Update rollup.config.js with:

// Extract copyrights from the LICENSE.
const copyright = readFileSync("./LICENSE", "utf-8")
  .split(/\n/g)
  .filter(line => /^Copyright\s+/.test(line))
  .map(line => line.replace(/^Copyright\s+/, ""))
  .join(", ");

• internmap
• d3-array
• d3-axis
• d3-brush
• d3-chord
• d3-color
• d3-contour
• d3-delaunay
• d3-dispatch
• d3-drag
• d3-dsv
• d3-ease
• d3-fetch
• d3-force
• d3-format
• d3-geo
• d3-hierarchy
• d3-interpolate
• d3-path
• d3-polygon
• d3-quadtree
• d3-random
• d3-scale
• d3-scale-chromatic
• d3-selection
• d3-shape
• d3-time
• d3-time-format
• d3-timer
• d3-transition
• d3-zoom