opnform/client/pages/forms/[slug]/edit.vue

<template>
  <div class="w-full flex flex-col">
    <form-editor v-if="!formsLoading || form" ref="editor"
                 :is-edit="true"
                 @on-save="formInitialHash=null"
    />
    <div v-else-if="!formsLoading && error" class="mt-4 rounded-lg max-w-xl mx-auto p-6 bg-red-100 text-red-500">
      {{ error }}
    </div>
    <div v-else class="text-center mt-4 py-6">
      <Loader class="h-6 w-6 text-nt-blue mx-auto"/>
    </div>
  </div>
</template>

<script setup>
import {computed} from 'vue'
import FormEditor from "~/components/open/forms/components/FormEditor.vue";
import {hash} from "~/lib/utils.js";

const formsStore = useFormsStore()
const workingFormStore = useWorkingFormStore()
const workspacesStore = useWorkspacesStore()

if (!formsStore.allLoaded) {
  formsStore.startLoading()
}
const updatedForm = storeToRefs(workingFormStore).content
const form = computed(() => formsStore.getByKey(useRoute().params.slug))
const formsLoading = computed(() => formsStore.loading)

const error = ref(null)
const formInitialHash = ref(null)

function isDirty() {
  return formInitialHash.value && updatedForm.value && formInitialHash.value !== hash(JSON.stringify(updatedForm.value.data() ?? null))
}

function initUpdatedForm() {
  if (!form || !form.value) {
    return
  }

  updatedForm.value = useForm(form.value)
  if (!updatedForm.value) {
    return
  }
  formInitialHash.value = hash(JSON.stringify(updatedForm.value.data()))

  if (updatedForm.value && (!updatedForm.value.notification_settings || Array.isArray(updatedForm.value.notification_settings))) {
    updatedForm.value.notification_settings = {}
  }
}

// Create a form.id watcher that updates working form
watch(form, (form) => {
  if (form.value) {
    initUpdatedForm()
  }
})

onBeforeRouteLeave((to, from, next) => {
  if (isDirty()) {
    return useAlert().confirm('Changes you made may not be saved. Are you sure want to leave?', () => {
      window.onbeforeunload = null
      next()
    }, () => {
    })
  }
  next()
})

onBeforeMount(() => {
  if (process.client) {
    window.onbeforeunload = () => {
      if (isDirty()) {
        return false
      }
    }
  }

  if (!form.value && !formsStore.allLoaded) {
    formsStore.loadAll(workspacesStore.currentId).then(()=>{
      initUpdatedForm()
    })
  } else {
    initUpdatedForm()
  }
})

useOpnSeoMeta({
  title: 'Edit ' + ((form && form.value) ? form.value.title : 'Your Form')
})
definePageMeta({
  middleware: "auth"
})
</script>