node-d3-hierarchy - 1.1.9+~1.1.8-1 main

Many datasets are intrinsically hierarchical. Consider geographic entities,
such as census blocks, census tracts, counties and states; the command
structure of businesses and governments; file systems and software packages.
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This module implements several popular techniques for visualizing hierarchical
data.
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Node.js is an event-based server-side JavaScript engine.