Utilizing this.$refs in Vue TypeScript: Handling Vue and Element Errors with Vue[] and Element[]

When attempting to use this.$refs.calendars.$refs.calendar.showPageRange() in JavaScript, it works fine. However, when trying to implement it in TypeScript, an error occurs: '$refs' does not exist on type 'Vue | Element | Vue[] | Element[]'.

<v-date-picker
  v-model="dates"
  ref="calendars"
 />

TypeScript Code:

interface Data {
  dates?: { start: Date; end: Date };
 } 
export default Vue.extend({
  components: {
   VDatePicker: () => import('v-calendar/lib/components/date-picker.umd')
  },
   data(): Data {
    return {
      dates: undefined
     };
   },

Error Occurrence in Methods:

this.$refs.calendars.$refs.calendar.showPageRange({
    from: this.dates.end
})

An error saying "Property '$refs' does not exist on type 'Vue | Element | Vue[] | Element[]'" is displayed.
typescriptvue.js

Answer №1

Upon reflection, I realize the folly of my previous response.

It has come to my attention that $ref.xxx may point to a type of Vue or Element.

To rectify this, you can simply include an assertion like the following:

(this.$refs.calendars as Vue).$refs.calendar.showPageRange({
  from: this.dates.end
})

or

(this.$refs.calendars as VDatePicker).$refs.calendar.showPageRange({
  from: this.dates.end
})

Answer №2

//(I utilized a QSelect component from the Quasar framework)..
<template>
 <q-select ref="dropdownSelector"> </q-select>
</template>

<script lang="ts">
import { QSelect } from 'quasar';

$refs!: {
    dropdownSelector: QSelect;
};
mounted() {
        this.$nextTick(() => {
            (this.$refs.dropdownSelector).openDropdown();
        });
    }
<script>

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