Initial vim config (lua & vimplug)

init.lua

-- GUI Cursor
vim.o.guicursor = 'n-v-c-i:block'

-- Line Numbers
vim.wo.number = true vim.wo.relativenumber = true
-- <vleader> key
vim.g.mapleader = "\\"
-- Mouse Support
vim.o.mouse = 'a'

-- Autoindent
vim.o.autoindent = true

-- Tab Setting
vim.o.tabstop = 2
vim.o.shiftwidth = 2
vim.o.smarttab = true
vim.o.softtabstop = 2
vim.o.expandtab = true

-- Background
vim.o.background = 'dark'

-- Having offtop when pressing z + enter from the bottom of the screen
vim.o.scrolloff = 4
-- Plugins
vim.cmd [[call plug#begin()]]

vim.cmd [[Plug 'https://github.com/preservim/nerdtree']]
vim.cmd [[Plug 'neoclide/coc.nvim', {'branch': 'release'}]]
vim.cmd [[Plug 'https://github.com/bluz71/vim-moonfly-colors']]

vim.cmd [[Plug 'https://github.com/nvim-telescope/telescope.nvim']]
vim.cmd [[Plug 'nvim-lua/plenary.nvim']] -- required by telescope, checkhealth 'plenary not found ERROR'

vim.cmd [[Plug 'rust-lang/rust.vim']]
vim.cmd [[Plug 'neovim/nvim-lspconfig']]
vim.cmd [[Plug 'jose-elias-alvarez/null-ls.nvim']]
-- vim.cmd [[Plug 'prettier/vim-prettier', { 'do': 'yarn install' }]]
vim.cmd [[Plug 'https://github.com/tpope/vim-commentary']] -- For Commenting gcc & gc
vim.cmd [[Plug 'kabouzeid/nvim-lspinstall']]

-- eslint
vim.cmd [[Plug 'jose-elias-alvarez/null-ls.nvim']]
vim.cmd [[Plug 'MunifTanjim/eslint.nvim']]

vim.cmd [[Plug 'nvim-lualine/lualine.nvim']]

vim.cmd [[Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}]]

-- If you want to have icons in your statusline choose one of these
vim.cmd [[Plug 'nvim-tree/nvim-web-devicons']]

vim.cmd [[Plug 'm4xshen/autoclose.nvim']]
vim.cmd [[Plug 'williamboman/mason-lspconfig.nvim']]
vim.cmd [[Plug 'williamboman/mason.nvim']]

vim.cmd [[Plug 'sondrele/rust-src']] -- Rust autocompletion

vim.cmd [[Plug 'tpope/vim-fugitive']]
vim.cmd [[Plug 'lewis6991/gitsigns.nvim']]
vim.cmd [[Plug 'sindrets/diffview.nvim']]

vim.cmd [[call plug#end()]]

vim.api.nvim_create_user_command('Prettier', function()
  vim.fn.CocAction('runCommand', 'prettier.formatFile')
end, {})

-- NERDTree Keybindings
vim.api.nvim_set_keymap('n', '<C-f>', ':NERDTreeFocus<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<C-n>', ':NERDTree<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<C-t>', ':NERDTreeToggle<CR>', { noremap = true, silent = true })

-- Telescope Keybinding
vim.api.nvim_set_keymap('n', '<C-q>', ':Telescope<CR>', { noremap = true, silent = true })

-- Gitsigns Keybindings
vim.api.nvim_set_keymap('n', '<leader>hs', ':Gitsigns stage_hunk<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<leader>hP', ':Gitsigns preview_hunk<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<leader>hu', ':Gitsigns undo_stage_hunk<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<leader>hp', ':Gitsigns preview_hunk_inline<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<leader>hd', ':Gitsigns diffthis<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<leader>hD', ':lua require"gitsigns".diffthis("~")<CR>', { noremap = true, silent = true })

-- Diffview Keybinding
vim.api.nvim_set_keymap('n', '<leader>do', ':DiffviewOpen<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<leader>ds', ':DiffviewOpen --cached<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<leader>dc', ':DiffviewClose<CR>', { noremap = true, silent = true })
vim.api.nvim_set_keymap('n', '<leader>dtf', ':DiffviewToggleFiles<CR>', { noremap = true, silent = true })

-- Figutive Keybinding
vim.api.nvim_set_keymap('n', '<leader>stg', ':Git add -p<CR>', { noremap = true, silent = true })

vim.cmd [[colorscheme moonfly]]

-- Rust and Prettier Settings
vim.g.rustfmt_autosave = 1

-- vim.g['prettier#autoformat'] = 1
-- vim.g['prettier#autoformat_require_pragma'] = 0

require('lualine').setup {
  options = {
    icons_enabled = true,
    theme = 'moonfly',
    component_separators = { left = '', right = ''},
    section_separators = { left = '', right = ''},
    disabled_filetypes = {
      statusline = {},
      winbar = {},
    },
    ignore_focus = {},
    always_divide_middle = true,
    globalstatus = false,
    refresh = {
      statusline = 1000,
      tabline = 1000,
      winbar = 1000,
    }
  },
  sections = {
    lualine_a = {'mode'},
    lualine_b = {'branch', 'diff', 'diagnostics'},
    lualine_c = {'filename'},
    lualine_x = {'encoding',
		-- 'fileformat',
		'filetype'},
    lualine_y = {'progress'},
    lualine_z = {'location'}
  },
  inactive_sections = {
    lualine_a = {},
    lualine_b = {},
    lualine_c = {},
    lualine_x = {'location'},
    lualine_y = {},
    lualine_z = {}
  },
  tabline = {},
  winbar = {},
  inactive_winbar = {},
  extensions = {}
}

local eslint = require("eslint")

local null_ls = require("null-ls")


eslint.setup({
  bin = 'eslint', -- or `eslint_d`
  code_actions = {
    enable = true,
    apply_on_save = {
      enable = true,
      types = { "directive", "problem", "suggestion", "layout" },
    },
    disable_rule_comment = {
      enable = true,
      location = "separate_line", -- or `same_line`
    },
  },
  diagnostics = {
    enable = true,
    report_unused_disable_directives = false,
    run_on = "type", -- or `save`
  },
})
local lspconfig = require("lspconfig")

require("autoclose").setup()

local lsp_capabilities = vim.lsp.protocol.make_client_capabilities()

require("mason").setup()
require("mason-lspconfig").setup({
	ensure_installed = { "rust_analyzer", "ts_ls",  "eslint" },
  handlers = {
    function(server)
      lspconfig[server].setup({
        capabilities = lsp_capabilities,
      })
    end,
    ['ts_ls'] = function()
        lspconfig.ts_ls.setup({
        capabilities = lsp_capabilities,
        settings = {
        completions = {
          completeFunctionCalls = true
        }
      }
    })
    end
  }
})

-- copypaste from nvim-lspconfig repo
-- Global mappings.
-- See `:help vim.diagnostic.*` for documentation on any of the below functions
vim.keymap.set('n', '<space>e', vim.diagnostic.open_float)
vim.keymap.set('n', '[d', vim.diagnostic.goto_prev)
vim.keymap.set('n', ']d', vim.diagnostic.goto_next)
vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist)

-- Use LspAttach autocommand to only map the following keys
-- after the language server attaches to the current buffer
vim.api.nvim_create_autocmd('LspAttach', {
  group = vim.api.nvim_create_augroup('UserLspConfig', {}),
  callback = function(ev)
    -- Enable completion triggered by <c-x><c-o>
    vim.bo[ev.buf].omnifunc = 'v:lua.vim.lsp.omnifunc'

    -- Buffer local mappings.
    -- See `:help vim.lsp.*` for documentation on any of the below functions
    local opts = { buffer = ev.buf }
    vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, opts)
    vim.keymap.set('n', 'gd', vim.lsp.buf.definition, opts)
    vim.keymap.set('n', 'K', vim.lsp.buf.hover, opts)
    vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, opts)
    vim.keymap.set('n', '<C-k>', vim.lsp.buf.signature_help, opts)
    vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, opts)
    vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, opts)
    vim.keymap.set('n', '<space>wl', function()
      print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
    end, opts)
    vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, opts)
    vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, opts)
    vim.keymap.set({ 'n', 'v' }, '<space>ca', vim.lsp.buf.code_action, opts)
    vim.keymap.set('n', 'gr', vim.lsp.buf.references, opts)
    vim.keymap.set('n', '<space>f', function()
      vim.lsp.buf.format { async = true }
    end, opts)
  end,
})


require('gitsigns').setup{
  current_line_blame = true, -- Toggle with `:Gitsigns toggle_current_line_blame`
  -- enhanced_diff_hl = true
  signs = {
    add          = {  text = ' ' },
    change       = {  text = ' ' },
    delete       = {  text = ' ' },
    topdelete    = {  text = ' ' },
    changedelete = {  text = ' ' },
  }
}

vim.api.nvim_set_hl(0, 'GitSignsAdd', { bg = '#0ade00', fg = '#ffffff' })
vim.api.nvim_set_hl(0, 'GitSignsChange', { bg = '#debc00', fg = '#ffffff' })
vim.api.nvim_set_hl(0, 'GitSignsDelete', { bg = '#ff0000', fg = '#ffffff' })
vim.api.nvim_set_hl(0, 'GitSignsAddNr', { bg = '#0ade00', fg = '#ffffff' })
vim.api.nvim_set_hl(0, 'GitSignsChangeNr', { bg = '#debc00', fg = '#ffffff' })
vim.api.nvim_set_hl(0, 'GitSignsDeleteNr', { bg = '#ff0000', fg = '#ffffff' })

-- vim.diagnostic.config({
--   virtual_text = false
-- })