`Object.defineProperty`, but not IE 8's broken one.
A helper to optimistically set Symbol.toStringTag, when possible.
Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag
ES Object-related atoms: Object, ToObject, RequireObjectCoercible
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.
Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
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
A simple list of possible Typed Array names.
Get the byte length of an ArrayBuffer, even in engines without a `.byteLength` method.
Robustly get the byte offset of a Typed Array
TypeScript definitions for http-assert
Like a Set, but provides the index of the `key` in the backing array
typesafe assertion library for TypeScript 3.7+
Robustly get the byte length of a Typed Array
ECMAScript spec abstract operations.
Drop-in replacement for assert to give diff on deepEqual.
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 Set? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS WeakSet? 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
Is this value a JS WeakMap? This module works cross-realm/iframe, and despite ES6 @@toStringTag.