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SPFx Webpart and MSGraphClient

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Frequent Contributor

Hello,

I need to write a webpart, which shows data from the MS Graph.

I wrote this example code

 

import { Version } from '@microsoft/sp-core-library';
import {
BaseClientSideWebPart,
IPropertyPaneConfiguration,
PropertyPaneTextField
} from '@microsoft/sp-webpart-base';
import { escape } from '@microsoft/sp-lodash-subset';

import styles from './HelloWorldWebPart.module.scss';
import * as strings from 'HelloWorldWebPartStrings';

export interface IHelloWorldWebPartProps {
description: string;
}

export default class HelloWorldWebPart extends BaseClientSideWebPart<IHelloWorldWebPartProps> {

public render(): void {

const client: MSGraphClient = this.context.serviceScope.consume(MSGraphClient.serviceKey);
// get information about the current user from the Microsoft Graph
client
.api('/me/?$select=displayName,department')
.get((error, user: MicrosoftGraph.User, rawResponse?: any) => {
 
// Resulat like
// {
// "department": "Finance",
// "displayName": "Megan Bowen"
// }
 
});
}

this.domElement.innerHTML = `
<div class="${ styles.helloWorld }"
<span class="${ styles.title }">Welcome to SharePoint!</span>
 
<span> Name</span>
<span> Deartment</span>

</div>`;
}

protected get dataVersion(): Version {
return Version.parse('1.0');
}

protected getPropertyPaneConfiguration(): IPropertyPaneConfiguration {
return {
pages: [
{
header: {
description: strings.PropertyPaneDescription
},
groups: [
{
groupName: strings.BasicGroupName,
groupFields: [
PropertyPaneTextField('description', {
label: strings.DescriptionFieldLabel
})
]
}
]
}
]
};
}
}




But wow I can bring the Department and Name (result form the MS Graph) into the HTML rendering?

When I really understand the MSGraphClient works asynchron. How can I get save, that first the MSGraphClient gets the result and the build the HTLM rendering part?

Thanks for your help
Stefan