What is the status of Vue?

Question

What is the status of Vue?

As a beginner in JavaScript and Vue, I am experimenting with a progress bar and encountering an issue. When the progress bar reaches 0, the data disappears as intended. However, I want the data to reappear when there is progress without needing to refresh the page. Unfortunately, my current code doesn't allow the data to come back once progress is made. I suspect that I need to implement a function to handle this situation. Here is the snippet of my code:

<template>
  <div id="app" v-show="show">
    <vue-ellipse-progress :progress="progress" colorFill="#955251" :noData="nodata" :size="size" :thickness="10" />
  </div>
</template>

<script>

export default {
  name: 'app',
  props: {
    nodata: Boolean,
  },

  components: {},

  data() {
    return {
      size: 100,
      show: true,
      progress: 50,


    };
  },
  mounted() {
    if(this.progress === 0) this.nodata = true
  },
  methods: {},
};
</script>

I have tried using conditions like

"if(this.progress === Number) this.nodata = false"

. While it worked with

"if(this.progress === 1) this.nodata = false"

, the problem is that the progress bar needs to reach exactly 1 for the data to display again. If the progress jumps to something like 20 instantly, it still won't show any data.

I could manually set conditions for all increments (such as 1, 2, 3, etc.) but I believe there must be a simpler solution.

If anyone can offer some guidance, I would greatly appreciate it :)

javascript vue.js

Answer 1

Answer №1

Utilizing Vue 2 and the Vue CLI, I created a variety of Single File Components inspired by your initial code. For those who are new to Vue, there are a few key points to consider:

In Vue, props serve as a means to transfer data from a parent component to a child component. However, in your code snippet, there is no indication of a parent component passing the nodata prop.
My approach involves utilizing both a parent and child component. Instead of using noData, I opted to pass progressProp while converting it into a computed property within my example.
Your current implementation involves mutating the nodata prop directly, which is generally discouraged. To address this, consider initializing a local data option and setting it with the prop value. Subsequently, any required mutations should be done on the local data option. In my case, I initialized both progress and progressProp data options accordingly.

The following sections outline the components:

Parent.vue

<template>
  <div class="parent">
    <div class="row">
      <div class="col-md-6">
        <vue-ellipse-progress :progressProp="50" />
      </div>
    </div>
  </div>
</template>

<script>
  import VueEllipseProgress from './VueEllipseProgress'

  export default {
    components: {
      VueEllipseProgress
    }
  }
</script>

VueEllipseProgress.vue

<template>
  <div class="vue-ellipse-progress">
    <vue-ellipse-progress :progress="progress" colorFill="#955251" :noData="noData" :size="size" :thickness="10" />
    <div class="form-group">
      <label for="select-progress">Select Progress Amount</label>
      <select class="form-control" id="select-progress" v-model="progress">
        <option :value="0">0</option>
        <option :value="25">25</option>
        <option :value="50">50</option>
        <option :value="75">75</option>
        <option :value="100">100</option>
      </select>
    </div>
  </div>
</template>

<script>
  export default {
    name: 'VueEllipseProgress',
    props: {
      progressProp: {
        type: Number,
        required: true
      }
    },
    computed: {
      noData() {
        return (this.progress === 0) ? true : false;
      }
    },
    data() {
      return {
        size: 100,
        show: true,
        progress: this.progressProp,
      };
    },
    methods: {},
  };
</script>

Answer 2

Utilizing Vue 2 and the Vue CLI, I created a variety of Single File Components inspired by your initial code. For those who are new to Vue, there are a few key points to consider:

In Vue, props serve as a means to transfer data from a parent component to a child component. However, in your code snippet, there is no indication of a parent component passing the nodata prop.
My approach involves utilizing both a parent and child component. Instead of using noData, I opted to pass progressProp while converting it into a computed property within my example.
Your current implementation involves mutating the nodata prop directly, which is generally discouraged. To address this, consider initializing a local data option and setting it with the prop value. Subsequently, any required mutations should be done on the local data option. In my case, I initialized both progress and progressProp data options accordingly.

The following sections outline the components:

Parent.vue

<template>
  <div class="parent">
    <div class="row">
      <div class="col-md-6">
        <vue-ellipse-progress :progressProp="50" />
      </div>
    </div>
  </div>
</template>

<script>
  import VueEllipseProgress from './VueEllipseProgress'

  export default {
    components: {
      VueEllipseProgress
    }
  }
</script>

VueEllipseProgress.vue

<template>
  <div class="vue-ellipse-progress">
    <vue-ellipse-progress :progress="progress" colorFill="#955251" :noData="noData" :size="size" :thickness="10" />
    <div class="form-group">
      <label for="select-progress">Select Progress Amount</label>
      <select class="form-control" id="select-progress" v-model="progress">
        <option :value="0">0</option>
        <option :value="25">25</option>
        <option :value="50">50</option>
        <option :value="75">75</option>
        <option :value="100">100</option>
      </select>
    </div>
  </div>
</template>

<script>
  export default {
    name: 'VueEllipseProgress',
    props: {
      progressProp: {
        type: Number,
        required: true
      }
    },
    computed: {
      noData() {
        return (this.progress === 0) ? true : false;
      }
    },
    data() {
      return {
        size: 100,
        show: true,
        progress: this.progressProp,
      };
    },
    methods: {},
  };
</script>

What is the status of Vue?

Answer №1

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