quartermaster/pkg/ui/frontend/src/mixins/titleMixin.js

function getTitle (vm) {
    const { title } = vm.$options
    if (title) {
      return typeof title === 'function'
        ? title.call(vm)
        : title
    }
  }
  export default {
    mounted () {
      const title = getTitle(this)
      if (title) {
        document.title = "Quartermaster - " + title
      }
    }
  }