url-regex-safe
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.
get-value
Use property paths like 'a.b.c' to get a nested value from an object. Even works when keys have dots in them (no other dot-prop library we tested does this, or does it correctly).
is-descriptor
Returns true if a value has the characteristics of a valid JavaScript descriptor. Works for data descriptors and accessor descriptors.
get-proto
Robustly get the [[Prototype]] of an object
is-accessor-descriptor
Returns true if a value has the characteristics of a valid JavaScript accessor descriptor.