@pujansrt/data-genie/dist/transformers/transformers.d.ts

High performant ETL engine written in TypeScript

import { DataReader, DataRecord } from '../core/interfaces';
/**
 * Abstract base class for all data transformation readers.
 * It takes an existing DataReader and provides an interface for chaining transformations.
 */
export declare abstract class DataTransformer implements DataReader {
    protected reader: DataReader;
    constructor(reader: DataReader);
    /**
     * Reads data from the underlying reader, applies transformations,
     * and yields the transformed records.
     * This method must be implemented by concrete transformer classes.
     */
    abstract read(): AsyncIterableIterator<DataRecord>;
}