React Aspect Ratio

screenshot of React Aspect Ratio
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React Aspect Ratio

Preserve space for your element to prevent browser reflow (layout shift)

Overview

This article discusses a Tiny React library that addresses the issue of browser reflow by providing an aspect ratio placeholder. It aims to prevent layout shifts, particularly in cases where components are being downloaded and rendered by the browser. The concept of preventing Cumulative Layout Shift (CLS) is also explained in the article, emphasizing the importance of avoiding layout shifts to improve user experience. The library implementation was inspired by web development and design experts, Thierry Koblentz and Sérgio Gomes, and it utilizes a clever technique to create space based on the aspect ratio of an element. The library supports modern browsers and employs CSS custom properties and the CSS calc function.

Features

  • Prevents browser reflow: The library provides an aspect ratio placeholder that prevents layout shifts when components are being downloaded and rendered by the browser.
  • Addresses Cumulative Layout Shift (CLS): By preventing layout shifts, the library helps improve the user experience and prevents Cumulative Layout Shift.
  • Inspired by web development experts: The implementation of the library was inspired by web development and design experts Thierry Koblentz and Sérgio Gomes.

Installation

To install the library, you can use either yarn or npm:

via yarn:

yarn add library-name

via npm:

npm install library-name

Summary

This article highlights a Tiny React library that provides an aspect ratio placeholder to prevent browser reflow and layout shifts. It explains the concept of Cumulative Layout Shift (CLS) and the importance of avoiding layout shifts for better user experience. The library's implementation is both inspired by web development and design experts and utilizes a clever technique to create space based on the aspect ratio of an element. It supports modern browsers and leverages CSS custom properties and the CSS calc function for efficient implementation.

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