
   end
 
-  if vim.g.logging_level == 'debug' then
+  if vim.g.logging_level == "debug" then
     local msg = string.format("Language server %s started!", client.name)
-    vim.notify(msg, vim.log.levels.DEBUG, {title = 'Nvim-config'})
+    vim.notify(msg, vim.log.levels.DEBUG, { title = "Nvim-config" })
   end
 end
 
-local capabilities = lsp.protocol.make_client_capabilities()
-capabilities = require('cmp_nvim_lsp').update_capabilities(capabilities)
-capabilities.textDocument.completion.completionItem.snippetSupport = true
+local capabilities = require('cmp_nvim_lsp').default_capabilities()
 
 local lspconfig = require("lspconfig")
 
-if utils.executable('pylsp') then
-  lspconfig.pylsp.setup({
+if utils.executable("pylsp") then
+  lspconfig.pylsp.setup {
     on_attach = custom_attach,
     settings = {
       pylsp = {
@@ -101,9 +117,9 @@ if utils.executable('pylsp') then
       debounce_text_changes = 200,
     },
     capabilities = capabilities,
-  })
+  }
 else
-  vim.notify("pylsp not found!", vim.log.levels.WARN, {title = 'Nvim-config'})
+  vim.notify("pylsp not found!", vim.log.levels.WARN, { title = "Nvim-config" })
 end
 
 -- if utils.executable('pyright') then
@@ -115,43 +131,55 @@ end
 --   vim.notify("pyright not found!", vim.log.levels.WARN, {title = 'Nvim-config'})
 -- end
 
-if utils.executable('clangd') then
-  lspconfig.clangd.setup({
+if utils.executable("ltex-ls") then
+  lspconfig.ltex.setup {
+    on_attach = custom_attach,
+    cmd = { "ltex-ls" },
+    filetypes = { "text", "plaintex", "tex", "markdown" },
+    settings = {
+      ltex = {
+        language = "en"
+      },
+    },
+    flags = { debounce_text_changes = 300 },
+}
+end
+
+if utils.executable("clangd") then
+  lspconfig.clangd.setup {
     on_attach = custom_attach,
     capabilities = capabilities,
     filetypes = { "c", "cpp", "cc" },
     flags = {
       debounce_text_changes = 500,
     },
-  })
-else
-  vim.notify("clangd not found!", vim.log.levels.WARN, {title = 'Nvim-config'})
+  }
 end
 
 -- set up vim-language-server
-if utils.executable('vim-language-server') then
-  lspconfig.vimls.setup({
+if utils.executable("vim-language-server") then
+  lspconfig.vimls.setup {
     on_attach = custom_attach,
     flags = {
       debounce_text_changes = 500,
     },
     capabilities = capabilities,
-  })
+  }
 else
-  vim.notify("vim-language-server not found!", vim.log.levels.WARN, {title = 'Nvim-config'})
+  vim.notify("vim-language-server not found!", vim.log.levels.WARN, { title = "Nvim-config" })
 end
 
 -- set up bash-language-server
-if utils.executable('bash-language-server') then
-  lspconfig.bashls.setup({
+if utils.executable("bash-language-server") then
+  lspconfig.bashls.setup {
     on_attach = custom_attach,
     capabilities = capabilities,
-  })
+  }
 end
 
 if utils.executable("lua-language-server") then
-  -- settings for lua-language-server can be found on https://github.com/sumneko/lua-language-server/wiki/Settings .
-  lspconfig.sumneko_lua.setup({
+  -- settings for lua-language-server can be found on https://github.com/LuaLS/lua-language-server/wiki/Settings .
+  lspconfig.lua_ls.setup {
     on_attach = custom_attach,
     settings = {
       Lua = {
@@ -165,11 +193,11 @@ if utils.executable("lua-language-server") then
         },
         workspace = {
           -- Make the server aware of Neovim runtime files,
-          -- see also https://github.com/sumneko/lua-language-server/wiki/Libraries#link-to-workspace .
-          -- Lua-dev.nvim also has similar settings for sumneko lua, https://github.com/folke/lua-dev.nvim/blob/main/lua/lua-dev/sumneko.lua .
+          -- see also https://github.com/LuaLS/lua-language-server/wiki/Libraries#link-to-workspace .
+          -- Lua-dev.nvim also has similar settings for lua ls, https://github.com/folke/neodev.nvim/blob/main/lua/neodev/luals.lua .
           library = {
-            fn.stdpath('data') .. "/site/pack/packer/opt/emmylua-nvim",
-            fn.stdpath('config'),
+            fn.stdpath("data") .. "/site/pack/packer/opt/emmylua-nvim",
+            fn.stdpath("config"),
           },
           maxPreload = 2000,
           preloadFileSize = 50000,
@@ -177,7 +205,7 @@ if utils.executable("lua-language-server") then
       },
     },
     capabilities = capabilities,
-  })
+  }
 end
 
 -- Change diagnostic signs.
@@ -187,12 +215,12 @@ fn.sign_define("DiagnosticSignInformation", { text = "", texthl = "Diagnostic
 fn.sign_define("DiagnosticSignHint", { text = "", texthl = "DiagnosticSignHint" })
 
 -- global config for diagnostic
-vim.diagnostic.config({
+diagnostic.config {
   underline = false,
   virtual_text = false,
   signs = true,
   severity_sort = true,
-})
+}
 
 -- lsp.handlers["textDocument/publishDiagnostics"] = lsp.with(lsp.diagnostic.on_publish_diagnostics, {
 --   underline = false,

lua/config/neoscroll.lua

@@ -1,21 +0,0 @@
-require("neoscroll").setup({
-  easing_function = "quadratic",
-})
-
-local t = {}
--- Syntax: t[keys] = {function, {function arguments}}
--- Use the "sine" easing function
-t["<C-u>"] = { "scroll", { "-vim.wo.scroll", "true", "20", [['cubic']] } }
-t["<C-d>"] = { "scroll", { "vim.wo.scroll", "true", "20", [['cubic']] } }
--- Use the "circular" easing function
-t["<C-b>"] = { "scroll", { "-vim.api.nvim_win_get_height(0)", "true", "50", [['cubic']] } }
-t["<C-f>"] = { "scroll", { "vim.api.nvim_win_get_height(0)", "true", "50", [['cubic']] } }
--- Pass "nil" to disable the easing animation (constant scrolling speed)
-t["<C-y>"] = { "scroll", { "-0.10", "false", "100", nil } }
-t["<C-e>"] = { "scroll", { "0.10", "false", "100", nil } }
--- When no easing function is provided the default easing function (in this case "quadratic") will be used
-t["zt"] = { "zt", { "10" } }
-t["zz"] = { "zz", { "10" } }
-t["zb"] = { "zb", { "10" } }
-
-require("neoscroll.config").set_mappings(t)

lua/config/nvim-cmp.lua

@@ -1,54 +1,53 @@
 -- Setup nvim-cmp.
-local cmp = require'cmp'
-local lspkind = require'lspkind'
+local cmp = require("cmp")
+local lspkind = require("lspkind")
 
-cmp.setup({
+cmp.setup {
   snippet = {
     expand = function(args)
       -- For `ultisnips` user.
       vim.fn["UltiSnips#Anon"](args.body)
     end,
   },
-  mapping = cmp.mapping.preset.insert({
-          ['<Tab>'] = function(fallback)
-            if cmp.visible() then
-              cmp.select_next_item()
-            else
-              fallback()
-            end
-          end,
-          ['<S-Tab>'] = function(fallback)
-            if cmp.visible() then
-              cmp.select_prev_item()
-            else
-              fallback()
-            end
-          end,
-          ['<CR>'] = cmp.mapping.confirm({ select = true }),
-          ['<C-e>'] = cmp.mapping.abort(),
-          ['<Esc>'] = cmp.mapping.close(),
-          ['<C-d>'] = cmp.mapping.scroll_docs(-4),
-          ['<C-f>'] = cmp.mapping.scroll_docs(4),
-        }),
+  mapping = cmp.mapping.preset.insert {
+    ["<Tab>"] = function(fallback)
+      if cmp.visible() then
+        cmp.select_next_item()
+      else
+        fallback()
+      end
+    end,
+    ["<S-Tab>"] = function(fallback)
+      if cmp.visible() then
+        cmp.select_prev_item()
+      else
+        fallback()
+      end
+    end,
+    ["<CR>"] = cmp.mapping.confirm { select = true },
+    ["<C-e>"] = cmp.mapping.abort(),
+    ["<Esc>"] = cmp.mapping.close(),
+    ["<C-d>"] = cmp.mapping.scroll_docs(-4),
+    ["<C-f>"] = cmp.mapping.scroll_docs(4),
+  },
   sources = {
-    { name = 'nvim_lsp' }, -- For nvim-lsp
-    { name = 'ultisnips' }, -- For ultisnips user.
-    { name = 'path' }, -- for path completion
-    { name = 'buffer', keyword_length = 2 }, -- for buffer word completion
-    { name = 'omni' },
-    { name = 'emoji', insert = true, } -- emoji completion
+    { name = "nvim_lsp" }, -- For nvim-lsp
+    { name = "ultisnips" }, -- For ultisnips user.
+    { name = "path" }, -- for path completion
+    { name = "buffer", keyword_length = 2 }, -- for buffer word completion
+    { name = "emoji", insert = true }, -- emoji completion
   },
   completion = {
     keyword_length = 1,
-    completeopt = "menu,noselect"
+    completeopt = "menu,noselect",
   },
   view = {
-    entries = 'custom',
+    entries = "custom",
   },
   formatting = {
-    format = lspkind.cmp_format({
+    format = lspkind.cmp_format {
       mode = "symbol_text",
-      menu = ({
+      menu = {
         nvim_lsp = "[LSP]",
         ultisnips = "[US]",
         nvim_lua = "[Lua]",
@@ -56,13 +55,22 @@ cmp.setup({
         buffer = "[Buffer]",
         emoji = "[Emoji]",
         omni = "[Omni]",
-      }),
-    }),
+      },
+    },
+  },
+}
+
+cmp.setup.filetype("tex", {
+  sources = {
+    { name = "omni" },
+    { name = "ultisnips" }, -- For ultisnips user.
+    { name = "buffer", keyword_length = 2 }, -- for buffer word completion
+    { name = "path" }, -- for path completion
   },
 })
 
 --  see https://github.com/hrsh7th/nvim-cmp/wiki/Menu-Appearance#how-to-add-visual-studio-code-dark-theme-colors-to-the-menu
-vim.cmd[[
+vim.cmd([[
   highlight! link CmpItemMenu Comment
   " gray
   highlight! CmpItemAbbrDeprecated guibg=NONE gui=strikethrough guifg=#808080
@@ -80,4 +88,4 @@ vim.cmd[[
   highlight! CmpItemKindKeyword guibg=NONE guifg=#D4D4D4
   highlight! CmpItemKindProperty guibg=NONE guifg=#D4D4D4
   highlight! CmpItemKindUnit guibg=NONE guifg=#D4D4D4
-]]
+]])

lua/config/nvim-notify.lua

@@ -1,10 +1,10 @@
 local nvim_notify = require("notify")
-nvim_notify.setup({
+nvim_notify.setup {
   -- Animation style
   stages = "fade_in_slide_out",
   -- Default timeout for notifications
   timeout = 1500,
   background_colour = "#2E3440",
-})
+}
 
 vim.notify = nvim_notify

lua/config/nvim-tree.lua

@@ -1,21 +1,17 @@
 local keymap = vim.keymap
 local nvim_tree = require("nvim-tree")
 
-nvim_tree.setup({
+nvim_tree.setup {
   auto_reload_on_write = true,
   disable_netrw = false,
   hijack_cursor = false,
   hijack_netrw = true,
   hijack_unnamed_buffer_when_opening = false,
-  ignore_buffer_on_setup = false,
-  open_on_setup = false,
-  open_on_setup_file = false,
   open_on_tab = false,
   sort_by = "name",
   update_cwd = false,
   view = {
     width = 30,
-    height = 30,
     hide_root_folder = false,
     side = "left",
     preserve_window_proportions = false,
@@ -51,7 +47,6 @@ nvim_tree.setup({
     update_cwd = false,
     ignore_list = {},
   },
-  ignore_ft_on_setup = {},
   system_open = {
     cmd = "",
     args = {},
@@ -112,9 +107,9 @@ nvim_tree.setup({
       profile = false,
     },
   },
-})
+}
 
-keymap.set('n', '<space>s', function()
-  return require('nvim-tree').toggle(false, true)
-end,
-  { silent = true, desc = "toggle nvim-tree" })
+keymap.set("n", "<space>s", require("nvim-tree.api").tree.toggle, {
+  silent = true,
+  desc = "toggle nvim-tree",
+})

lua/config/nvim_hop.lua

@@ -1,14 +1,14 @@
-vim.cmd [[hi HopNextKey cterm=bold ctermfg=176 gui=bold guibg=#ff00ff guifg=#ffffff]]
-vim.cmd [[hi HopNextKey1 cterm=bold ctermfg=176 gui=bold guibg=#ff00ff guifg=#ffffff]]
-vim.cmd [[hi HopNextKey2 cterm=bold ctermfg=176 gui=bold guibg=#ff00ff guifg=#ffffff]]
+vim.cmd([[hi HopNextKey cterm=bold ctermfg=176 gui=bold guibg=#ff00ff guifg=#ffffff]])
+vim.cmd([[hi HopNextKey1 cterm=bold ctermfg=176 gui=bold guibg=#ff00ff guifg=#ffffff]])
+vim.cmd([[hi HopNextKey2 cterm=bold ctermfg=176 gui=bold guibg=#ff00ff guifg=#ffffff]])
 
 local keymap = vim.keymap
-local hop = require "hop"
-hop.setup({
+local hop = require("hop")
+hop.setup {
   case_insensitive = true,
   char2_fallback_key = "<CR>",
   quit_key = "<Esc>",
-})
+}
 
 keymap.set({ "n", "v", "o" }, "f", "", {
   silent = true,

lua/config/statusline.lua

@@ -8,12 +8,18 @@ local function spell()
   return ""
 end
 
+--- show indicator for Chinese IME
 local function ime_state()
   if vim.g.is_mac then
     -- ref: https://github.com/vim-airline/vim-airline/blob/master/autoload/airline/extensions/xkblayout.vim#L11
-    local layout = fn.libcall(vim.g.XkbSwitchLib, 'Xkb_Switch_getXkbLayout', '')
-    if layout == '0' then
-      return '[CN]'
+    local layout = fn.libcall(vim.g.XkbSwitchLib, "Xkb_Switch_getXkbLayout", "")
+
+    -- We can use `xkbswitch -g` on the command line to get current mode.
+    -- mode for macOS builtin pinyin IME: com.apple.inputmethod.SCIM.ITABC
+    -- mode for Rime: im.rime.inputmethod.Squirrel.Rime
+    local res = fn.match(layout, [[\v(Squirrel\.Rime|SCIM.ITABC)]])
+    if res ~= -1 then
+      return "[CN]"
     end
   end
 
@@ -27,7 +33,7 @@ local function trailing_space()
 
   local line_num = nil
 
-  for i=1, fn.line('$') do
+  for i = 1, fn.line("$") do
     local linetext = fn.getline(i)
     -- To prevent invalid escape error, we wrap the regex string with `[[]]`.
     local idx = fn.match(linetext, [[\v\s+$]])
@@ -53,28 +59,45 @@ local function mixed_indent()
 
   local space_pat = [[\v^ +]]
   local tab_pat = [[\v^\t+]]
-  local space_indent = fn.search(space_pat, 'nwc')
-  local tab_indent = fn.search(tab_pat, 'nwc')
+  local space_indent = fn.search(space_pat, "nwc")
+  local tab_indent = fn.search(tab_pat, "nwc")
   local mixed = (space_indent > 0 and tab_indent > 0)
   local mixed_same_line
   if not mixed then
-    mixed_same_line = fn.search([[\v^(\t+ | +\t)]], 'nwc')
+    mixed_same_line = fn.search([[\v^(\t+ | +\t)]], "nwc")
     mixed = mixed_same_line > 0
   end
-  if not mixed then return '' end
-  if mixed_same_line ~= nil and mixed_same_line > 0 then
-     return 'MI:'..mixed_same_line
+  if not mixed then
+    return ""
   end
-  local space_indent_cnt = fn.searchcount({pattern=space_pat, max_count=1e3}).total
-  local tab_indent_cnt =  fn.searchcount({pattern=tab_pat, max_count=1e3}).total
+  if mixed_same_line ~= nil and mixed_same_line > 0 then
+    return "MI:" .. mixed_same_line
+  end
+  local space_indent_cnt = fn.searchcount({ pattern = space_pat, max_count = 1e3 }).total
+  local tab_indent_cnt = fn.searchcount({ pattern = tab_pat, max_count = 1e3 }).total
   if space_indent_cnt > tab_indent_cnt then
-    return 'MI:'..tab_indent
+    return "MI:" .. tab_indent
   else
-    return 'MI:'..space_indent
+    return "MI:" .. space_indent
   end
 end
 
-require("lualine").setup({
+local diff = function()
+  local git_status = vim.b.gitsigns_status_dict
+  if git_status == nil then
+    return
+  end
+
+  local modify_num = git_status.changed
+  local remove_num = git_status.removed
+  local add_num = git_status.added
+
+  local info = { added = add_num, modified = modify_num, removed = remove_num }
+  -- vim.print(info)
+  return info
+end
+
+require("lualine").setup {
   options = {
     icons_enabled = true,
     theme = "auto",
@@ -87,16 +110,22 @@ require("lualine").setup({
   },
   sections = {
     lualine_a = { "mode" },
-    lualine_b = { "branch", "diff" },
+    lualine_b = {
+      "branch",
+      {
+        "diff",
+        source = diff,
+      },
+    },
     lualine_c = {
       "filename",
       {
         ime_state,
-        color = {fg = 'black', bg = '#f46868'}
+        color = { fg = "black", bg = "#f46868" },
       },
       {
         spell,
-        color = {fg = 'black', bg = '#a7c080'}
+        color = { fg = "black", bg = "#a7c080" },
       },
     },
     lualine_x = {
@@ -116,15 +145,15 @@ require("lualine").setup({
       "location",
       {
         "diagnostics",
-        sources = { "nvim_diagnostic" }
+        sources = { "nvim_diagnostic" },
       },
       {
         trailing_space,
-        color = "WarningMsg"
+        color = "WarningMsg",
       },
       {
         mixed_indent,
-        color = "WarningMsg"
+        color = "WarningMsg",
       },
     },
   },
@@ -137,6 +166,5 @@ require("lualine").setup({
     lualine_z = {},
   },
   tabline = {},
-  extensions = {'quickfix', 'fugitive', 'nvim-tree'},
-})
-
+  extensions = { "quickfix", "fugitive", "nvim-tree" },
+}

lua/config/treesitter.lua

@@ -1,8 +1,8 @@
-require("nvim-treesitter.configs").setup({
-  ensure_installed = {"python", "cpp", "lua", "vim"},
+require("nvim-treesitter.configs").setup {
+  ensure_installed = { "python", "cpp", "lua", "vim", "json" },
   ignore_install = {}, -- List of parsers to ignore installing
   highlight = {
     enable = true, -- false will disable the whole extension
-    disable = {}, -- list of language that will be disabled
+    disable = { 'help' }, -- list of language that will be disabled
   },
-})
+}

lua/config/which-key.lua

@@ -1,4 +1,4 @@
-require("which-key").setup({
+require("which-key").setup {
   plugins = {
     marks = true, -- shows a list of your marks on ' and `
     registers = true, -- shows your registers on " in NORMAL or <C-r> in INSERT mode
@@ -46,7 +46,7 @@ require("which-key").setup({
     align = "center", -- align columns left, center or right
   },
   ignore_missing = false, -- enable this to hide mappings for which you didn't specify a label
-  hidden = { "<silent>", "<cmd>", "<Cmd>", "<CR>", "call", "lua", "^:", "^ "}, -- hide mapping boilerplate
+  hidden = { "<silent>", "<cmd>", "<Cmd>", "<CR>", "call", "lua", "^:", "^ " }, -- hide mapping boilerplate
   show_help = true, -- show help message on the command line when the popup is visible
   triggers = "auto", -- automatically setup triggers
   -- triggers = {"<leader>"} -- or specify a list manually
@@ -57,4 +57,4 @@ require("which-key").setup({
     -- most people should not need to change this
     n = { "o", "O" },
   },
-})
+}

lua/config/yanky.lua

@@ -0,0 +1,13 @@
+require("yanky").setup({
+  ring = {
+    history_length = 50,
+    storage = "memory",
+  },
+  preserve_cursor_position = {
+    enabled = false,
+  },
+})
+
+-- cycle through the yank history, only work after paste
+vim.keymap.set("n", "[y", "<Plug>(YankyCycleForward)")
+vim.keymap.set("n", "]y", "<Plug>(YankyCycleBackward)")

lua/config/zen-mode.lua

@@ -1,4 +1,4 @@
-require("zen-mode").setup({
+require("zen-mode").setup {
   window = {
     backdrop = 0.8, -- shade the backdrop of the Zen window. Set to 1 to keep the same as Normal
     width = 120,
@@ -12,4 +12,4 @@ require("zen-mode").setup({
       list = false, -- disable whitespace characters
     },
   },
-})
+}

lua/custom-autocmd.lua

@@ -3,7 +3,6 @@ local api = vim.api
 
 local utils = require("utils")
 
-
 -- Display a message when the current file is not in utf-8 format.
 -- Note that we need to use `unsilent` command here because of this issue:
 -- https://github.com/vim/vim/issues/4379
@@ -11,10 +10,10 @@ api.nvim_create_autocmd({ "BufRead" }, {
   pattern = "*",
   group = api.nvim_create_augroup("non_utf8_file", { clear = true }),
   callback = function()
-    if vim.bo.fileencoding ~= 'utf-8' then
+    if vim.bo.fileencoding ~= "utf-8" then
       vim.notify("File not in UTF-8 format!", vim.log.levels.WARN, { title = "nvim-config" })
     end
-  end
+  end,
 })
 
 -- highlight yanked region, see `:h lua-highlight`
@@ -23,18 +22,7 @@ api.nvim_create_autocmd({ "TextYankPost" }, {
   group = api.nvim_create_augroup("highlight_yank", { clear = true }),
   callback = function()
     vim.highlight.on_yank { higroup = "YankColor", timeout = 300 }
-  end
-})
-
--- Auto-generate packer_compiled.lua file
-api.nvim_create_autocmd({ "BufWritePost" }, {
-  pattern = "*/nvim/lua/plugins.lua",
-  group = api.nvim_create_augroup("packer_auto_compile", { clear = true }),
-  callback = function(ctx)
-    local cmd = "source " .. ctx.file
-    vim.cmd(cmd)
-    vim.cmd("PackerCompile")
-  end
+  end,
 })
 
 -- Auto-create dir when saving a file, in case some intermediate directory does not exist
@@ -44,7 +32,7 @@ api.nvim_create_autocmd({ "BufWritePre" }, {
   callback = function(ctx)
     local dir = fn.fnamemodify(ctx.file, ":p:h")
     utils.may_create_dir(dir)
-  end
+  end,
 })
 
 -- Automatically reload the file if it is changed outside of Nvim, see https://unix.stackexchange.com/a/383044/221410.
@@ -57,17 +45,17 @@ api.nvim_create_autocmd({ "FileChangedShellPost" }, {
   group = "auto_read",
   callback = function()
     vim.notify("File changed on disk. Buffer reloaded!", vim.log.levels.WARN, { title = "nvim-config" })
-  end
+  end,
 })
 
 api.nvim_create_autocmd({ "FocusGained", "CursorHold" }, {
   pattern = "*",
   group = "auto_read",
   callback = function()
-    if fn.getcmdwintype() == '' then
+    if fn.getcmdwintype() == "" then
       vim.cmd("checktime")
     end
-  end
+  end,
 })
 
 -- Resize all windows when we resize the terminal

lua/plugins.lua

@@ -1,384 +1,374 @@
-local utils = require("utils")
+local api = vim.api
 local fn = vim.fn
 
+local utils = require("utils")
+
 -- The root dir to install all plugins. Plugins are under opt/ or start/ sub-directory.
 vim.g.plugin_home = fn.stdpath("data") .. "/site/pack/packer"
 
--- Where to install packer.nvim -- the package manager (we make it opt)
-local packer_dir = vim.g.plugin_home .. "/opt/packer.nvim"
+--- Install packer if it has not been installed.
+--- Return:
+--- true: if this is a fresh install of packer
+--- false: if packer has been installed
+local function packer_ensure_install()
+  -- Where to install packer.nvim -- the package manager (we make it opt)
+  local packer_dir = vim.g.plugin_home .. "/opt/packer.nvim"
 
--- Whether this is a fresh install, i.e., packer itself and plugins have not been installed.
-local fresh_install = false
+  if fn.glob(packer_dir) ~= "" then
+    return false
+  end
 
--- Auto-install packer in case it hasn't been installed.
-if fn.glob(packer_dir) == "" then
-  fresh_install = true
+  -- Auto-install packer in case it hasn't been installed.
+  vim.api.nvim_echo({ { "Installing packer.nvim", "Type" } }, true, {})
 
-  -- Now we need to install packer.nvim first.
   local packer_repo = "https://github.com/wbthomason/packer.nvim"
   local install_cmd = string.format("!git clone --depth=1 %s %s", packer_repo, packer_dir)
-
-  vim.api.nvim_echo({ { "Installing packer.nvim", "Type" } }, true, {})
   vim.cmd(install_cmd)
+
+  return true
 end
 
+local fresh_install = packer_ensure_install()
+
 -- Load packer.nvim
 vim.cmd("packadd packer.nvim")
 
 local packer = require("packer")
-local packer_util = require('packer.util')
+local packer_util = require("packer.util")
 
-packer.startup({
+-- check if firenvim is active
+local firenvim_not_active = function()
+  return not vim.g.started_by_firenvim
+end
+
+packer.startup {
   function(use)
-    -- it is recommended to put impatient.nvim before any other plugins
-    use {'lewis6991/impatient.nvim', config = [[require('impatient')]]}
+    use { "wbthomason/packer.nvim", opt = true }
 
-    use({"wbthomason/packer.nvim", opt = true})
-
-    use({"onsails/lspkind-nvim", event = "VimEnter"})
+    use { "onsails/lspkind-nvim", event = "VimEnter" }
     -- auto-completion engine
-    use {"hrsh7th/nvim-cmp", after = "lspkind-nvim", config = [[require('config.nvim-cmp')]]}
+    use { "hrsh7th/nvim-cmp", after = "lspkind-nvim", config = [[require('config.nvim-cmp')]] }
 
     -- nvim-cmp completion sources
-    use {"hrsh7th/cmp-nvim-lsp", after = "nvim-cmp"}
-    -- use {"hrsh7th/cmp-nvim-lua", after = "nvim-cmp"}
-    use {"hrsh7th/cmp-path", after = "nvim-cmp"}
-    use {"hrsh7th/cmp-buffer", after = "nvim-cmp"}
+    use { "hrsh7th/cmp-nvim-lsp", after = "nvim-cmp" }
+    use { "hrsh7th/cmp-path", after = "nvim-cmp" }
+    use { "hrsh7th/cmp-buffer", after = "nvim-cmp" }
     use { "hrsh7th/cmp-omni", after = "nvim-cmp" }
-
-    -- use {"hrsh7th/cmp-cmdline", after = "nvim-cmp"}
-    use {"quangnguyen30192/cmp-nvim-ultisnips", after = {'nvim-cmp', 'ultisnips'}}
+    use { "quangnguyen30192/cmp-nvim-ultisnips", after = { "nvim-cmp", "ultisnips" } }
     if vim.g.is_mac then
-      use {"hrsh7th/cmp-emoji", after = 'nvim-cmp'}
+      use { "hrsh7th/cmp-emoji", after = "nvim-cmp" }
     end
 
     -- nvim-lsp configuration (it relies on cmp-nvim-lsp, so it should be loaded after cmp-nvim-lsp).
-    use({ "neovim/nvim-lspconfig", after = "cmp-nvim-lsp", config = [[require('config.lsp')]] })
+    use { "neovim/nvim-lspconfig", after = "cmp-nvim-lsp", config = [[require('config.lsp')]] }
 
     if vim.g.is_mac then
-      use({ "nvim-treesitter/nvim-treesitter", event = 'BufEnter', run = ":TSUpdate", config = [[require('config.treesitter')]] })
+      use {
+        "nvim-treesitter/nvim-treesitter",
+        event = "BufEnter",
+        run = ":TSUpdate",
+        config = [[require('config.treesitter')]],
+      }
     end
 
     -- Python indent (follows the PEP8 style)
-    use({ "Vimjas/vim-python-pep8-indent", ft = { "python" } })
+    use { "Vimjas/vim-python-pep8-indent", ft = { "python" } }
 
     -- Python-related text object
-    use({ "jeetsukumaran/vim-pythonsense", ft = { "python" } })
+    use { "jeetsukumaran/vim-pythonsense", ft = { "python" } }
 
-    use({"machakann/vim-swap", event = "VimEnter"})
+    use { "machakann/vim-swap", event = "VimEnter" }
 
     -- IDE for Lisp
     if utils.executable("sbcl") then
       -- use 'kovisoft/slimv'
-      use({ "vlime/vlime", rtp = "vim/", ft = { "lisp" } })
+      use { "vlime/vlime", rtp = "vim/", ft = { "lisp" } }
     end
 
     -- Super fast buffer jump
     use {
-      'phaazon/hop.nvim',
+      "phaazon/hop.nvim",
       event = "VimEnter",
       config = function()
-        vim.defer_fn(function() require('config.nvim_hop') end, 2000)
-      end
+        vim.defer_fn(function()
+          require("config.nvim_hop")
+        end, 2000)
+      end,
     }
 
-    -- Clear highlight search automatically for you
-    -- use({"romainl/vim-cool", event = "VimEnter"})
-
     -- Show match number and index for searching
     use {
-      'kevinhwang91/nvim-hlslens',
-      branch = 'main',
-      keys = {{'n', '*'}, {'n', '#'}, {'n', 'n'}, {'n', 'N'}},
-      config = [[require('config.hlslens')]]
+      "kevinhwang91/nvim-hlslens",
+      branch = "main",
+      keys = { { "n", "*" }, { "n", "#" }, { "n", "n" }, { "n", "N" } },
+      config = [[require('config.hlslens')]],
     }
 
-    -- Stay after pressing * and search selected text
-    use({"haya14busa/vim-asterisk", event = 'VimEnter'})
-
     -- File search, tag search and more
     if vim.g.is_win then
-      use({"Yggdroot/LeaderF", cmd = "Leaderf"})
+      use { "Yggdroot/LeaderF", cmd = "Leaderf" }
     else
-      use({ "Yggdroot/LeaderF", cmd = "Leaderf", run = ":LeaderfInstallCExtension" })
+      use { "Yggdroot/LeaderF", cmd = "Leaderf", run = ":LeaderfInstallCExtension" }
     end
 
     use {
-      'nvim-telescope/telescope.nvim', cmd = 'Telescope',
-      requires = { {'nvim-lua/plenary.nvim'} }
+      "nvim-telescope/telescope.nvim",
+      cmd = "Telescope",
+      requires = { { "nvim-lua/plenary.nvim" } },
     }
     -- search emoji and other symbols
-    use {'nvim-telescope/telescope-symbols.nvim', after = 'telescope.nvim'}
-
-    -- Another similar plugin is command-t
-    -- use 'wincent/command-t'
-
-    -- Another grep tool (similar to Sublime Text Ctrl+Shift+F)
-    -- use 'dyng/ctrlsf.vim'
-
-    -- A grepping tool
-    -- use {'mhinz/vim-grepper', cmd = {'Grepper', '<plug>(GrepperOperator)'}}
+    use { "nvim-telescope/telescope-symbols.nvim", after = "telescope.nvim" }
 
     -- A list of colorscheme plugin you may want to try. Find what suits you.
-    use({"lifepillar/vim-gruvbox8", opt = true})
-    use({"navarasu/onedark.nvim", opt = true})
-    use({"sainnhe/edge", opt = true})
-    use({"sainnhe/sonokai", opt = true})
-    use({"sainnhe/gruvbox-material", opt = true})
-    use({"shaunsingh/nord.nvim", opt = true})
-    use({"NTBBloodbath/doom-one.nvim", opt = true})
-    use({"sainnhe/everforest", opt = true})
-    use({"EdenEast/nightfox.nvim", opt = true})
-    use({"rebelot/kanagawa.nvim", opt = true})
-    use({"catppuccin/nvim", as = "catppuccin", opt = true})
+    use { "navarasu/onedark.nvim", opt = true }
+    use { "sainnhe/edge", opt = true }
+    use { "sainnhe/sonokai", opt = true }
+    use { "sainnhe/gruvbox-material", opt = true }
+    use { "shaunsingh/nord.nvim", opt = true }
+    use { "sainnhe/everforest", opt = true }
+    use { "EdenEast/nightfox.nvim", opt = true }
+    use { "rebelot/kanagawa.nvim", opt = true }
+    use { "catppuccin/nvim", as = "catppuccin", opt = true }
+    use({ "rose-pine/neovim", as = 'rose-pine', opt = true })
+    use { "olimorris/onedarkpro.nvim", opt = true }
+    use { "tanvirtin/monokai.nvim", opt = true }
+    use { "marko-cerovac/material.nvim", opt = true }
 
-    -- Show git change (change, delete, add) signs in vim sign column
-    use({"mhinz/vim-signify", event = 'BufEnter'})
-    -- Another similar plugin
-    -- use 'airblade/vim-gitgutter'
-
-    use {'kyazdani42/nvim-web-devicons', event = 'VimEnter'}
+    use { "nvim-tree/nvim-web-devicons", event = "VimEnter" }
 
     use {
-      'nvim-lualine/lualine.nvim',
-      event = 'VimEnter',
-      config = [[require('config.statusline')]]
+      "nvim-lualine/lualine.nvim",
+      event = "VimEnter",
+      cond = firenvim_not_active,
+      config = [[require('config.statusline')]],
     }
 
-    use({ "akinsho/bufferline.nvim", event = "VimEnter", config = [[require('config.bufferline')]] })
+    use { "akinsho/bufferline.nvim", event = "VimEnter",
+      cond = firenvim_not_active,
+      config = [[require('config.bufferline')]] }
 
     -- fancy start screen
-    use { 'glepnir/dashboard-nvim', event = "VimEnter", config = [[require('config.dashboard-nvim')]] }
+    use { "nvimdev/dashboard-nvim", event = "VimEnter",
+      cond = firenvim_not_active,
+      config = [[require('config.dashboard-nvim')]]
+    }
 
-    use({
+    use {
       "lukas-reineke/indent-blankline.nvim",
-      event = 'VimEnter',
-      config = [[require('config.indent-blankline')]]
-    })
+      event = "VimEnter",
+      config = [[require('config.indent-blankline')]],
+    }
 
     -- Highlight URLs inside vim
-    use({"itchyny/vim-highlighturl", event = "VimEnter"})
+    use { "itchyny/vim-highlighturl", event = "VimEnter" }
 
     -- notification plugin
-    use({
+    use {
       "rcarriga/nvim-notify",
       event = "BufEnter",
       config = function()
-        vim.defer_fn(function() require('config.nvim-notify') end, 2000)
-      end
-    })
+        vim.defer_fn(function()
+          require("config.nvim-notify")
+        end, 2000)
+      end,
+    }
 
     -- For Windows and Mac, we can open an URL in the browser. For Linux, it may
     -- not be possible since we maybe in a server which disables GUI.
     if vim.g.is_win or vim.g.is_mac then
       -- open URL in browser
-      use({"tyru/open-browser.vim", event = "VimEnter"})
+      use { "tyru/open-browser.vim", event = "VimEnter" }
     end
 
     -- Only install these plugins if ctags are installed on the system
     if utils.executable("ctags") then
       -- show file tags in vim window
-      use({"liuchengxu/vista.vim", cmd = "Vista"})
+      use { "liuchengxu/vista.vim", cmd = "Vista" }
     end
 
     -- Snippet engine and snippet template
-    use({"SirVer/ultisnips", event = 'InsertEnter'})
-    use({ "honza/vim-snippets", after = 'ultisnips'})
+    use { "SirVer/ultisnips", event = "InsertEnter" }
+    use { "honza/vim-snippets", after = "ultisnips" }
 
     -- Automatic insertion and deletion of a pair of characters
-    use({"Raimondi/delimitMate", event = "InsertEnter"})
+    use { "Raimondi/delimitMate", event = "InsertEnter" }
 
     -- Comment plugin
-    use({"tpope/vim-commentary", event = "VimEnter"})
+    use { "tpope/vim-commentary", event = "VimEnter" }
 
     -- Multiple cursor plugin like Sublime Text?
     -- use 'mg979/vim-visual-multi'
 
     -- Autosave files on certain events
-    use({"907th/vim-auto-save", event = "InsertEnter"})
+    use { "907th/vim-auto-save", event = "InsertEnter" }
 
     -- Show undo history visually
-    use({"simnalamburt/vim-mundo", cmd = {"MundoToggle", "MundoShow"}})
+    use { "simnalamburt/vim-mundo", cmd = { "MundoToggle", "MundoShow" } }
+
+    -- better UI for some nvim actions
+    use {'stevearc/dressing.nvim'}
 
     -- Manage your yank history
-    if vim.g.is_win or vim.g.is_mac then
-      use({"svermeulen/vim-yoink", event = "VimEnter"})
-    end
+    use({
+      "gbprod/yanky.nvim",
+      config = [[require('config.yanky')]]
+    })
 
     -- Handy unix command inside Vim (Rename, Move etc.)
-    use({"tpope/vim-eunuch", cmd = {"Rename", "Delete"}})
+    use { "tpope/vim-eunuch", cmd = { "Rename", "Delete" } }
 
     -- Repeat vim motions
-    use({"tpope/vim-repeat", event = "VimEnter"})
+    use { "tpope/vim-repeat", event = "VimEnter" }
 
-    -- Show the content of register in preview window
-    -- Plug 'junegunn/vim-peekaboo'
-    use({ "nvim-zh/better-escape.vim", event = { "InsertEnter" } })
+    use { "nvim-zh/better-escape.vim", event = { "InsertEnter" } }
 
     if vim.g.is_mac then
-      use({ "lyokha/vim-xkbswitch", event = { "InsertEnter" } })
+      use { "lyokha/vim-xkbswitch", event = { "InsertEnter" } }
     elseif vim.g.is_win then
-      use({ "Neur1n/neuims", event = { "InsertEnter" } })
+      use { "Neur1n/neuims", event = { "InsertEnter" } }
     end
 
-    -- Syntax check and make
-    -- use 'neomake/neomake'
-
     -- Auto format tools
-    use({ "sbdchd/neoformat", cmd = { "Neoformat" } })
-    -- use 'Chiel92/vim-autoformat'
+    use { "sbdchd/neoformat", cmd = { "Neoformat" } }
 
     -- Git command inside vim
-    use({ "tpope/vim-fugitive", event = "User InGitRepo" })
+    use { "tpope/vim-fugitive", event = "User InGitRepo", config = [[require('config.fugitive')]] }
 
     -- Better git log display
-    use({ "rbong/vim-flog", requires = "tpope/vim-fugitive", cmd = { "Flog" } })
+    use { "rbong/vim-flog", requires = "tpope/vim-fugitive", cmd = { "Flog" } }
 
-    use({ "christoomey/vim-conflicted", requires = "tpope/vim-fugitive", cmd = {"Conflicted"}})
+    use { "christoomey/vim-conflicted", requires = "tpope/vim-fugitive", cmd = { "Conflicted" } }
 
     use {
-        'ruifm/gitlinker.nvim',
-        requires = 'nvim-lua/plenary.nvim',
-        event = "User InGitRepo",
-        config = [[require('config.git-linker')]]
+      "ruifm/gitlinker.nvim",
+      requires = "nvim-lua/plenary.nvim",
+      event = "User InGitRepo",
+      config = [[require('config.git-linker')]],
     }
 
-    use({ "kevinhwang91/nvim-bqf", ft = "qf", config = [[require('config.bqf')]] })
+    -- Show git change (change, delete, add) signs in vim sign column
+    use { "lewis6991/gitsigns.nvim", config = [[require('config.gitsigns')]] }
 
     -- Better git commit experience
-    use({"rhysd/committia.vim", opt = true, setup = [[vim.cmd('packadd committia.vim')]]})
+    use { "rhysd/committia.vim", opt = true, setup = [[vim.cmd('packadd committia.vim')]] }
+
+    use { "kevinhwang91/nvim-bqf", ft = "qf", config = [[require('config.bqf')]] }
 
     -- Another markdown plugin
-    use({ "plasticboy/vim-markdown", ft = { "markdown" } })
+    use { "preservim/vim-markdown", ft = { "markdown" } }
 
     -- Faster footnote generation
-    use({ "vim-pandoc/vim-markdownfootnotes", ft = { "markdown" } })
+    use { "vim-pandoc/vim-markdownfootnotes", ft = { "markdown" } }
 
     -- Vim tabular plugin for manipulate tabular, required by markdown plugins
-    use({ "godlygeek/tabular", cmd = { "Tabularize" } })
-
-    -- Markdown JSON header highlight plugin
-    use({ "elzr/vim-json", ft = { "json", "markdown" } })
+    use { "godlygeek/tabular", cmd = { "Tabularize" } }
 
     -- Markdown previewing (only for Mac and Windows)
     if vim.g.is_win or vim.g.is_mac then
-      use({
+      use {
         "iamcco/markdown-preview.nvim",
-        run = function()
-          fn["mkdp#util#install"]()
-        end,
+        run = "cd app && npm install",
         ft = { "markdown" },
-      })
+      }
     end
 
-    use({'folke/zen-mode.nvim', cmd = 'ZenMode', config = [[require('config.zen-mode')]]})
+    use { "folke/zen-mode.nvim", cmd = "ZenMode", config = [[require('config.zen-mode')]] }
 
     if vim.g.is_mac then
-      use({ "rhysd/vim-grammarous", ft = { "markdown" } })
+      use { "rhysd/vim-grammarous", ft = { "markdown" } }
     end
 
-    use({"chrisbra/unicode.vim", event = "VimEnter"})
+    use { "chrisbra/unicode.vim", event = "VimEnter" }
 
     -- Additional powerful text object for vim, this plugin should be studied
     -- carefully to use its full power
-    use({"wellle/targets.vim", event = "VimEnter"})
+    use { "wellle/targets.vim", event = "VimEnter" }
 
     -- Plugin to manipulate character pairs quickly
-    -- use 'tpope/vim-surround'
-    use({"machakann/vim-sandwich", event = "VimEnter"})
+    use { "machakann/vim-sandwich", event = "VimEnter" }
 
     -- Add indent object for vim (useful for languages like Python)
-    use({"michaeljsmith/vim-indent-object", event = "VimEnter"})
+    use { "michaeljsmith/vim-indent-object", event = "VimEnter" }
 
     -- Only use these plugin on Windows and Mac and when LaTeX is installed
-    if vim.g.is_win or vim.g.is_mac and utils.executable("latex") then
-      use({ "lervag/vimtex", ft = { "tex" } })
-
-      -- use {'matze/vim-tex-fold', ft = {'tex', }}
-      -- use 'Konfekt/FastFold'
+    if utils.executable("latex") then
+      use { "lervag/vimtex", ft = { "tex" } }
     end
 
     -- Since tmux is only available on Linux and Mac, we only enable these plugins
     -- for Linux and Mac
     if utils.executable("tmux") then
       -- .tmux.conf syntax highlighting and setting check
-      use({ "tmux-plugins/vim-tmux", ft = { "tmux" } })
+      use { "tmux-plugins/vim-tmux", ft = { "tmux" } }
     end
 
     -- Modern matchit implementation
-    use({"andymass/vim-matchup", event = "VimEnter"})
+    use { "andymass/vim-matchup", event = "VimEnter" }
 
-    -- Smoothie motions
-    -- use 'psliwka/vim-smoothie'
-    use({
-      "karb94/neoscroll.nvim",
-      event = "VimEnter",
-      config = function()
-        vim.defer_fn(function() require('config.neoscroll') end, 2000)
-      end
-    })
-
-    use({"tpope/vim-scriptease", cmd = {"Scriptnames", "Message", "Verbose"}})
+    use { "tpope/vim-scriptease", cmd = { "Scriptnames", "Message", "Verbose" } }
 
     -- Asynchronous command execution
-    use({ "skywind3000/asyncrun.vim", opt = true, cmd = { "AsyncRun" } })
-    -- Another asynchronous plugin
-    -- Plug 'tpope/vim-dispatch'
+    use { "skywind3000/asyncrun.vim", opt = true, cmd = { "AsyncRun" } }
 
-    use({ "cespare/vim-toml", ft = { "toml" }, branch = "main" })
+    use { "cespare/vim-toml", ft = { "toml" }, branch = "main" }
 
     -- Edit text area in browser using nvim
     if vim.g.is_win or vim.g.is_mac then
-      use({
+      use {
         "glacambre/firenvim",
-        run = function() fn["firenvim#install"](0) end,
+        run = function()
+          fn["firenvim#install"](0)
+        end,
         opt = true,
         setup = [[vim.cmd('packadd firenvim')]],
-      })
+      }
     end
 
     -- Debugger plugin
     if vim.g.is_win or vim.g.is_linux then
-      use({ "sakhnik/nvim-gdb", run = { "bash install.sh" }, opt = true, setup = [[vim.cmd('packadd nvim-gdb')]] })
+      use { "sakhnik/nvim-gdb", run = { "bash install.sh" }, opt = true, setup = [[vim.cmd('packadd nvim-gdb')]] }
     end
 
     -- Session management plugin
-    use({"tpope/vim-obsession", cmd = 'Obsession'})
+    use { "tpope/vim-obsession", cmd = "Obsession" }
 
     if vim.g.is_linux then
-      use({"ojroques/vim-oscyank", cmd = {'OSCYank', 'OSCYankReg'}})
+      use { "ojroques/vim-oscyank", cmd = { "OSCYank", "OSCYankReg" } }
     end
 
     -- The missing auto-completion for cmdline!
-    use({"gelguy/wilder.nvim", opt = true, setup = [[vim.cmd('packadd wilder.nvim')]]})
+    use { "gelguy/wilder.nvim", opt = true, setup = [[vim.cmd('packadd wilder.nvim')]] }
 
     -- showing keybindings
-    use {"folke/which-key.nvim",
-    event = "VimEnter",
-    config = function()
-      vim.defer_fn(function() require('config.which-key') end, 2000)
-    end
+    use {
+      "folke/which-key.nvim",
+      event = "VimEnter",
+      config = function()
+        vim.defer_fn(function()
+          require("config.which-key")
+        end, 2000)
+      end,
     }
 
     -- show and trim trailing whitespaces
-    use {'jdhao/whitespace.nvim', event = 'VimEnter'}
+    use { "jdhao/whitespace.nvim", event = "VimEnter" }
 
     -- file explorer
     use {
-      'kyazdani42/nvim-tree.lua',
-      requires = { 'kyazdani42/nvim-web-devicons' },
-      config = [[require('config.nvim-tree')]]
+      "nvim-tree/nvim-tree.lua",
+      requires = { "nvim-tree/nvim-web-devicons" },
+      config = [[require('config.nvim-tree')]],
     }
 
-    use { 'ii14/emmylua-nvim', ft = 'lua' }
+    use { "ii14/emmylua-nvim", ft = "lua" }
 
-    use { 'j-hui/fidget.nvim', after = 'nvim-lspconfig', config = [[require('config.fidget-nvim')]]}
+    use { "j-hui/fidget.nvim", after = "nvim-lspconfig", tag = "legacy", config = [[require('config.fidget-nvim')]] }
   end,
   config = {
     max_jobs = 16,
-    compile_path = packer_util.join_paths(fn.stdpath('data'), 'site', 'lua', 'packer_compiled.lua'),
+    compile_path = packer_util.join_paths(fn.stdpath("data"), "site", "lua", "packer_compiled.lua"),
   },
-})
+}
 
 -- For fresh install, we need to install plugins. Otherwise, we just need to require `packer_compiled.lua`.
 if fresh_install then
@@ -386,9 +376,21 @@ if fresh_install then
   -- So plugin installation should be done after the startup process.
   packer.sync()
 else
-  local status, _ = pcall(require, 'packer_compiled')
+  local status, _ = pcall(require, "packer_compiled")
   if not status then
     local msg = "File packer_compiled.lua not found: run PackerSync to fix!"
-    vim.notify(msg, vim.log.levels.ERROR, { title = 'nvim-config' })
+    vim.notify(msg, vim.log.levels.ERROR, { title = "nvim-config" })
   end
 end
+
+-- Auto-generate packer_compiled.lua file
+api.nvim_create_autocmd({ "BufWritePost" }, {
+  pattern = "*/nvim/lua/plugins.lua",
+  group = api.nvim_create_augroup("packer_auto_compile", { clear = true }),
+  callback = function(ctx)
+    local cmd = "source " .. ctx.file
+    vim.cmd(cmd)
+    vim.cmd("PackerCompile")
+    vim.notify("PackerCompile done!", vim.log.levels.INFO, { title = "Nvim-config" })
+  end,
+})

lua/utils.lua

@@ -1,10 +1,5 @@
 local fn = vim.fn
 
--- inspect something
-function _G.inspect(item)
-  vim.pretty_print(item)
-end
-
 local M = {}
 
 function M.executable(name)
@@ -15,23 +10,27 @@ function M.executable(name)
   return false
 end
 
+--- check whether a feature exists in Nvim
+--- @feat: string
+---   the feature name, like `nvim-0.7` or `unix`.
+--- return: bool
+M.has = function(feat)
+  if fn.has(feat) == 1 then
+    return true
+  end
+
+  return false
+end
+
 --- Create a dir if it does not exist
 function M.may_create_dir(dir)
   local res = fn.isdirectory(dir)
 
   if res == 0 then
-    fn.mkdir(dir, 'p')
+    fn.mkdir(dir, "p")
   end
 end
 
-function M.get_nvim_version()
-  local actual_ver = vim.version()
-
-  local nvim_ver_str = string.format("%d.%d.%d", actual_ver.major, actual_ver.minor, actual_ver.patch)
-  return nvim_ver_str
-end
-
-
 --- Generate random integers in the range [Low, High], inclusive,
 --- adapted from https://stackoverflow.com/a/12739441/6064933
 --- @low: the lower value for this range

plugin/abbrev.vim

@@ -0,0 +1,3 @@
+" some abbreviations
+iabbrev reqire require
+iabbrev serveral several

plugin/command.vim

@@ -45,3 +45,6 @@ function! s:md_to_pdf() abort
     echoerr "Error running command"
   endif
 endfunction
+
+" json format
+command! -range JSONFormat <line1>,<line2>!python -m json.tool

spell/en.utf-8.add

@@ -194,7 +194,6 @@ wiki
 backticks
 Reddit
 LeaderF
-gruvbox8
 tabpage
 ccls
 cmake
@@ -203,6 +202,8 @@ llvm
 subsampling
 refactor
 colorschemes
+gruvbox8
+gruvbox
 Gruvbox
 monokai
 NeoSolarized
@@ -436,3 +437,24 @@ PostgreSQL
 CNY
 wechat
 ziroom
+Postgres
+plpgsql
+postgres
+PySpark
+winbar
+cmdline
+shada
+async
+localhost
+JetBrains
+localhost
+MariaDB
+SQLite
+Pgadmin
+Datagrip
+mysql
+cwd
+pyright
+stubgen
+pylance
+variadic