/usr/lib/nodejs/source-map/ is in node-source-map 0.5.7+dfsg-1.
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/usr/lib/nodejs/source-map/lib/
/usr/lib/nodejs/source-map/lib/array-set.js
/usr/lib/nodejs/source-map/lib/base64-vlq.js
/usr/lib/nodejs/source-map/lib/base64.js
/usr/lib/nodejs/source-map/lib/binary-search.js
/usr/lib/nodejs/source-map/lib/mapping-list.js
/usr/lib/nodejs/source-map/lib/quick-sort.js
/usr/lib/nodejs/source-map/lib/source-map-consumer.js
/usr/lib/nodejs/source-map/lib/source-map-generator.js
/usr/lib/nodejs/source-map/lib/source-node.js
/usr/lib/nodejs/source-map/lib/util.js
/usr/lib/nodejs/source-map/package.json
/usr/lib/nodejs/source-map/source-map.js