ffc-pay-etl-framework/dist/cjs/validators/requiredValidator.js

A framework for creating ETL pipelines in node

// @ts-nocheck
const { Transform } = require("stream");
/**
 *
 * @param {Object} options
 * @param {String} options.message
 * @param {Array} options.columns
 * @returns Transform
 */
function RequiredValidator(options) {
    return new Transform({
        readableObjectMode: true,
        writableObjectMode: true,
        decodeStrings: false,
        construct(callback) {
            this.message = options.message ? options.message : "Required value is null";
            this.requiredColumns = options.columns;
            callback();
        },
        transform(chunk, _, callback) {
            this.requiredColumns.forEach(column => {
                let requiredVal = chunk[column];
                if (requiredVal === undefined || requiredVal === '') {
                    chunk.errors.push(`${this.message} in column ${column}`);
                }
            });
            callback(null, chunk);
        }
    });
}
module.exports = {
    RequiredValidator
};