CODEWITHSUNDEEP
javascripthtmlcssvue.jsfont-awesome
Deniz
Deniz

Reputation: 1503

how to toggle 3 or more font-awesome icons dynamically in vue.js

i am creating a rock-paper-scissors mini game with vue and i try to find a way to toggle classes like variables. for example:

<template>
  <div id="human">
    <div class="text-center">
      <div class="h2 mb-5">Human</div>

      <!-- PLEASE CHECK BELOW HERE -->
      <i class="play-hand far fa-hand-{{ iconName }}"></i>
      <!-- OR -->
      <i class="play-hand far {{ icon }}"></i>

      <div class="h3 mt-4">{{ activeHand }}</div>
      <div class="row select-hand mt-4">
        <div class="col-md-4">
          <i class="far fa-hand-rock" @click="setHand(hands[0])"></i>
        </div>
        <div class="col-md-4">
          <i class="far fa-hand-paper" @click="setHand(hands[1])"></i>
        </div>
        <div class="col-md-4">
          <i class="far fa-hand-scissors" @click="setHand(hands[2])"></i>
        </div>
      </div>
    </div>
  </div>
</template>

i marked with a commentary. I am pretty sure you get what i want to do. I don't want to use document.querySelector() for this.


<script>
export default {
  data: () => {
    return {
      activeHand: 'Choose a Hand',
      hands: [
        {
          name: 'Rock',
          strength: 'scissor',
          weakness: 'paper',
          icon: 'fa-hand-rock'
        },
        {
          name: 'Paper',
          strength: 'rock',
          weakness: 'scissor',
          icon: 'fa-hand-paper'
        },
        {
          name: 'Scissor',
          strength: 'paper',
          weakness: 'rock',
          icon: 'fa-hand-scissors'
        }
      ]
    }
  },
  methods: {
    setHand (hand) {
      console.log(hand.name)
      this.activeHand = hand.name
      console.log(hand.icon)

      let playHandSelector = document.querySelector('.play-hand')
      playHandSelector.classList.remove(this.activeHand.includes(hand))
      playHandSelector.classList.add(hand.icon)
    }
  }
}
</script>

<style lang="scss">
#human .far {
  transform: rotate(90deg);
}
</style>

There must be a vue way to toggle a class dynamically by name. maybe without a true/false toggeling?

Upvotes: 1

Views: 1387

Answers (1)

Aer0
Aer0

Reputation: 3907

You have to use Vue's v-bind directive for class bindings and put any variable usage into that markup. Take a look at the documentation here.

Eventually your code could look like this.

<i class="play-hand far" :class="icon"></i>

Keep in mind to use proper class binding syntax in either using objects or arrays.

Upvotes: 3

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