bday2020/ui/src/components/admin/Preview.vue

<template>
  <form @submit="check">
    <h2>Vorschau</h2>

    <button value="next">Sieht gesund aus. Absenden!</button>
    <button value="back" class="back">Da fehlt noch was. Zurück!</button>
  </form>
</template>

<script>
export default {
  name: "Preview",

  methods: {
    check(event) {
      event.preventDefault();
      event.submitter.disabled = true;

      if (event.submitter.value === "next") {
        // success
      } else {
        this.$emit("back");
      }
    },
  },
};
</script>