ffc-pay-etl-framework/dist/esm/transformers/toUpperCaseTransformer.js

A framework for creating ETL pipelines in node

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const { Transform } = require("node:stream");
/**
 *
 * @param {Object} options
 * @param {String} options.column
 * @returns Writable
 */
function ToUpperCaseTransformer(options) {
    let self = this;
    self.column = options.column;
    return new Transform({
        readableObjectMode: true,
        writableObjectMode: true,
        transform(chunk, _, callback) {
            const { _columns } = chunk;
            const colIndex = _columns.indexOf(self.column);
            chunk[colIndex] = chunk[colIndex].toUpperCase();
            callback(null, chunk);
        }
    });
}
module.exports = {
    ToUpperCaseTransformer
};