#vue-format package (https://github.com/LeslieYQ/vue-format)

apm install vue-format
Or Settings/Preferences ➔ Packages ➔ Search for vue-format
Language Support
Usage
It will beautify .vue file for html,css and js
Shortcut
You can also type ctrl-alt-v as a shortcut or click Packages > vue-format in the menu.
Custom Keyboard Shortcuts
See Keymaps In-Depth for more details.
For example:
'.editor':
  'ctrl-alt-b': 'atom-beautify:beautify-editor'
Configuration
use js-beautify default
Simple
See examples/simple-jsbeautifyrc/.jsbeautifyrc.
{
  "indent_size": 2,
  "indent_char": " ",
  "other": " ",
  "indent_level": 0,
  "indent_with_tabs": false,
  "preserve_newlines": true,
  "max_preserve_newlines": 2,
  "jslint_happy": true,
  "indent_handlebars": true
}