feat/pack (#1)

Reviewed-on: #1
Co-authored-by: Tomas Mirchev <contact@tomastm.com>
Co-committed-by: Tomas Mirchev <contact@tomastm.com>

lsp/tailwindcss.lua

@@ -1,10 +1,37 @@
+local utils = {}
+
+function utils.root_markers_with_field(root_files, new_names, field, fname)
+  local path = vim.fn.fnamemodify(fname, ':h')
+  local found = vim.fs.find(new_names, { path = path, upward = true })
+
+  for _, f in ipairs(found or {}) do
+    -- Match the given `field`.
+    for line in io.lines(f) do
+      if line:find(field) then
+        root_files[#root_files + 1] = vim.fs.basename(f)
+        break
+      end
+    end
+  end
+
+  return root_files
+end
+
+function utils.insert_package_json(root_files, field, fname)
+  return utils.root_markers_with_field(
+    root_files,
+    { 'package.json', 'package.json5' },
+    field,
+    fname
+  )
+end
+
 ---@brief
 --- https://github.com/tailwindlabs/tailwindcss-intellisense
 ---
 --- Tailwind CSS Language Server can be installed via npm:
 ---
 --- npm install -g @tailwindcss/language-server
-local utils = require('utils')
 
 ---@type vim.lsp.Config
 return {