Elements with v-for directive failing to display

I am attempting to incorporate a component using v-for. The data source infoTexts is structured as an Object where the locale code serves as the key and the corresponding message is the value. For example:

{
    nl: 'Text in Dutch',
    fr: 'Text in French',
    en: 'Text in English'
}

Here is the code I am using to include the components:

<text-editor v-for="(value, index) in infoTexts" :key="index" :database-message-contents="value" :message-locale-code="index"></text-editor>

Both database-message-contents and message-locale-code are properties on the text-editor component.

While no errors appear in my console, the text-editor component does not display.

javascriptvue.jsvuejs2

Answer №1

There was a confusion surrounding the life cycle of Vue that needed to be addressed. I initially created the infoTexts in the mounted method, but moving it to the created method resolved the problem.

Answer №2

Your response to the issue at hand is only partially accurate and may lead other users astray.

Allow me to explain why:

  • The core of this problem does not stem from using incorrect Vue lifecycle methods
  • v-for itself is reactive, which means you can insert an element at any point during the lifecycle and it will simply re-render.

If we look at the code snippet in your mounted method:

this.infoTexts.nl = 'Text in Dutch'

This piece of code is ineffective because Vue cannot recognize properties added to objects dynamically.

Instead, you should utilize the Vue.set method provided by Vue. Therefore, your revised code would resemble the following:

Vue.set(this.infoTexts, 'nl', 'Text in Dutch');

By implementing the above code, you can effortlessly incorporate new languages whenever necessary, irrespective of the lifecycle method being used.

Even if you haven't shared the code showcasing the creation of your infoTexts array, it often leads to complications 95% of the time.

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