CODEWITHSUNDEEP
vuejs2vue-componentvue-reactivity
Vincent Wasteels
Vincent Wasteels

Reputation: 1588

How do I make reactive global property in vuejs plugin?

I put $testCounter in a plugin to make it global :

Vue.use({
  install(Vue) {
    Vue.prototype.$testCounter = 0;
    Vue.prototype.$incrementCounter = () => {
      Vue.prototype.$testCounter++;
    };
});

I want to output it in some component. I also need its value to be updated globally, and reactively :

<template>
  <p>{{ $testCounter }}</p>
</template>

<script>
  mounted() {
    let comp = this;
    comp.watcherId = setInterval(() => {
      comp.$incrementCounter();

      // I want to remove this line and still be reactive :
      comp.$forceUpdate();

    }, 1000);
  }
</script>

I need the property to be reactive, I tried a multiple solution as watchers, computed props, vm.$set(...), but I can't find the right way to do this.

Upvotes: 2

Views: 3291

Answers (1)

Jacob Goh
Jacob Goh

Reputation: 20845

Solution 1: use Vuex

Solution 2: set the global reactive data in root component and use it by calling this.$root

demo: https://jsfiddle.net/jacobgoh101/mdt4673d/2/

HTML 

<div id="app">
  <test1>
      {{$root.testCounter}}

  </test1>
</div>

Javascript

Vue.component('test1', {
    template: `
  <div>
  test1
  <slot></slot>
  </div>
  `,
    mounted() {
        setInterval(() => {
            this.$root.incrementCounter();
        }, 1000)
    }
});

new Vue({
    el: "#app",
    data: {
        testCounter: 1
    },
    methods: {
        incrementCounter: function() {
            this.testCounter++;
        }
    }
})

Upvotes: 7

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