jacob-ebey/renderToStringWithWritable.js

## renderToStringWithWritable.js
const { PassThrough } = require('stream');

const { pipeToNodeWritable } = require('react-dom/server');

function renderToStringWithWritable(element, timeout = 10000) {
  return new Promise((resolve, reject) => {
    const writable = new PassThrough();
    let res = '';
    writable.on('data', d => {
      res += String(d);
    });

    writable.on('end', function() {
      resolve(res);
    });

    const { startWriting, abort } = pipeToNodeWritable(element, writable, {
      onCompleteAll() {
        writable.write('<!DOCTYPE html>');
        startWriting();
      },
      onError(err) {
        reject(err);
      }
    });

    setTimeout(abort, timeout);
  });
}
	const { PassThrough } = require('stream');

	const { pipeToNodeWritable } = require('react-dom/server');

	function renderToStringWithWritable(element, timeout = 10000) {
	return new Promise((resolve, reject) => {
	const writable = new PassThrough();
	let res = '';
	writable.on('data', d => {
	res += String(d);
	});

	writable.on('end', function() {
	resolve(res);
	});

	const { startWriting, abort } = pipeToNodeWritable(element, writable, {
	onCompleteAll() {
	writable.write('<!DOCTYPE html>');
	startWriting();
	},
	onError(err) {
	reject(err);
	}
	});

	setTimeout(abort, timeout);
	});
	}