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sp-dev-fx-webparts/samples/react-rxjs-event-emitter/README.md

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Added telemetry to every README.md file
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---
page_type: sample
products:
- office-sp
languages:
- javascript
- typescript
extensions:
contentType: tools
technologies:
- SharePoint Framework
platforms:
- react
createdDate: 9/1/2017 12:00:00 AM
---
Two samples on communication between web parts through broadcasting events utilizing the Publish–subscribe pattern (#290) * Sample added that shows how we can use the SPFx Event Aggregator to communicate between web parts * Sample added that shows how we can use the ReactiveX (RxJs) library with the SharePoint Framework to communicate between web parts through broadcasting events utilizing the Publish–subscribe pattern * Event Emitter sample README.md updated
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# SPFx ReactiveX (RxJs) Event Emitter Sample #
## Summary
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This sample shows how we can use the [ReactiveX (RxJs)](http://reactivex.io/) library with the SharePoint Framework to communicate between web parts through broadcasting events utilizing the [Publish–subscribe pattern](https://en.wikipedia.org/wiki/Publish–subscribe_pattern). It enables a web part or component to emit event (broadcast message) and that event is received by other web parts or components that have been subscribed to receive it. Please note this is custom implementation of the [Publish–subscribe pattern](https://en.wikipedia.org/wiki/Publish–subscribe_pattern) by using the [ReactiveX (RxJs)](http://reactivex.io/) library. The SPFx will nativelly support this in future without the need of custom implementation through new SPFx api called Event Aggregator, but it is still in Alpha.
Two samples on communication between web parts through broadcasting events utilizing the Publish–subscribe pattern (#290) * Sample added that shows how we can use the SPFx Event Aggregator to communicate between web parts * Sample added that shows how we can use the ReactiveX (RxJs) library with the SharePoint Framework to communicate between web parts through broadcasting events utilizing the Publish–subscribe pattern * Event Emitter sample README.md updated
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![SPFx ReactiveX (RxJs) Event Emitter Sample](./assets/spfx-event-emitter.gif)
Updated all SPFx 1.7.0 readmes
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## Compatibility
![SPFx 1.7.0](https://img.shields.io/badge/SPFx-1.7.0-green.svg)
![Node.js v8](https://img.shields.io/badge/Node.js-v8-green.svg)
![Compatible with SharePoint Online](https://img.shields.io/badge/SharePoint%20Online-Compatible-green.svg)
![Does not work with SharePoint 2019](https://img.shields.io/badge/SharePoint%20Server%202019-Incompatible-red.svg "SharePoint Server 2019 requires SPFx 1.4.1 or lower")
![Does not work with SharePoint 2016 (Feature Pack 2)](https://img.shields.io/badge/SharePoint%20Server%202016%20(Feature%20Pack%202)-Incompatible-red.svg "SharePoint Server 2016 Feature Pack 2 requires SPFx 1.1")
![Local Workbench Compatible](https://img.shields.io/badge/Local%20Workbench-Compatible-green.svg)
![Hosted Workbench Compatible](https://img.shields.io/badge/Hosted%20Workbench-Compatible-green.svg)
Two samples on communication between web parts through broadcasting events utilizing the Publish–subscribe pattern (#290) * Sample added that shows how we can use the SPFx Event Aggregator to communicate between web parts * Sample added that shows how we can use the ReactiveX (RxJs) library with the SharePoint Framework to communicate between web parts through broadcasting events utilizing the Publish–subscribe pattern * Event Emitter sample README.md updated
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## Applies to
URL dev.office.com to docs.microsoft.com
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* [SharePoint Framework](https://docs.microsoft.com/sharepoint/dev/spfx/sharepoint-framework-overview)
* [Office 365 developer tenant](https://docs.microsoft.com/sharepoint/dev/spfx/set-up-your-developer-tenant)
Two samples on communication between web parts through broadcasting events utilizing the Publish–subscribe pattern (#290) * Sample added that shows how we can use the SPFx Event Aggregator to communicate between web parts * Sample added that shows how we can use the ReactiveX (RxJs) library with the SharePoint Framework to communicate between web parts through broadcasting events utilizing the Publish–subscribe pattern * Event Emitter sample README.md updated
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## Prerequisites
- Office 365 subscription with SharePoint Online.
URL dev.office.com to docs.microsoft.com
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- SharePoint Framework [development environment](https://docs.microsoft.com/sharepoint/dev/spfx/set-up-your-development-environment) already set up.
Two samples on communication between web parts through broadcasting events utilizing the Publish–subscribe pattern (#290) * Sample added that shows how we can use the SPFx Event Aggregator to communicate between web parts * Sample added that shows how we can use the ReactiveX (RxJs) library with the SharePoint Framework to communicate between web parts through broadcasting events utilizing the Publish–subscribe pattern * Event Emitter sample README.md updated
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## Solution
Solution|Author(s)
--------|---------
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react-rxjs-event-emitter | [Velin Georgiev](https://github.com/VelinGeorgiev) ( [@VelinGeorgiev](https://twitter.com/velingeorgiev) )
Two samples on communication between web parts through broadcasting events utilizing the Publish–subscribe pattern (#290) * Sample added that shows how we can use the SPFx Event Aggregator to communicate between web parts * Sample added that shows how we can use the ReactiveX (RxJs) library with the SharePoint Framework to communicate between web parts through broadcasting events utilizing the Publish–subscribe pattern * Event Emitter sample README.md updated
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## Version history
Version|Date|Comments
-------|----|--------
0.0.1|August 22, 2017 | Initial commit
updated to 1.4.1 (#484) tests updated, package removed
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0.0.2|April 20, 2018 | Updated to SPFx v1.4.1
react-rxjs-event-emitter upgraded to SPFx version 1.7.0 (#721)
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0.0.3|December 10, 2018 | Updated to SPFx v1.7.0
Two samples on communication between web parts through broadcasting events utilizing the Publish–subscribe pattern (#290) * Sample added that shows how we can use the SPFx Event Aggregator to communicate between web parts * Sample added that shows how we can use the ReactiveX (RxJs) library with the SharePoint Framework to communicate between web parts through broadcasting events utilizing the Publish–subscribe pattern * Event Emitter sample README.md updated
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## Minimal Path to Awesome
- Clone this repository.
- Open the command line, navigate to the web part folder and execute:
- `npm i`
- `gulp serve`
## Features
This Web Part illustrates the following concepts on top of the SharePoint Framework:
- Using React for building SharePoint Framework client-side web parts.
- Using Office UI Fabric React styles for building user experience consistent with SharePoint and Office.
- The use the ReactiveX (RxJs) Event Emitter to broadcast messages (events).
- The use the ReactiveX (RxJs) Event Emitter to subscribe and receive broadcasted messages (events).
## Making the RxJsEventEmitter external SPFx library.
The RxJsEventEmitter library can be turned into external library so it can be used by multiple SPFx solutions.
There is a very good [blog post](https://blog.mastykarz.nl/dll-code-sharepoint-framework/) by @waldekmastykarz how this can be done.
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## Help
We do not support samples, but this community is always willing to help, and we want to improve these samples. We use GitHub to track issues, which makes it easy for community members to volunteer their time and help resolve issues.
If you're having issues building the solution, please run [spfx doctor](https://pnp.github.io/cli-microsoft365/cmd/spfx/spfx-doctor/) from within the solution folder to diagnose incompatibility issues with your environment.
You can try looking at [issues related to this sample](https://github.com/pnp/sp-dev-fx-webparts/issues?q=label%3Areact-rxjs-event-emitter) to see if anybody else is having the same issues.
You can also try looking at [discussions related to this sample](https://github.com/pnp/sp-dev-fx-webparts/discussions?discussions_q=label%3Areact-rxjs-event-emitter) and see what the community is saying.
Fixed all readmes to point to their respective sample labels
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If you encounter any issues while using this sample, [create a new issue](https://github.com/pnp/sp-dev-fx-webparts/issues/new?assignees=&labels=Needs%3A+Triage+%3Amag%3A%2Ctype%3Abug-suspected%2Csample%3A%20react-rxjs-event-emitter&authors=@VelinGeorgiev&template=bug-report.yml&sample=react-rxjs-event-emitter&authors=@VelinGeorgiev&title=react-rxjs-event-emitter%20-%20).
Updated all SPFx 1.7.0 readmes
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Fixed all readmes to point to their respective sample labels
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For questions regarding this sample, [create a new question](https://github.com/pnp/sp-dev-fx-webparts/issues/new?assignees=&labels=Needs%3A+Triage+%3Amag%3A%2Ctype%3Aquestion%2Csample%3A%20react-rxjs-event-emitter&authors=@VelinGeorgiev&template=question.yml&sample=react-rxjs-event-emitter&authors=@VelinGeorgiev&title=react-rxjs-event-emitter%20-%20).
Updated all SPFx 1.7.0 readmes
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Fixed all readmes to point to their respective sample labels
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Finally, if you have an idea for improvement, [make a suggestion](https://github.com/pnp/sp-dev-fx-webparts/issues/new?assignees=&labels=Needs%3A+Triage+%3Amag%3A%2Ctype%3Aenhancement%2Csample%3A%20react-rxjs-event-emitter&authors=@VelinGeorgiev&template=question.yml&sample=react-rxjs-event-emitter&authors=@VelinGeorgiev&title=react-rxjs-event-emitter%20-%20).
Updated all SPFx 1.7.0 readmes
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## Disclaimer
**THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.**
Two samples on communication between web parts through broadcasting events utilizing the Publish–subscribe pattern (#290) * Sample added that shows how we can use the SPFx Event Aggregator to communicate between web parts * Sample added that shows how we can use the ReactiveX (RxJs) library with the SharePoint Framework to communicate between web parts through broadcasting events utilizing the Publish–subscribe pattern * Event Emitter sample README.md updated
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<img src="https://telemetry.sharepointpnp.com/sp-dev-fx-webparts/samples/react-rxjs-event-emitter" />