code: function mount (obj, name, host) {
    host = host || window
    if (typeof host[name] === 'undefined') {
      host[name] = obj
    }
  }
docs: import promise from 'babel-runtime/core-js/promise' import objectAssign from 'babel-runtime/core-js/object/assign' import objectCreate from 'babel-runtime/core-js/object/create' import objectFreeze from 'babel-runtime/core-js/object/freeze' import objectGetPrototypeOf from 'babel-runtime/core-js/object/get-prototype-of'