piecemeal/piecemeal/node/index.js

Effortless incrementally deliver your data

'use strict';

const piecemeal = require('piecemeal');

const stream = (data, options = {}) => {
    const boundary = options.boundary || '-';
    const pipe = async (res) => {
        res.setHeader('connection', 'keep-alive');
        res.setHeader('content-type', `multipart/mixed;boundary="${boundary}"`);
        res.setHeader('transfer-encoding', 'chunked');
        let ended = false;
        res.once('close', () => (ended = true));
        await piecemeal.generate(data, boundary, res.write.bind(res), {
            get aborted() {
                return ended;
            },
        });
        res.end();
    };
    return {
        pipe,
    };
};

exports.stream = stream;