(Part of) the IANA time zone database as a JSON file

Interactive map of Argentina as modular React/TypeScript components — provinces and departments/partidos, fully stylable, clickable and hoverable. Pure SVG, official IGN boundaries, no heavy mapping libraries.

Generates and consumes source maps

Generates and consumes source maps

Fixes stack traces for files with source maps

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

concatenative mapdashery

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

Fixes stack traces for files with source maps

`jest-haste-map` is a module used by Jest, a popular JavaScript testing framework, to create a fast lookup of files in a project. It helps Jest efficiently locate and track changes in files during testing, making it particularly useful for large projects

Standard Number Validation

Persistent ordered mapping from strings

Visualizes how a single metric varies across Argentina's provinces and departments on a choropleth map.

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

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

Applies source maps to stack traces, so a failing test points at the code you wrote rather than at the code Jest ran.

Flagpack contains 250+ flag icons to easily use within your code project. Flagpack is an open source project and available for JavaScript frameworks/libraries React, Vue and Svelte.

Generate source maps

extracts inlined source map and offers it to webpack

Map and Set with automatic key interning