umd: {
                files: {
                    'tmp/reactable/lib/to_array.js': 'src/reactable/lib/to_array.jsx',
                    'tmp/reactable/lib/filter_props_from.js': 'src/reactable/lib/filter_props_from.jsx',
                    'tmp/reactable/lib/extract_data_from.js': 'src/reactable/lib/extract_data_from.jsx',