add my first (broken) rooter plugin

after/ftplugin/lua.lua

@@ -0,0 +1,4 @@
+-- Run selection (simpler, but requires visual mode to be active)
+vim.keymap.set('v', '<leader>x', ':lua <C-R>=getline("\'<", "\'>")<CR><CR>', { desc = 'execute selection' })
+-- Run whole buffer
+vim.keymap.set('n', '<leader>xx', ':luafile %<CR>', { desc = 'execute buffer' })

lua/plugins/local.lua

@@ -0,0 +1,9 @@
+return {
+  dir = '~/.config/nvim/lua/plugins/local/rooter.lua',
+  name = 'rooter',
+  config = function()
+    require('rooter').setup {
+      greeting = 'Loaded via lazy.nvim!',
+    }
+  end,
+}

lua/plugins/local/rooter.lua

@@ -0,0 +1,93 @@
+local log_level = vim.log.levels.ERROR
+
+local function log(msg, level)
+  if level == vim.log.levels.ERROR then
+    vim.notify(msg, level)
+  else
+    print(msg)
+  end
+end
+
+local function get_root()
+  local clients = vim.lsp.get_clients { bufnr = 0 }
+  if #clients == 0 then return vim.fs.root(0, { '.git' }) end
+
+  -- Define priority order (higher priority first)
+  local priority_order = {
+    'vtsls',
+    'eslint', -- formatting/linting servers last
+  }
+
+  -- Find highest priority client
+  for _, priority_name in ipairs(priority_order) do
+    for _, client in ipairs(clients) do
+      if client.name == priority_name then return client.config.root_dir end
+    end
+  end
+
+  -- Fallback to first client with a root_dir
+  for _, client in ipairs(clients) do
+    if client.config.root_dir then return client.config.root_dir end
+  end
+
+  local git_root = vim.fs.root(0, { '.git' })
+  if git_root then return git_root end
+
+  log 'No LSP client found with root_dir'
+end
+
+local function debounce(fn, ms)
+  local timer = nil
+  return function(...)
+    local args = { ... }
+    if timer then
+      timer:stop()
+      timer:close()
+    end
+    timer = vim.uv.new_timer()
+    timer:start(ms, 0, function()
+      vim.schedule(function() fn(unpack(args)) end)
+      timer:close()
+      timer = nil
+    end)
+  end
+end
+
+local function on_lsp_attach()
+  local root = get_root()
+  if root then
+    vim.notify('root_dir detected: ' .. root, log_level)
+    vim.cmd('lcd ' .. root)
+  else
+    vim.notify('No project root found', log_level)
+  end
+end
+
+local debounced_on_attacched = debounce(function()
+  on_lsp_attach()
+  vim.notify 'on_attach_done'
+end, 1000)
+
+local M = {}
+
+-- Plugin configuration
+M.config = {
+  greeting = 'Hello from rooter!',
+  some = 'option',
+}
+
+-- Main plugin function
+function M.setup(opts)
+  M.config = vim.tbl_deep_extend('force', M.config, opts or {})
+
+  vim.api.nvim_create_autocmd('LspAttach', {
+    group = vim.api.nvim_create_augroup('my-rooter', { clear = true }),
+    callback = debounced_on_attacched,
+  })
+
+  -- Create user commands
+  -- vim.api.nvim_create_user_command('MyPluginGreet', function() print(M.config.greeting) end, {})
+  -- vim.api.nvim_create_user_command('MyPluginStatus', function() print('Plugin loaded with config:', vim.inspect(M.config)) end, {})
+end
+
+return M