path-join-safer

An alternative to path.join() that prevents unanticipated .. directory access due to user-input but allows .. access done programmatically and intentionally.

ssri

Standard Subresource Integrity library -- parses, serializes, generates, and verifies integrity metadata according to the SRI spec.

dompurify

DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. It's written in JavaScript and works in all modern browsers (Safari, Opera (15+), Internet Explorer (10+), Firefox and Chrome - as well as almost anything else usin