whatwg-mimetype160mMIT4.0.0Parses, serializes, and manipulates MIME types, according to the WHATWG MIME Sniffing Standard
jsdomIl y a over 1 yearcontent-type, mime type, mimesniff, http nth-check140mBSD-2-Clause2.1.1Parses and compiles CSS nth-checks to highly optimized functions.
fb55Il y a about 3 yearsnth-child, nth, css http-cache-semantics116.4mBSD-2-Clause4.2.0Parses Cache-Control and other headers. Helps building correct HTTP caches and proxies
kornelskiIl y a 2 months ssri146.9mISC12.0.0Standard Subresource Integrity library -- parses, serializes, generates, and verifies integrity metadata according to the SRI spec.
npmIl y a about 2 monthsw3c, web, security, integrity data-urls126.7mMIT5.0.0Parses data: URLs
jsdomIl y a over 1 yeardata url, data uri, data:, http