Can SCSS be used to determine if an element is empty?
For instance, I'm interested in assigning a variable based on whether the class has content or not.
<div class="defaultClass">
<!-- This div is empty -->
</div>
Is there a way to do something like this:
$variable: 100%;
.defaultClass {
@if & is not empty {
$variable: 50%;
}
}
At the moment, the only way to determine if an element is empty or not is by using JavaScript. You would need to check if the element has innerHTML and then assign variables based on that.
There is a new CSS4 working draft that allows for detecting content within an element. https://developer.mozilla.org/en-US/docs/Web/CSS/:has
In theory, you could identify whether an element has certain children or not.
div:has(*){
/* apply styles if the div contains children */
--variable: 50%;
}
Similarly, there will be a selector available to check if an element is empty. https://developer.mozilla.org/en-US/docs/Web/CSS/:empty
div:empty {
/* apply styles if the div has no children */
--variable: 50%;
}
These features will not be usable in Sass until they are officially implemented.
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