Map

Functional map

Map object keys and values into a new object

Basic cache object for storing key-value pairs.

Generates and consumes source maps

Map `visit` over an array of objects.

Trace the original position through a source map

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

concatenative mapdashery

A JavaScript (JS) Map or Similar object polyfill if Map is not available.

construct pipes of streams of events

Encode/decode sourcemap mappings

Generate source maps

Automatically cleanup expired items in a Map

Fixes stack traces for files with source maps

Generates and consumes source maps

Store information about any JS value in a side channel, using a Map

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

A library for obtaining browser versions with their maximum supported Baseline feature set and Widely Available status.

Map over promises concurrently

Is this value a JS Map? 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.

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

An ES2019 spec-compliant `Array.prototype.flatMap` shim/polyfill/replacement that works as far down as ES3.

Source maps support for istanbul

Resolve package.json exports & imports maps

A WebGL interactive maps library

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

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

Fixes stack traces for files with source maps

Helper function to remap async functions to generators

BSD licensed community fork of mapbox-gl, a WebGL interactive maps library

Map and Set with automatic key interning

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

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

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.

Tools for working with sourceMappingURL comments.

Encode/decode sourcemap mappings

async.mapLimit's functionality available as a standalone npm module

Node.js native addon binary install tool

Fast line to line SourceMap generator.

extracts inlined source map and offers it to webpack

Webpack loader that adjusts source maps

Apply a size limit to a Map class or instance

Tool for transforming styles with JS plugins

Provides functionality related to source maps.

ECMAScript6 WeakMap polyfill

🚇 Source map generator for Metro.

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