runkit file

quill-renderer.js

var jsdom = require("jsdom")

exports.endpoint = function(request, response) {
    if (request.method == 'POST') {
        var jsonString = '';

        request.on('data', function (data) {
            jsonString += data;
        });

        request.on('end', function () {
            renderQuill(jsonString, function (html, text) {
                var out = JSON.stringify({"html": html, "text": text});
                response.writeHead(200, {
                    'Content-Length': Buffer.byteLength(out, 'utf8'),
                    'Content-Type': 'application/json'}
                );
                response.end(out);
            });
        });
    }
}

function renderQuill(deltas, callback) {
    jsdom.env({
        html: '<div id="editor-container"></div>',
        scripts: [
            'https://cdnjs.cloudflare.com/ajax/libs/webcomponentsjs/0.7.24/MutationObserver.min.js',
            'https://cdn.quilljs.com/1.2.6/quill.min.js'],
        onload: function (window) {
            var document = window.document;
            // fake getSelection
            // https://github.com/tmpvar/jsdom/issues/317
            document.getSelection = function() { 
                return { 
                    getRangeAt: function() {}
                };
            }; 

            var container = document.getElementById("editor-container");
            var quill = new window.Quill(container, {});
/*
            var delta = {
              ops: [
                { insert: 'Gandalf', attributes: { bold: true } },
                { insert: ' the ' },
                { insert: 'Grey', attributes: { color: '#ccc' } }
              ]
            };*/
            quill.setContents(JSON.parse(deltas));

            callback(document.querySelector(".ql-editor").innerHTML, quill.getText());
        }
    });
}