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How to load external html file in a template in VueJs

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I'm new to vue js. I'm just creating a simple project where I just include vuejs through CDN. not using node/npm or cli.

I keep all my html markup in single html which looks messy as it grows. I tried to split html to views and want to include it by something analogous to ng-include of angularJs

I have worked in angular previously where there is ng-include to load external html files. I'm looking for something similar to that in vue. the whole point is to split my html files into more maintainable separate files.

have come across <template src="./myfile.html"/> but it doesn't work Can somebody help me out

like image 806
Khaleel Avatar asked Nov 02 '17 14:11

Khaleel


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1 Answers

It's actually remarkably easy, but you need to keep something in mind. Behind the scenes, Vue converts your html template markup to code. That is, each element you see defined as HTML, gets converted to a javascript directive to create an element. The template is a convenience, so the single-file-component (vue file) is not something you'll be able to do without compiling with something like webpack. Instead, you'll need to use some other way of templating. Luckily there are other ways of defining templates that don't require pre-compiling and are useable in this scenario.

1 - string/template literals

example: template: '<div>{{myvar}}</div>'

2 - render function 🤢

example: render(create){create('div')}

Vue has several other ways of creating templates, but they just don't match the criteria.

here is the example for both:

AddItem.js - using render 😠 functions

'use strict';
Vue.component('add-item', {
  methods: {
    add() {
      this.$emit('add', this.value);
      this.value = ''
    }
  },

  data () {
    return {
      value: ''
    }
  },

  render(createElement) {
    var self = this
    return createElement('div', [
      createElement('input', {
        attrs: {
          type: 'text',
          placeholder: 'new Item'
        },
        // v-model functionality has to be implemented manually
        domProps: {
          value: self.value
        },
        on: {
          input: function (event) {
            self.value = event.target.value
            // self.$emit('input', event.target.value)
          }
        }
      }),
      createElement('input', {
        attrs: {
          type: 'submit',
          value: 'add'
        },
        on: {
          click: this.add
        }
      }),
    ])
  }
});

ListItem.js - using template literals (back-ticks)

'use strict';
Vue.component('list-item', {
  template: `<div class="checkbox-wrapper" @click="check">
    <h1>{{checked ? '☑' : '☐'}} {{ title }}</h1>
  </div>`,
  props: [
    'title',
    'checked'
  ],
  methods: {
    check() {
      this.$emit('change', !this.checked);
    }
  }
});

and the html

<!DOCTYPE html>
<html lang="en">
<head>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.4.0/vue.js"></script>
  <script src="ListItem.js"></script>
  <script src="AddItem.js"></script>
</head>
<body>
<div id="app">
  <add-item @add='list.push({title:arguments[0], checked: false})'></add-item>
  <list-item v-for="(l, i) in list" :key="i" :title="l.title" :checked="l.checked" @change="l.checked=arguments[0]"></list-item>
</div>
<script type="text/javascript">
new Vue({
  el: '#app',
  data: {
    newTitle: '',
    list: [
      { title: 'A', checked: true },
      { title: 'B', checked: true },
      { title: 'C', checked: true }
    ]
  }
});
</script>
</body>
</html>


TL; DR;

See it in action at : https://repl.it/OEMt/9

like image 174
Daniel Avatar answered Sep 17 '22 11:09

Daniel