shared/core-utils/path.ts

   1 import { basename, extname, isAbsolute, join, resolve } from 'path'
   2
   3 let rootPath: string
   4
   5 function root () {
   6   if (rootPath) return rootPath
   7
   8   rootPath = __dirname
   9
  10   if (basename(rootPath) === 'core-utils') rootPath = resolve(rootPath, '..')
  11   if (basename(rootPath) === 'shared') rootPath = resolve(rootPath, '..')
  12   if (basename(rootPath) === 'server') rootPath = resolve(rootPath, '..')
  13   if (basename(rootPath) === 'dist') rootPath = resolve(rootPath, '..')
  14
  15   return rootPath
  16 }
  17
  18 function buildPath (path: string) {
  19   if (isAbsolute(path)) return path
  20
  21   return join(root(), path)
  22 }
  23
  24 function getLowercaseExtension (filename: string) {
  25   const ext = extname(filename) || ''
  26
  27   return ext.toLowerCase()
  28 }
  29
  30 export {
  31   root,
  32   buildPath,
  33   getLowercaseExtension
  34 }