Could you provide suggestions on how to update the content of an HTML tag within a Vue component?

I am new to Vue.js and struggling to grasp its concepts. I am interested in finding a way for my custom Vue component (UnorderedList) to manipulate the content within it.

For example, if I have <p> tags inside my component like this :

<UnorderedList :dashed="true">
     <p>some sentence here</p>
     <p>some sentence here</p>
</UnorderedList>

the rendered page would display as follows:


some sentence here
some sentence here

My goal is to have my component automatically prefix a "-" before each <p> tag, resulting in the following rendering:

- some sentence here
- some sentence here

This is how my UnorderedList.vue file looks currently:

<template>
  <ul >
    <span v-if="dashed">-</span>
  </ul>
</template>

<script>

export default {
  name: 'UnorderedList',
  props: {
    dashed: {
      type: Boolean,
      default: false,
    },
  },
}
</script>

Unfortunately, the above code does not achieve the desired result. I am seeking a solution that will add a "-" before all content within the custom component (UnorderedList).

If anyone has any suggestions on how to accomplish this, please let me know. And I apologize if this seems like a basic question.

Answer №1

One way to enhance your Vue.js code is by using Vue Filters.

            Vue.filter('dash', function (value) {
              if (!value) return ''
              value = `- ${value}`;
              return value;
            })


            var app = new Vue({
                      el: '#app',
                      data: {
                        message: 'Hello Vue!'
                      }
                    })
<div id="app">
        {{message | dash}}
</div>

Once you have created the filter, you can easily apply it in your HTML template as shown above (message | dash )

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