Store information about any JS value in a side channel. Uses WeakMap if available.
ES spec-like internal slots
calculates width of given string
compare SPDX license expressions
Assertion library for JavaScript
Robustly `.call.bind()` a function
String manipulation extensions for Underscore.js javascript library.
Define a data property on an object. Will fall back to assignment in an engine without descriptors.
ES spec-compliant shim for ArrayBuffer.prototype.slice
ES2017 spec-compliant Object.values shim.
Test if a finite numeric value is an odd number.
Make espower-lodaer config file unnecessary.
Power Assert feature instrumentor based on the ECMAScript AST
Spec-compliant polyfill for String.prototype.matchAll
ES2017 spec-compliant Object.entries shim.
Set a function's name property
ES2019 spec-compliant String.prototype.trimEnd shim.
Standard assertion utilities.
Test if a finite double-precision floating-point number is an integer.
Node.js Buffer API, for the browser
A simple cache for a few of the JS Error constructors.
Provides boundary functions, (upper-bound and lower-bound).
node style md5 on pure JavaScript
Assert that a Node-API value is a specified Node-API data type.