Tag: #Vuejs

How to handle basic dynamic interaction on a webpage with Vue.js

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In this blog post I want to share how to handle basic dynamic content with Vue.js on our Cloud Native Starter landing webpage. Vue.js is an open source licensed “progressive framework for building user interfaces”.

The gif below shows following sequence:

  1. First, the page content changes when a button is clicked. The page shows a little pre-view of content for one of the selected topics on the Cloud Native Starter project landing page. The topics are “Basic Concepts”, “Reactive” and “Security”.
  2. Second, the image on the right hand side changes, a headline appears or changes, a description appears or changes, and a Learn more button appears and changes the content for routing to another webpage.
  3. Third, at the end in the gif the button Learn more is pressed and the page for Basic Concepts is shown.

The questions are: How ..

  • … to change images?
  • … can a text be changed or appear?
  • … to show a button and change the rooting to other webpages?
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Reactive programming is about messages, futures, events, channels and streams

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In this blog post I want to point out the topic of the open sourced Reactive Cloud Native Starter example with Java backend Microservices and a Vue.js frontend web application. The gif below shows the example application. The application simply displays Articles and Authors information on a web page. You also see the creation of Articles with cURL commands in a terminal session and the UI is updated automatically.
(the gif is from the Cloud Native Starter project)

reactive demo
That example was mainly developed by Niklas Heidloff. He wrote a lot of very useful blog posts like Development of Reactive Applications with Quarkus related to that topic.

In this blog post I show, what could be useful to know, when you start with this Cloud Native Starter example for reactive programming to create and consume reactive RESTful APIs in an asynchronous way. I will also give a brief overview of the steps to create an article in the example application.

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Error: Node Sass does not yet support your current environment: OS X 64-bit with Unsupported runtime (83) … using a remote development container to run the Vue.js application

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In this blog post I want to show, how to setup a remote development container for a Vue.js application, which isn’t able to run on my local machine, even after the update of Node.js, npm and yarn.

I still get the error which is shown in the following image and it seems this error is related to the installed MacOS version 10.15.5.

vue-remote-01

To be able to work with the Vue.js project, I use now the remote container development functionality in Visual Studio Code as a workaround . This is very close to my blog post “Run a MicroProfile Microservice on OpenLiberty in a Remote development container in Visual Studio Code”.

You can follow the steps of the setup of the workaround for the “OS X 64-bit with Unsupported runtime (83)” problem.

SETUP AND CONFIGURATION

Ensure you have installed Docker Desktop on your local machine.

Step 1: Install the following extensions in Visual Studio Code

Step 2: Open in your Visual Studio Code workspace the remote containers extension window (“Open a remote window“)

vsc-remote-java-dev-00

Step 3: Start “Remote Containers: Add Development Container Configuration Files …” and select a container as a starting point, here I use the Node 14 container definition (you can customize the “Dockerfile” to your needs). The container configuration in the Dockerfile contains Node.js, npm and yarn , which I need for the Vue.js development.
The gif below shows the steps.

vue-remote-2

Step 4: Verify the newly created folder “.devcontainer” and related files “devcontainer.json” and “Dockerfile”.

vue-remote-02

Step 5: I my case I only need to customize the “devcontainer.json” file to expose the port  8080, to access my Vue.js application in a local browser.

vue-remote-03

Step 6: Now open the local folder with “Remote Containers: Open Folder in container” in the remote development container. That will map the local folder as volume to the remote development container and code changes will be saved on your local file system and start the Vue.js development.

In the gif you see:

  • Start “Remote Containers: Open Folder in container”
  • Select a folder and open a terminal session in that folder
  • Execute “yarn serve”  in the terminal session
  • See is works the application is running and can be accessed in a local browser using URL “http://localhost:8080″

vue-remote-3

I hope this was useful for you and let’s see what’s next?

Greetings,

Thomas

#Docker, #Container, #Vuejs, #VisualStudioCode, #RemoteDevelopment