@pujansrt/data-genie/dist/readers/json-reader.js

High performant ETL engine written in TypeScript

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.JsonReader = void 0;
const fs_1 = require("fs");
class JsonReader {
    constructor(filePath) {
        this.filePath = filePath;
    }
    async *read() {
        const data = await new Promise((resolve, reject) => {
            const stream = (0, fs_1.createReadStream)(this.filePath, { encoding: 'utf8' });
            let content = '';
            stream.on('data', (chunk) => (content += chunk));
            stream.on('end', () => resolve(content));
            stream.on('error', (err) => reject(err));
        });
        // Assuming the JSON file contains an array of objects
        const records = JSON.parse(data);
        for (const record of records) {
            yield record;
        }
    }
}
exports.JsonReader = JsonReader;