Limit the v-text-field input to only accept a single digit

I am currently working on creating an SMS verification code component using a series of v-text-field components. My goal is to limit the input to just a single digit.

<v-text-field
            v-for="(num, key) of code"
            :key="key"
            type="number"
            outlined
            v-model.number="num.char"
        ></v-text-field>

While searching for solutions, I came across suggestions to use props like maxlength or pattern, but these appear to be outdated answers for V1 of Vuetify. I am using the latest release of V2.

One potential solution involves hooking up a method to the @input event to manually check the input. However, I feel like there may be a simpler solution that I am overlooking.

javascriptvue.jsvuejs2vuetify.js

Answer №1

To establish guidelines within the data function:

data() {
  return {
    rules: {
      counter: value => value.length <= 1 || 'Max 1 character',
    }
  }
}

Following that, within the template:

<v-text-field
  v-for="(num, key) of code"
  :key="key"
  type="number"
  outlined
  v-model.number="num.char"
  :rules="[rules.counter]"
></v-text-field>

Alternatively, you can utilize the maxlength property.

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