I am attempting to implement VueJs conditional rendering using handlebars in vueJs 2.0 as outlined in their official documentation, but eslint is throwing an error:
- avoid using JavaScript keyword as property name: "if" in expression {{#if ok}}
- avoid using JavaScript keyword as property name: "if" in expression {{/if}}
It seems that VueJs is not properly rendering it.
<!-- Handlebars template -->
{{#if ok}}
<h1>Yes</h1>
{{/if}}
Looking to incorporate Vue.js syntax? The documentation explains how to implement Vue.js using the v-if directive.
<h1 v-if="ok">Yes</h1>
Interested in using Handlebars alongside Vue.js? Both frameworks utilize the same {{ curly braces in templates. To avoid conflicts, you can adjust Vue's delimiters like this:
Vue.config.delimiters = ['<%', '%>'];
There are two ways to conditionally render elements:
You can either use v-if to only render the element if a certain condition is met
<h2 v-if="isVisible"> Displayed when isVisible is true </h2>
Or you can use v-show to toggle the visibility of an element by adding a hidden attribute to its style
<h2 v-show="isVisible"> Displayed but hidden by default </h2>
Both approaches have their advantages, but remember that with v-if, the element will not be in the DOM if the condition is not met.
From my understanding, the purpose of this is to clarify that the conditional statement should be applied directly to the specific node you want to display conditionally, rather than applying it to a parent tag.
In simpler terms, it's about making a comparison and not about Vue.js syntax, but rather related to Handlebars functionality.
Exploring Vue's conditional rendering syntax
<h1 v-if="ok">Show this if condition is met</h1>
<h1 v-show="ok">Display this element when condition is true</h1>
For more information, check out the original documentation. https://v2.vuejs.org/v2/guide/conditional.html#v-if-vs-v-show
Before anything else, I recommend taking a look at the Vue documentation found at https://v2.vuejs.org/v2/guide/conditional.html#v-if-vs-v-showjs. It explains how to use "v-if" and "v-show" attributes in various examples.
<h1 v-if='isVisible'>Example</h1>
<h1 v-show='isVisible'>Example</h1>
When arriving here through a search attempt to conditionally render content within {{ }} brackets, consider utilizing a computed property:
import { computed } from 'vue';
<script setup>
const buttonText = computed(() => {
return props.formObject ? 'Save' : 'Create';
});
</script>
<template>
<form>
<button type="submit">
{{ buttonText }}
</button>
</form>
</template>
v-if and v-if-else are suitable for larger elements, but this method is ideal for simple one-line conditional text.
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