Base58

Check if the character represented by a given Unicode code point is fullwidth

Is this value a JS Boolean? This module works cross-realm/iframe, and despite ES6 @@toStringTag.

Returns `true` if the given string looks like a glob pattern or an extglob pattern. This makes it easy to create code that only uses external modules like node-glob when necessary, resulting in much faster code execution and initialization time, and a bet

Is this value a JS Typed Array? This module works cross-realm/iframe, does not depend on `instanceof` or mutable properties, and despite ES6 Symbol.toStringTag.

Determine if a value is an ES6 Symbol or not.

Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.

Is this value a JS regex? Works cross-realm/iframe, and despite ES6 @@toStringTag

Is this value negative zero? === will lie to you

Check if the process is running inside Windows Subsystem for Linux (Bash on Windows)

Is this value an ES BigInt?

Returns true if a string has an extglob.

Is this value a JS SharedArrayBuffer?

Check if the process is running inside a Docker container

Check if a value is a plain object

Is this value a JS Map? 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.

Check if a file path is a binary file

Is this an arguments object? It's a harder question than you think.

Is this value a JS ArrayBuffer?