sp-dev-fx-webparts/samples/react-taxonomypicker/README.md

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---
page_type: sample
products:
- office-sp
languages:
- javascript
- typescript
extensions:
contentType: samples
technologies:
- SharePoint Framework
platforms:
- react
createdDate: 4/1/2017 12:00:00 AM
---
# Taxonomy Picker (React)
## Summary
A Taxonomy Picker control built with [React](https://facebook.github.io/react) based on [react-taxonomypicker](https://www.npmjs.com/package/react-taxonomypicker) for use with SharePoint Framework client-side web parts (SPFx).
![React-Taxonomy-Picker-gif](./assets/react-taxonomy-picker-spfx.gif)
## Used SharePoint Framework Version
![drop](https://img.shields.io/badge/drop-GA-green.svg)
## Applies to
* [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)
## Solution
Solution|Author(s)
--------|---------
spfx-react-taxonomypicker | Jose Quinto ([@jquintozamora](https://twitter.com/jquintozamora) , [blog.josequinto.com](https://blog.josequinto.com))
## Version history
Version|Date|Comments
-------|----|--------
1.0|March 14, 2017|Initial release
## Disclaimer
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**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.**
---
## Minimal Path to Awesome
- clone this repo
- `$ npm i`
- `$ gulp trust-dev-cert`
- `$ gulp serve `
#### Local Mode
A browser in local mode (localhost) will be opened.
https://localhost:4321/temp/workbench.html
#### SharePoint Mode
If you want to try on a real environment, open:
https://your-domain.sharepoint.com/_layouts/15/workbench.aspx
## Usage
Go to src/webparts/taxonomyPickerSample/TaxonomyPickerSampleWebPart.ts and configure the control.
#### Mock Data configuration by using defaultOptions configuration
Access from https://localhost:4321/temp/workbench.html
Configuration:
```js
PropertyPaneTaxonomyPicker("Language", {
key: "Language_Field",
name: "Language",
displayName: "Language",
multi: true,
defaultOptions: [
{ label: "English", value: "f50249b6-310d-43b6-aaa6-f0cb46d851bf" },
{ label: "Spanish", value: "237ca323-1ed8-4199-a49b-a9f7ce4256bf" },
{ label: "German", value: "44024c7e-f738-4755-90e1-15866327c806" },
{ label: "Italian", value: "65f67491-bdca-491a-84fa-f6fd913f40fa" },
],
onPickerChange: this._updateTaxonomyPicker
})
```
#### Real Data configuration by using termSetGuid configuration
Access from https://your-domain.sharepoint.com/_layouts/15/workbench.aspx
Configuration:
```js
PropertyPaneTaxonomyPicker("Language", {
key: "Language_Field",
name: "Language",
displayName: "Language",
multi: true,
termSetGuid: "<your-term-set-id>",
termSetName: "Language",
termSetCountMaxSwapToAsync: 100,
onPickerChange: this._updateTaxonomyPicker
})
```
## Features
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- Use [React](https://facebook.github.io/react) for using [react-taxonomypicker](https://github.com/jquintozamora/react-taxonomypicker) control inside a custom property pane (it can be used in the web part itself too).
- Use [TypeScript](https://www.typescriptlang.org) to create the custom property pane control containing the taxonomy picker control.
- **Reacting to web part property changes**
- Loading data for use in **custom property pane controls asynchronously** without blocking the web part
- **Retrieve Terms** from a Term Set by Term Set GUID.
- **Sync / Async modes**
- Sync mode is used for medium / small Term Sets and loads **asynchronously** all Terms and store them in React State and SessionStorage cache.
- Async mode is used for large Term Sets and it **doesn't load any data initially**, but it loads the Terms upon user input in batches of 10 items.
- Sync / Async mode configurable via **termSetCountMaxSwapToAsync** property
- The control will fetch the number of terms and decide which mode to use depends on termSetCountMaxSwapToAsync value.
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- It Uses and depends on **SP.Taxonomy.js** (the web part uses a wrapper to load all the SP.*.js dependencies)
- Use **Promise** (polyfill it if needed IE)
- **onPickerChange** event handler exposed
- [react-select](https://github.com/JedWatson/react-select) properties exposed (extends them)
- defaultOptions array exposed to enable input **mock data** when no termSetGuid configured
- More configuration options: [react-taxonomypicker](https://www.npmjs.com/package/react-taxonomypicker)
## Scenarios supported
- SharePoint Web Part using **Script Editor** or **Content Editor Web Part**
- Consume it from [ES6 project](https://github.com/jquintozamora/react-taxonomypicker-consume-es6)
- Consume it from [TypeScript project](https://github.com/jquintozamora/react-taxonomypicker-consume-typescript)
- **SharePoint Framework Web Part (SPFx)**
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<img src="https://telemetry.sharepointpnp.com/sp-dev-fx-webparts/samples/react-taxonomypicker" />