Sokra (of webpack) and I have hacked on a sourcemap visualizer which really illuminates exactly how the mappings work: https://paulirish.github.io/source-map-vi

Sokra (of webpack) and I have hacked on a sourcemap visualizer which really illuminates exactly how the mappings work: https://paulirish.github.io/source-map-visualization/#raven https://paulirish.github.io/source-map-visualization/#raven A few examples are available, but you can also drag in your own files to view those.