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.

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

Trace the original position through a source map

construct pipes of streams of events

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

Automatically cleanup expired items in a Map

Encode/decode sourcemap mappings

Generate source maps

Fixes stack traces for files with source maps

concatenative mapdashery

Generates and consumes source maps

Map over promises concurrently

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

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

Source maps support for istanbul

A WebGL interactive maps library

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

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

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

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

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

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

Helper function to remap async functions to generators

Fixes stack traces for files with source maps

Resolve package.json exports & imports maps

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

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.

Tools for working with sourceMappingURL comments.

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.

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

Fast line to line SourceMap generator.

Encode/decode sourcemap mappings

extracts inlined source map and offers it to webpack

Webpack loader that adjusts source maps

Node.js native addon binary install tool

Apply a size limit to a Map class or instance

ECMAScript6 WeakMap polyfill

🚇 Source map generator for Metro.

Tool for transforming styles with JS plugins

[Experimental] - 🚇 File crawling, watching and mapping for Metro