Vue.directive( id, [definition] )

Vue.directive( id, [definition] )

Arguments:
    {string} id
    {Function | Object} [definition]

Usage:

Register or retrieve a global directive.

// register
Vue.directive('my-directive', {
  bind: function () {},
  inserted: function () {},
  update: function () {},
  componentUpdated: function () {},
  unbind: function () {}
})

// register (function directive)
Vue.directive('my-directive', function () {
  // this will be called as `bind` and `update`
})

// getter, return the directive definition if registered
var myDirective = Vue.directive('my-directive')

See also: Custom Directives