import fs from 'fs' const COMMENT = '// This file is a workaround for a bug in web browsers\' "native"' + '\n' + '// ES6 importing system which is uncapable of importing "*.json" files.' + '\n' + '// https://github.com/catamphetamine/libphonenumber-js/issues/239' const path = process.argv[2] jsonToJs(path) function jsonToJs(path) { let contents = fs.readFileSync(path, 'utf-8') contents = COMMENT + '\n' + 'export default ' + contents fs.writeFileSync(path + '.js', contents) }