clsx is a tiny yet powerful JavaScript utility for conditionally joining class names in React, Vue, and other web applications. It offers a simple and efficient way to construct dynamic class strings, handling various input types like strings, objects, and arrays. clsx intelligently filters out falsy values, ensuring clean and optimized class lists in your HTML. Its minimal footprint and ease of use make it a popular choice for managing CSS classes declaratively.
Clsx releases were most frequent in 2018-2020 and 2022-2024, with periods of inactivity in between. The initial releases occurred in late 2018, followed by several versions in early 2019. After a quiet period, updates resumed sporadically in 2020 and 2022. There was a notable release in July 2023 (2.0.0), with some updates at the end of the year and another one in April 2024, but no releases since, until August 2025.
Clsx downloads show a strong upward trend from March 2024 to August 2025, increasing from 55 million to 144 million. September 2025 downloads are significantly lower (around 33 million), but this likely reflects incomplete data for the current month.