Map

Map object keys and values into a new object

Basic cache object for storing key-value pairs.

Map `visit` over an array of objects.

Functional map

Generates and consumes source maps

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

Automatically cleanup expired items in a Map

construct pipes of streams of events

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

Trace the original position through a source map

Fixes stack traces for files with source maps

Encode/decode sourcemap mappings

Generate source maps

concatenative mapdashery

Map over promises concurrently

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

Generates and consumes source maps

Source maps support for istanbul

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

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.

A WebGL interactive maps library

Helper function to remap async functions to generators

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.

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

Fixes stack traces for files with source maps

Resolve package.json exports & imports maps

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.

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

Fast line to line SourceMap generator.

Encode/decode sourcemap mappings

Map and Set with automatic key interning

Webpack loader that adjusts source maps

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

extracts inlined source map and offers it to webpack

Node.js native addon binary install tool

Apply a size limit to a Map class or instance

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

ECMAScript6 WeakMap polyfill

Tool for transforming styles with JS plugins

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

A comprehensive library for mime-type mapping

TypeScript definitions for source-list-map

🚇 Source map generator for Metro.

Retrieves a name:pathname Map for a given workspaces config