postcss-parser-tests offers a standardized testing suite for PostCSS-compatible parsers. It simplifies parser development by providing a collection of comprehensive test cases that ensure consistent handling of CSS syntax. Utilizing this package enables developers to verify their parsers adhere to expected behavior, reducing inconsistencies and improving interoperability across the PostCSS ecosystem. This promotes reliable and predictable parsing of CSS, vital for tools like linters and formatters.
The postcss-parser-tests package has seen sporadic releases since 2015. Initial releases were frequent, with versions 5.0.0 to 5.0.11 released between August 2015 and February 2017, continuing with versions 6.0.0 to 6.5.0 until May 2019. Version 8 saw releases from August 2020 to February 2025 but very inconsistent. There hasn't been a release since February 2025.
Postcss-parser-tests downloads show fluctuations from March 2024 to September 2025. Downloads generally increased throughout 2025, peaking in August at 6382. September's data is incomplete, showing a lower download count of 1945 compared to the previous months of 2025.