hint more clear at builtin bail

[undoZen]

to match package name not only \w+ but with dash or under namespace

> '/node_modules/test/abc/def'.match(/\/node_modules\/([^@\/][^\/]*|@[^\/]+\/[^\/]+)\//)
[
  '/node_modules/test/',
  'test',
  index: 0,
  input: '/node_modules/test/abc/def',
  groups: undefined
]
> '/node_modules/te-st/abc/def'.match(/\/node_modules\/([^@\/][^\/]*|@[^\/]+\/[^\/]+)\//)
[
  '/node_modules/te-st/',
  'te-st',
  index: 0,
  input: '/node_modules/te-st/abc/def',
  groups: undefined
]
> '/node_modules/@te/st/abc/def'.match(/\/node_modules\/([^@\/][^\/]*|@[^\/]+\/[^\/]+)\//)
[
  '/node_modules/@te/st/',
  '@te/st',
  index: 0,
  input: '/node_modules/@te/st/abc/def',
  groups: undefined
]