Standard library
Deprecate all the things
Returns true if a number or string value is a finite number. Useful for regex matches, parsing, user input, etc.
safely create multiple ReadStream or WriteStream objects from the same file descriptor
High-priority task queue for Node.js and browsers
Generates and consumes source maps
core-js compat
React context for MDX
Lexes CommonJS modules, returning their named exports metadata
Pass two numbers, get a regex-compatible source string for matching ranges. Validated against more than 2.78 million test assertions.
Is this JS value callable? Works with Functions and GeneratorFunctions, despite ES6 @@toStringTag.
Standard library
An arbitrary-precision Decimal type for JavaScript.
set blocking stdio and stderr ensuring that terminal output does not truncate
Get the native type of a value.
Like ruby's abbrev module, but in js
OpenTelemetry Node SDK provides automatic telemetry (tracing, metrics, etc) for Node.js applications
Constants and utilities about visitor keys to traverse AST.
A fully persistent balanced binary search tree
ECMAScript AST recursive visitor
Allows users to use generators in order to write common functions that can be both sync or async.
Create simple HTTP ETags
Light ECMAScript (JavaScript) Value Notation - human written, concise, typed, flexible
Require constants across node and the browser