Syntax for if/else condition in SCSS mixin

Question

Hi I'm trying to learn SASS/SCSS and am trying to refactor my own mixin for clearfix

what I'd like is for the mixin to be based on whether I pass the mixin a width.

thoughts so far (pseudo code only as I will be including other mixins)

@mixin clearfix($width) {



   @if !$width {



    // if width is not passed, or empty do this



   } @else {



        display: inline-block;

        width: $width;

   }

}

here's how I thought I might call it, but it's not working.

@include clearfix();

or

@include clearfix(100%)

or

@include clearfix(960px)

I'd appreciate any help on the best or right way to do this!

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Answer 1

You could try this:

$width:auto;
@mixin clearfix($width) {

   @if $width == 'auto' {

    // if width is not passed, or empty do this

   } @else {
        display: inline-block;
        width: $width;
   }
}

I'm not sure of your intended result, but setting a default value should return false.

Syntax for if/else condition in SCSS mixin

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