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https://github.com/joeldenning/coexisting-vue-microfrontends

A repo showing separate vue apps coexisting as microfrontends with single-spa
https://github.com/joeldenning/coexisting-vue-microfrontends

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A repo showing separate vue apps coexisting as microfrontends with single-spa

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README 

        
# Try the newer example repo



The newer example demonstrating Vue Microfrontends can be found at https://github.com/vue-microfrontends and https://vue.microfrontends.app. That example better reflects the microfrontends architecture and is encouraged to use.



# Coexisting Vue Microfrontends



[![Build Status](https://travis-ci.org/joeldenning/coexisting-vue-microfrontends.svg?branch=master)](https://travis-ci.org/joeldenning/coexisting-vue-microfrontends)



Demo: http://coexisting-vue-microfrontends.surge.sh



This is a starter-kit / example repository for people who want to have multiple vue microfrontends coexist within a single page. Each

of the vue applications was created by Vue CLI.



It uses [single-spa](https://single-spa.js.org) to pull this off, which means that you can even add React, Angular, or other frameworks as

additional microfrontends.



## An important note

This github repository has four projects all in one repo. But when you do this yourself, **you'll want to have one git repo per

vue application**. The root-html-file project should also be in its own repo. This is what lets different teams and developers be in

charge of different microfrontends.



## Local development -- one app at a time

[Tutorial video](https://www.youtube.com/watch?v=vjjcuIxqIzY&list=PLLUD8RtHvsAOhtHnyGx57EYXoaNsxGrTU&index=4)



With single-spa, it is preferred to run `npm run serve` in only one single-spa application at a time, while using a deployed

version of the other applications. This makes for an awesome developer experience where you can boot up just one

microfrontend at a time, not even having to clone, npm install, or boot up all of the other ones.



To try this out, clone the repo and run the following commands:

```sh

cd app1

npm i

npm run serve

```



Now go to http://coexisting-vue-microfrontends.surge.sh in a browser. In a browser console, run `localStorage.setItem('overrides-ui', true)`.

Refresh the page. Now click on the yellowish rectangle at the bottom right. Then click on `app1`. Change the module url to http://localhost:8081/js/app.js. Then apply the override and reload the page. This will have change app1 to load from your localhost instead of from surge.sh.

As you modify the code locally, it will reload the page on coexisting-vue-microfrontends.surge.sh. See

https://github.com/joeldenning/import-map-overrides for more info on this.



## Local development -- all at once

It is preferred to only run one app at a time. But if you need to run them all locally, you can do so with the following instructions



```sh

# First terminal tab

cd root-html-file

npm install

npm run serve

```

```sh

# Second terminal tab

cd app1

npm install

npm run serve

```



```sh

# Third terminal tab

cd app2

npm install

npm run serve

```



```sh

# Fourth terminal tab

cd navbar

npm install

npm run serve

```



Now go to http://localhost:5000 in a browser. Note that you can change any of the ports for the projects by modifying the Import Map inside of

root-html-file/index.html.



If you get serious about deploying your code, you'll want to make it no longer necessary to boot up all of the apps in order to do anything.

When you get to that point, check out [import-map-overrides](https://github.com/joeldenning/import-map-overrides/), which lets you go to

a deployed environment and override the [Import Map](https://github.com/WICG/import-maps) for just one microfrontend at a time. The

import-map-overrides library is already loaded in the index.html of root-html-file, so you can start using it immediately. You can make your

deployed environment overridable, just like you can do overrides on http://coexisting-vue-microfrontends.surge.sh



## More documentation

Go to https://single-spa.js.org/docs/ecosystem-vue.html to learn how all of this works.