@vulcan-sql/core/src/lib/utils/streams.js

Core package of VulcanSQL

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.streamToArray = exports.arrayToStream = void 0;
const stream_1 = require("stream");
const arrayToStream = (array) => {
    let index = 0;
    const stream = new stream_1.Readable({
        objectMode: true,
        read() {
            if (index >= array.length) {
                this.push(null);
                return;
            }
            this.push(array[index++]);
        },
    });
    return stream;
};
exports.arrayToStream = arrayToStream;
const streamToArray = (stream) => {
    const rows = [];
    return new Promise((resolve, reject) => {
        stream.on('data', (data) => {
            rows.push(data);
        });
        stream.on('end', () => {
            resolve(rows);
        });
        stream.on('error', (err) => reject(err));
    });
};
exports.streamToArray = streamToArray;
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