Map

Generates and consumes source maps

Tool for transforming styles with JS plugins

A comprehensive library for mime-type mapping

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

Generate source maps

Converts a source-map from/to different formats and allows adding/changing properties.

Fixes stack traces for files with source maps

Trace the original position through a source map

Map over promises concurrently

Encode/decode sourcemap mappings

concatenative mapdashery

Provides a list of electron-to-chromium version mappings

Standard library

Source code handling classes for webpack

Store information about any JS value in a side channel. Uses WeakMap if available.

Maps lines and columns to character offsets and back.

Remap sequential sourcemaps through transformations to point at the original source code

Map object keys and values into a new object

Source maps support for istanbul

Simple “Least Recently Used” (LRU) cache

Resolve the source map and/or sources for a generated file.

Generates and consumes source maps

Unicode property alias mappings in JavaScript format for property names that are supported in ECMAScript RegExp property escapes.

TypeScript execution environment and REPL for node.js, with source map support

Convert object keys to camel case

Basic cache object for storing key-value pairs.

Tools for working with sourceMappingURL comments.

Map `visit` over an array of objects.

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.

Easy-to-use plugin system for creating powerful, fast and versatile parsers and compilers, with built-in source-map support.

Visit a method over the items in an object, or map visit over the objects in an array.

Packages @jridgewell/trace-mapping and @jridgewell/gen-mapping into the familiar source-map API

javascript standard data structure library which benchmark against C++ STL

A thing that is a lot like ES6 `Map`, but without iterators, for use in environments where `for..of` syntax and `Map` are not available.

Standard library

Fast line to line SourceMap generator.

Fixes stack traces for files with source maps

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

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

Encode/decode sourcemap mappings

No-bullshit, ultra-simple, 35-lines-of-code async parallel forEach / map function for JavaScript.

A Jest transformer with source map support that lets you use Jest to test projects written in TypeScript

The map of HTTP status codes from the builtin http module

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

Convert object keys from camel case

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

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

Iterator abstraction based on ES6 specification