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

Map over promises concurrently

Generates and consumes source maps

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

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

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.

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

A WebGL interactive maps library

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

Helper function to remap async functions to generators

Fixes stack traces for files with source maps

Resolve package.json exports & imports maps

Map and Set with automatic key interning

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

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

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

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.

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

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

Node.js native addon binary install tool

Apply a size limit to a Map class or instance

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

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.

Retrieves a name:pathname Map for a given workspaces config

A comprehensive library for mime-type mapping