The most effective method for adding data to a <pre /> element is through VueJS

I have an electron app that executes a program and stores the output when data is received.

My goal is to showcase the content of this output within an html pre element.

One approach I can take is to create a variable and continuously add the output data as it arrives.

I'm curious if there's a more efficient method using VueJS. Rather than constructing a string and letting Vue render the variable like:

<pre>
   {{ outputBuffer }}
</pre>

Is there a way to directly append the incoming data? Ideally, updating the outputBuffer with new information and then appending it to the pre element, possibly by utilizing .innerHTML in a computed property.

javascriptvue.jselectron

Answer №1

This appears to be a suitable scenario for utilizing the v-text and v-for directive. Create an array called outputBuffer where you can continually add your content. Here is an example of how to implement it. Remember, you can omit the key and index parameters if they are not needed.

<pre>
  <template 
    class="scriptview-block-property"
    v-for="(value, key, index) in outputBuffer"
    v-text="value"
  />
</pre>

The v-text directive is designed for text that is not made up of multiple strings. It helps prevent unwanted line breaks and also escapes inputted variables, ensuring that including a </div> in your output does not disrupt your application. https://v2.vuejs.org/v2/api/#v-text

The v-for directive iterates through the array, providing each element for rendering purposes. https://v2.vuejs.org/v2/api/#v-for

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