[Vuejs]-How to use v-model and other js plugins in the same select

https://v2.vuejs.org/v2/guide/migration.html#twoWay-Prop-Option-removed

twoWay Prop Option removed

Props are now always one-way down. To produce side effects in the
parent scope, a component needs to explicitly emit an event instead of
relying on implicit binding.

You will need to write a wrapper component. As it happens, the example is for select2.