How to Maintain Uniform Flex-Item Width After Wrapping in Flexbox?

How to Maintain Uniform Flex-Item Width After Wrapping

Flexbox offers the ability to create flexible layouts, but when it comes to wrapping flex-items, their widths may vary drastically. To address this issue, let's delve into a clever workaround using CSS media queries.

The Solution

While not strictly a solution, the following approach provides an elegant alternative using media queries and without resorting to JavaScript.

SCSS Mixin

@mixin flex-wrap-fix($flex-basis, $max-viewport-width: 2000px) {
  flex-grow: 1;
  flex-basis: $flex-basis;
  max-width: 100%;
  $multiplier: 1;
  $current-width: 0px;
  @while $current-width <p><strong>Usage</strong></p><p>Apply the mixin to your flex item:</p><pre class="brush:php;toolbar:false">.flex-item {
  @include flex-wrap-fix(100px)
}

Advanced Alternative

If your flex container's width is not constrained to the viewport size, you can use element queries instead of browser media queries. Here's a mixin for the flex container:

@mixin flex-container-wrap-items($flex-basis, $max-expected-width: 2000px) {
  display: flex;
  flex-wrap: wrap;
  > * {
    max-width: 100%;
    flex-grow: 1;
    flex-basis: $flex-basis;
  }
  $multiplier: 1;
  $current-width: 0px;
  @while $current-width  * {
      max-width: percentage(1/$multiplier);
    }
  }
}

Explanation

For each specified flex-basis, we calculate the maximum number of items per row based on the viewport width. We then create media queries to restrict the item's maximum width as a percentage of the viewport width.

Example

Check out the updated CodePen below:

https://codepen.io/anon/pen/aNVzoJ

This demonstrates how flex-items maintain their desired width after wrapping, ensuring a consistent layout.

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