Vue.js's @click feature can be enhanced with ternary operations

I've been attempting to achieve the following in Vue.js, but I keep encountering an error that says 

[plugin:vite:vue] Unexpected token (1:27)
:

@click="selectedFiles.push(file.id); selectedFiles.length < 1 ? isCollapse=false: isCollapse=true"

Essentially, when this image is clicked:

  1. It should add the file to the selectedFiles array
  2. .. and then check if the length is less than 1 and adjust the isCollapse boolean accordingly.

The code functions properly without the ternary operation, leading me to believe it may be a syntax issue.

javascriptvue.jsvuejs3vite

Answer №1

Avoiding the ternary operation altogether is actually possible.

isCollapse = selectedFiles.length >= 1

When it comes to ternary syntax, having spaces on either side of the colon is crucial.

selectedFiles.length < 1 ? isCollapse = false : isCollapse = true

Furthermore, it is highly recommended to use a method in this scenario. Whenever there is a need to execute more than one simple JavaScript expression in response to an event, using a method will make the code more readable and maintainable.

Answer №2

Have you attempted something similar to this:

@click="[selectedFiles.push(file.id), isCollapse = !!selectedFiles.length]"

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