rollup --banner "$(preamble)" -f umd -g d3-array:d3,d3-collection:d3,d3-color:d3,d3-format:d3,d3-interpolate:d3,d3-time:d3,d3-time-format:d3 -n d3 -o build/d3-scale.js -- index.js
uglifyjs.terser --preamble "$(preamble)" build/d3-scale.js -c -m -o build/d3-scale.min.js
