Currently, I am attempting to utilize Vue.js in conjunction with TypeScript. My goal is to create a basic form with some validation but I keep encountering errors within Visual Studio Code.
The initial errors stem from my validate function:
validate(): void {
if((this.$refs.form as Vue & { validate: () => boolean }).validate()) {
this.snackbar = true
}
},
The property 'snackbar' does not exist on the type 'CombinedVueInstance'
In addition, in my clear function, I encounter another error:
clear(): void {
this.$refs.form.clear();
},
The property 'clear' does not exist on the type 'Vue | Element | Vue[] | Element[]'. Property 'clear' does not exist on type 'Vue'.Vetur(2339)
So far, the component/FormComponent appears as follows:
<template>
<v-container class="fill-height">
<v-row
align="center"
justify="center"
>
<v-form
ref="form"
v-model="valid"
lazy-validation
>
<v-text-field
v-model="name"
:counter="10"
:rules="nameRules"
label="Name"
required
></v-text-field>
<v-text-field
v-model="email"
:rules="emailRules"
label="E-mail"
required
></v-text-field>
<v-select
v-model="select"
:items="items"
:rules="[v => !!v || 'Item is required']"
label="Item"
required
></v-select>
<v-checkbox
v-model="checkbox"
:rules="[v => !!v || 'You must agree to continue!']"
label="Do you agree?"
required
></v-checkbox>
<v-btn
:disabled="!valid"
color="success"
class="mr-4"
@click="storeUser"
>
Validate
</v-btn>
<v-btn
color="error"
class="mr-4"
@click="clear"
>
Clear
</v-btn>
</v-form>
</v-row>
</v-container>
</template>
<script lang="ts">
import axios from 'axios';
import Vue from 'vue';
import Vuelidate from 'vuelidate'
Vue.use(Vuelidate)
export default Vue.extend({
data: () => ({
valid: true,
name: '',
nameRules: [] = [
(v: any) => !!v || 'Name is required',
(v: any) => (v && v.length <= 10) || 'Name must be less than 10 characters',
],
email: '',
emailRules: [
(v: any) => !!v || 'E-mail is required',
(v: any) => /.+@.+\..+/.test(v) || 'E-mail must be valid',
],
select: null,
items: [
'Item 1',
'Item 2',
'Item 3',
'Item 4',
],
checkbox: false,
}),
methods: {
validate(): void {
if((this.$refs.form as Vue & { validate: () => boolean }).validate()) {
this.snackbar = true // The property 'snackbar' does not exist on the type 'CombinedVueInstance<Vue ...
}
},
clear(): void {
this.$refs.form.clear();
//The property 'clear' does not exist on the type 'Vue | Element | Vue[] | Element[]'.
//Property 'clear' does not exist on type 'Vue'.Vetur(2339)
},
storeUser(): void {
this.validate();
}
}
})
</script>