Transform the v-model value from numerical to textual representation

Currently, I am using the <q-select> component and populating it with options fetched from an API. The issue arises when setting the value as the ID of the object, which is a number while the component expects a string, resulting in an error.

<s-select
  autocomplete
  sorted
  v-model="data.id"
  options="list"
  option-value="value"
  option-label="label"
  label="Field"
  required
 />

Attempting to convert data.id into a string by using .toString() within the v-model led to another error.

Seeking guidance on how to resolve this situation. Any suggestions?

javascriptvue.js

Answer №1

To enhance your code, you have the option to utilize a computed method along with defining a getter and setter.

computed: {
 computedDataId: {
  get() {
    return this.data.id.toString()
  },
  set(val) {
    this.data.id = Number(val)
  }
 }
}

By implementing this computed method as the model, you can streamline your approach.

<s-select
  autocomplete
  sorted
  v-model="computedDataId"
  options="list"
  option-value="value"
  option-label="label"
  label="Field"
  required
 />

Additionally, consider converting data.id to a string while retrieving it for better functionality.

Answer №2

The method cannot be used with v-model. To work around this, you can convert the fetched id to a string directly by doing the following:

let id = data.id;
data.id = id.toString();

Answer №3

<s-input
 autocomplete
 sorted-values
 :data-value="inputValue.id.toString()"
 options="list"
 option-value="value"
 option-label="label"
 text="Field"
 mandatory
/>

Answer №4

If you want to improve your template, consider using a computed property for this purpose

computed: {
 userId: function() {
   return String(this.userData.id);
 }
}

By utilizing a computed property, your template will be more organized and remain reactive

<s-select
  autocomplete
  sorted
  v-model="userId"
  options="list"
  option-value="value"
  option-label="label"
  label="Field"
  required
 />

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