Swap-Aggregator-Subgraph/node_modules/iso-random-stream/src/index.js

'use strict';

const { Readable } = require('readable-stream');
const randomBytes = require('./random');

module.exports = (size = Infinity) => {
    let currentSize = 0;

    return new Readable({
        read(readSize) {
            if (currentSize >= size) {
                return this.push(null);
            } else if (currentSize + readSize >= size) {
                readSize = size - currentSize;
            }
            currentSize += readSize;
            this.push(randomBytes(readSize));
        }
    });
};