text: import buble from '@rollup/plugin-buble';
  import { terser } from 'rollup-plugin-terser';
  
  export default {
    input: 'src/snowflakes.js',
    output: {
      name: 'snowflakes',
      file: 'dist/snowflakes.min.js',
      format: 'iife',
    },
    plugins: [
      buble({ objectAssign: 'Object.assign' }),
      terser()
    ],
  };
  