text: // rollup.config.js
  import json from 'rollup-plugin-json';
  
  export default {
      input: 'functional-acoustics/functional-acoustics.js',
      output: {
          file: 'demo/functional-acoustics.js',
          format: 'es',
          name: 'AC'
      },
  
      plugins: [
          json({
              exclude: ['node_modules/**'],
  
              // for tree-shaking, properties will be declared as
              // variables, using either `var` or `const`
              preferConst: true, // Default: false
  
              // specify indentation for the generated default export —
              // defaults to '\t'
              indent: '  ',
  
              // ignores indent and generates the smallest code
              compact: true, // Default: false
  
              // generate a named export for every property of the JSON object
              namedExports: true // Default: true
          })
      ]
  };