JavaScript Packages

Runtime library for TypeScript helper functions

Returns true if any values exist, false if empty. Works for booleans, functions, numbers, strings, nulls, objects and arrays.

A JavaScript parser

Given some data, jsesc returns the shortest possible stringified & ASCII-safe representation of that data.

ECMAScript parsing infrastructure for multipurpose analysis

A collection of common interactive command line user interfaces.

Returns true if an object was created by the `Object` constructor, or Object.create(null).

prelude.ls is a functionally oriented utility library. It is powerful and flexible. Almost all of its functions are curried. It is written in, and is the recommended base library for, LiveScript.

Serialize JavaScript to a superset of JSON that includes regular expressions and functions.

TypeScript is a language for application scale JavaScript development

JavaScript parser, mangler/compressor and beautifier toolkit for ES6+

An Esprima-compatible JavaScript parser built on Acorn

A JavaScript text diff implementation.

regexpu’s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.

An AST-based pattern checker for JavaScript.

ES2019 spec-compliant String.prototype.trimStart shim.

ES2019 spec-compliant String.prototype.trimEnd shim.

Get and robustly cache all JS language-level intrinsics at first require time

Robustly `.call.bind()` a function

JavaScript parser, mangler/compressor and beautifier toolkit