Fixes stack traces for files with source maps

Map `visit` over an array of objects.

A WeakMap shim for Node.js and browsers

Generates and consumes source maps

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

Igo is a Node.js Web Framework based on Express

Map object keys and values into a new object

The Map & WeakMap data structures as a reactive signals.

Trace the original position through a source map

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

Merge old source map and new source map in multi-transform flow

`[].map(f)` for older browsers

Fast line to line SourceMap generator.

A Map with weakly referenced values.

ECMAScript6 WeakMap polyfill

A splay tree typescript library

Faster, node.js focused alternative to JavaScript's native array map.

Map and Set with automatic key interning

An ultra light-weight, nonexhaustive, polyfills library

Webpack loader that adjusts source maps