text: import sourcemaps from 'rollup-plugin-sourcemaps';
  import license from 'rollup-plugin-license';
  
  const path = require('path');
  
  export default {
      output: {
          format: 'es',
          sourcemap: true
      },
      plugins: [
          sourcemaps(),
          license({
              sourceMap: true,
  
              banner: {
                  file: path.join(__dirname, 'license-banner.txt'),
                  encoding: 'utf-8',
              }
          })
      ],
      onwarn: () => { return }
  }