Checks whether a value is an object
traverse power-assert context
Robust call-bound JavaScript intrinsics, using `call-bind` and `get-intrinsic`.
Define multiple non-enumerable properties at once. Uses `Object.defineProperty` when available; falls back to standard assignment in older engines.
Full implementation of the `printf` family in pure JS.
append AST into power-assert context
Better assertions for node, reporting the expr, filename, lineno etc
ES proposal-spec-compliant Object.fromEntries shim.
diagram renderer for power-assert context
Esprima-compatible implementation of the Mozilla JS Parser API
comparison renderer for power-assert context
Assertion module for Japa
Helper package to shim a method into `Array.prototype[Symbol.unscopables]`
Give me a string and I'll tell you if it's a valid npm package license string
TypeScript definitions for power-assert
Babel plugin for power-assert
ECMAScript “ToPrimitive” algorithm. Provides ES5 and ES2015 versions.
calculates width of given string
ES spec-like internal slots
Assert that two Node-API typed array data types are equal.
Store information about any JS value in a side channel. Uses WeakMap if available.
JavaScript micro templates.
Quickly import from core node modules
Assertion library for JavaScript