system/home/progs/nvim/lua/plugins.lua

-------------------------------------------------------------------------------
--
-- NerdTree
--

vim.g.NERDTreeDirArrowExpandable = "▸"
vim.g.NERDTreeDirArrowCollapsible = "▾"

vim.g.NERDTreeMiniamlUI = 1
vim.g.NERDTreeDirArrows = 1

-- Nerdtree git plugin symbols
vim.g.NERDTreeGitStatusIndicatorMapCustom = {
	Modified = "ᵐ",
	Staged = "ˢ",
	Untracked = "ᵘ",
	Renamed = "ʳ",
	Unmerged = "ᶴ",
	Deleted = "ˣ",
	Dirty = "˜",
	Clean = "ᵅ",
	Unknown = "?",
}

vim.keymap.set("n", "<leader>nt", ":NERDTreeToggle<CR>")
vim.keymap.set("n", "<leader>nf", ":NERDTreeFind<CR>")

-------------------------------------------------------------------------------
--
-- NeoFormat
--
vim.g.neoformat_try_node_exe = 1
vim.g.neoformat_only_msg_on_error = 1
vim.g.neoformat_enabled_markdown = { "denofmt" }

vim.cmd([[
aug fmt
  au!
  au BufWritePre * try | undojoin | Neoformat | catch /E790/ | Neoformat | endtry
aug END
]])
--[[ TODO: need to investigate how implement it in lua
local format_augroup = vim.api.nvim_create_augroup('format', {})
vim.api.nvim_create_autocmd('BufWritePre', {
  pattern = '*',
  group = spell_check_augroup,
  callback = function ()
    local ok, _ = pcall(function ()
      vim.fn.undojoin();
      vim.cmd'NeoFormat';
    end)

    if not ok then vim.cmd'NeoFormat' end
  end
})
]]
--

-------------------------------------------------------------------------------
--
-- GitGutter
--
vim.g.gitgutter_sign_priority = 1
vim.g.gitgutter_set_sign_backgrounds = 0
vim.g.gitgutter_map_keys = 0

vim.keymap.set("n", "<leader>ghp", ":GitGutterPreviewHunk<CR>")

-------------------------------------------------------------------------------
--
-- TreeSitter
--
require("nvim-treesitter.configs").setup({
	-- A list of parser names, or "all"
	ensure_installed = {
		"typescript",
		"tsx",
		"rust",
		"haskell",
	},

	-- Install parsers synchronously (only applied to `ensure_installed`)
	sync_install = false,

	highlight = {
		enable = true,
	},

	indent = {
		enable = true,
	},
})