Unbox a boxed JS primitive value.
Is this value a JS Date object? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Is this value a JS Map? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
The assert module from Node.js, for the browser.
Get the ArrayBuffer out of a TypedArray, robustly.
Is this value a JS WeakRef? This module works cross-realm/iframe, and despite ES6 @@toStringTag.
Get the byteLength out of a DataView, robustly.
Get the byteOffset out of a DataView, robustly.
Parses, serializes, and manipulates MIME types, according to the WHATWG MIME Sniffing Standard
Power Assert output formatter
Synchronous validation of a path existing either as a file or as a directory.
correct invalid SPDX expressions
A robust, ES3 compatible, "has own property" predicate.
Get the ArrayBuffer out of a DataView, robustly.
Fork of assert module from deno_std for denoload
What is the type of this builtin JS value?
Nanoscale assertion module
`Object.getOwnPropertyDescriptor`, but accounts for IE's broken implementation.
`Object.defineProperty`, but not IE 8's broken one.
Robustly get the length of a Typed Array
Fork of assert-plus, available in browser: "Extra assertions on top of node's assert module"
The assert module from Node.js, for the browser.
A helper to optimistically set Symbol.toStringTag, when possible.
Execute a function on exit without leaking memory, allowing all objects to be garbage collected