Is this value a JS DataView? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.
This package contains selection offset helpers for Lexical.
Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
ES Object-related atoms: Object, ToObject, RequireObjectCoercible
Give a regex, get a robust predicate function that tests it against a string.
The URI implementation that is used by VS Code and its extensions
Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Read/write IEEE754 floating point numbers from/to a Buffer or array-like object
Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.
smart-buffer is a Buffer wrapper that adds automatic read & write offset tracking, string operations, data insertions, and more.
A simple list of possible Typed Array names.
TypeScript definitions for http-assert
typesafe assertion library for TypeScript 3.7+
Like a Set, but provides the index of the `key` in the backing array
ECMAScript spec abstract operations.
ES2015-compliant shim for Object.is - differentiates between -0 and +0
Does this environment have the ability to get the [[Prototype]] of an object on creation with `__proto__`?
Is this value a JS WeakSet? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Robustly get an object's own property keys (strings and symbols), including non-enumerables when possible
Get and robustly cache all JS language-level intrinsics at first require time
Helper function for exhaustive checks of discriminated unions in TypeScript
ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.