Robustly get an object's own property keys (strings and symbols), including non-enumerables when possible
Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Loads environment variables from .env file
ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.
Helper function for exhaustive checks of discriminated unions in TypeScript
A querystring parser that supports nesting and arrays, with a depth limit
parse SPDX license expressions
Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
Store information about any JS value in a side channel. Uses WeakMap if available.
If available, the `Object.prototype.__proto__` accessor and mutator, call-bound
Returns true if a value has the characteristics of a valid JavaScript data descriptor.
Does this JS environment support the `name` property on functions?
ES6 spec-compliant RegExp.prototype.flags shim.
Store information about any JS value in a side channel, using a Map
Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
Store information about any JS value in a side channel, using a linked list
Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value negative zero? === will lie to you
escape Markdown control characters
A library for obtaining browser versions with their maximum supported Baseline feature set and Widely Available status.
Is this value a JS Number object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Unbox a boxed JS primitive value.
Utilities for process object
Resolve npm package details, like name and base path, given an absolute path to a file inside a package