Implements performance.now (based on process.hrtime).

Does this JS environment support the `name` property on functions?

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

A replacement for process.exit that ensures stdio are fully drained before exiting.

JavaScript implementation of the BSER Binary Serialization

Utility for normalizing a numeric range, with a wrapping function useful for polar coordinates

Returns an array of Typed Array names that are available in the current environment

Port of jQuery.extend for node.js and the browser

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

Determine if a function is a native generator function.

The lodash method `_.isPlainObject` exported as a module.

Lightweight Node.js version sniffing/comparison

Manipulate the HTTP Vary header

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

基于 hiprint 的 Vue3 可视化打印设计器

Now stdin and stdout are files.

Error classes used in node_redis

Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.

Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.

GS1 barcode data as an MCP server: build a GS1-128 / GS1 element string from Application Identifiers with FNC1 placement handled, generate a GS1 DataMatrix (ECC200) as SVG, validate the eight GS1 identification keys beyond GTIN — SSCC, GLN, GRAI, GIAI, GS