bs-config.js

module.exports = {
  server: '.',
  files: [
    '*.html',
    'src/*'
  ],
  ui: false,
  notify: false
};

package.json

{
  "name": "cutscores-viz",
  "version": "0.1.0",
  "description": "D3 visualization of state assessment cutscores",
  "keywords": [
    "d3",
    "d3-module"
  ],
  "license": "Apache-2.0",
  "author": "Ben Clinkinbeard <ben.clinkinbeard@gmail.com> (http://benclinkinbeard.com/)",
  "main": "build/cutscores-viz.js",
  "module": "index",
  "jsnext:main": "index",
  "scripts": {
    "clean": "rm -rf build && mkdir build",
    "build": "rollup -c -o build/$npm_package_name.js",
    "watch": "npm run build -- -w",
    "minify": "uglifyjs build/$npm_package_name.js -c -m -o build/$npm_package_name.min.js",
    "bs": "browser-sync start --config bs-config.js",
    "start": "npm run build && run-p watch bs",
    "prepublish": "npm run clean && npm run build && npm run minify",
    "postpublish": "zip -j build/$npm_package_name.zip -- LICENSE README.md build/*"
  },
  "devDependencies": {
    "browser-sync": "2.15.0",
    "npm-run-all": "3.1.0",
    "rollup": "0.36.0",
    "rollup-plugin-buble": "0.14.0",
    "rollup-plugin-commonjs": "5.0.4",
    "rollup-plugin-node-resolve": "2.0.0",
    "rollup-watch": "2.5.0",
    "uglify-js": "2.7.3"
  },
  "dependencies": {
    "query-string": "4.2.3"
  }
}

rollup.config.js

import nodeResolve from 'rollup-plugin-node-resolve';
import commonjs from 'rollup-plugin-commonjs';
import buble from 'rollup-plugin-buble';

export default {
  entry: 'index.js',
  plugins: [
    nodeResolve(),
    commonjs(),
    buble({objectAssign: 'Object.assign'})
  ],
  format: 'umd',
  moduleName: 'd3'
}