function getRollupObject ({input} = {}) {
    return {
        external: ['fs', 'events', 'http', 'path', 'mime', 'minimatch'],
        input,
        output: {
            format: 'cjs',
            file: input.replace(/^.\/lib\//u, './dist/').replace(/\.js$/u, '.cjs')
        }
    };
}
@param {object} config
@param {string} config.input
@returns {RollupConfig}