init.lua

-- Neovim Configuration

vim.loader.enable()

-- Leader key (must be set before plugins)
vim.g.mapleader = ' '
vim.g.maplocalleader = ' '

-- Globals
vim.g.have_nerd_font = true

-- Helper for GitHub URLs (used by plugin/ files)
function _G.gh(repo)
  return 'https://github.com/' .. repo
end

-- Options
vim.opt.number = true
vim.opt.relativenumber = true
vim.opt.mouse = 'a'
vim.opt.tabstop = 2
vim.opt.softtabstop = 2
vim.opt.shiftwidth = 2
vim.opt.showmode = false
vim.opt.breakindent = true
vim.opt.undofile = true
vim.opt.ignorecase = true
vim.opt.smartcase = true
vim.opt.signcolumn = 'yes'
vim.opt.updatetime = 250
vim.opt.timeoutlen = 300
vim.opt.splitright = true
vim.opt.splitbelow = true
vim.opt.list = true
vim.opt.listchars = { tab = '» ', trail = '·', nbsp = '␣' }
vim.opt.inccommand = 'split'
vim.opt.cursorline = true
vim.opt.scrolloff = 10
vim.opt.confirm = true

-- Clipboard (scheduled to avoid startup delay)
vim.schedule(function()
  vim.opt.clipboard = 'unnamedplus'
end)

-- Basic keymaps
vim.keymap.set('n', '<Esc>', '<cmd>nohlsearch<CR>')
vim.keymap.set('n', '<leader>q', vim.diagnostic.setloclist, { desc = 'Open diagnostic [Q]uickfix list' })
vim.keymap.set('n', '<leader>e', vim.diagnostic.open_float, { desc = 'Open [E]rror diagnostic float' })
vim.keymap.set('t', '<Esc><Esc>', '<C-\\><C-n>', { desc = 'Exit terminal mode' })

-- Window navigation
vim.keymap.set('n', '<C-h>', '<C-w><C-h>', { desc = 'Move focus to the left window' })
vim.keymap.set('n', '<C-l>', '<C-w><C-l>', { desc = 'Move focus to the right window' })
vim.keymap.set('n', '<C-j>', '<C-w><C-j>', { desc = 'Move focus to the lower window' })
vim.keymap.set('n', '<C-k>', '<C-w><C-k>', { desc = 'Move focus to the upper window' })

-- Highlight on yank
vim.api.nvim_create_autocmd('TextYankPost', {
  desc = 'Highlight when yanking (copying) text',
  group = vim.api.nvim_create_augroup('highlight-yank', { clear = true }),
  callback = function()
    vim.hl.on_yank()
  end,
})

-- PackChanged hook for plugin post-update actions
vim.api.nvim_create_autocmd('PackChanged', {
  callback = function(ev)
    local name, kind = ev.data.spec.name, ev.data.kind
    -- Update treesitter parsers when nvim-treesitter is updated
    if name == 'nvim-treesitter' and kind == 'update' then
      if not ev.data.active then
        vim.cmd.packadd 'nvim-treesitter'
      end
      vim.cmd 'TSUpdate'
    end
  end,
})

-- plugin/ files are auto-sourced alphabetically