JSBI is a pure-JavaScript implementation of [the ECMAScript BigInt proposal](https://tc39.es/proposal-bigint/), which officially became a part of the JavaScript language in ES2020.
The 2020 Most Modern Testing Framework For Node.JS With Test Contexts (Reusable BeforeEach / AfterEach Via Separate Files); Masks (Inputs/Outputs In Non-Js Files) And Fork Testing; Interactive Snapshots.
Fast, lightweight JSON Schema validator for Node.js and browsers — full support for draft-04, draft-06, draft-07, draft-2019-09, and draft-2020-12 (latest)
Migrate JSON-Schema `draft-04` to `draft-07`, `draft-2019-09` or `draft-2020-12`
Regular expression matching for URL's. Maintained, safe, and browser-friendly version of url-regex. Resolves CVE-2020-7661. Works in Node v10.12.0+ and browsers.
(temporary fork of `memoize-fs`, until #17 es2020 support is fixed) memoize/cache in file system solution for Node.js