2.0.0 • Public • Published

    qewd-client: ES6 Module version of QEWD Client

    Rob Tweed rtweed@mgateway.com
    02 March 2020, M/Gateway Developments Ltd http://www.mgateway.com

    Twitter: @rtweed

    Google Group for discussions, support, advice etc: http://groups.google.co.uk/group/enterprise-web-developer-community

    About this Repository

    This repository contains an ES6 Module that provides the client functionality for QEWD Applications.

    Using the QEWD Client

    This client is already installed in the official Docker versions of QEWD Server.

    Otherwise, use git clone to copy the module to your system.

    The QEWD Client is completely self-contained and loads its dependencies automatically. First, create an app.js file for your application, eg:

        import {QEWD} from './qewd-client.js';
        // adjust the path for the qewd-client module depending on where you've saved it
        document.addEventListener('DOMContentLoaded', function() {
          QEWD.on('ewd-registered', function() {
            // Your QEWD environment is ready
            // optionally turn on logging to the console
            QEWD.log = true;
            // now you can begin sending QEWD messages, eg:
              type: 'hello world'
            }, function(responseObj) {
              console.log('response: ' + JSON.stringify(responseObj));
            // etc
          // start the QEWD service and register your application
            application: 'hello-world'

    Then create an index.html file that loads your app.js module:

        <!DOCTYPE html>
        <html lang="en">
            <title>Hello World Demo</title>
            <script type="module" src="app.js"></script>

    Make sure the QEWD back-end is running and load your index.html page into your browser, and it should all burst into life.

    For further information, see the tutorials in the QEWD-Baseline repository.


    Copyright (c) 2020 M/Gateway Developments Ltd,
    Redhill, Surrey UK.
    All rights reserved.

    Email: rtweed@mgateway.com

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at


    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and
    limitations under the License.


    npm i qewd-client

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