Top20 - SharePoint Framework (SPFx) Interview Questions

Top 50 SharePoint Framework (SPFx) Interview Questions and Answers for 2023

Author: Vishal Thakur

1. Which tool can we use to generate a SharePoint Framework (SPFx) solution?

Developers can use Yeoman to generate a SharePoint Framework (SPFx) solution. Yeoman is a client-side scaffolding open-source tool that helps in web-based development.

2. How can a developer ensure that the solution deployed is immediately available to all site collections in SPFx?

To ensure the availability of the deployed solution on all site collections, the developer has to configure skipFeatureDeployment: true in the package-solution.json file.

{
    "solution": {
        "name": "theultimateresources-deployment-client-side-solution",
        "id": "as3feca4-4j89-47f1-a0e2-78de8890e5hy",
        "version": "2.0.0.0",
        "skipFeatureDeployment": true
    },
    "paths": {
        "zippedPackage": "solution/theultimateresources-deploy-true.sppkg"
    }
}

3. What changes are required to configure the SPFx solution in the Teams Tab?

In this case, developers need to add a manifest file to the web parts folder in the solution.

4. How can we ensure that all web part fields and controls adopt the theme of the site when deploying the web part?

To achieve this, developers must use the Office UI Fabric React framework, which is designed to inherit the properties of the site's design.

5. If we have an SPFx with a lesser version, what is the first step to use the solution in the Microsoft Teams tab?

To use a solution in the Microsoft Teams tab, the developer must first upgrade the version of the SPFx solution to the latest one, as the previous versions of SPFx were not supported by the Microsoft Teams adaptability feature.

6. Which tool should you use to debug a web part from the local workbench?

As per Microsoft's recommendation, developers can use Microsoft Visual Studio Code to debug the web part locally. It can also be used as an IDE for development.

7. What configuration is needed to configure the service by the most secure authentication method?

The best way to secure a service is to use an SSL Certificate.

8. What is the best way to get Microsoft Teams membership using minimal code in the SPFx WebPart?

To achieve this, MSGraphClient is the best method that can be used with Microsoft Graph API to get details about membership from MS Teams.

9. What technique can we use in SPFx so that web part controls can adapt to the theme color?

Developers need to use the Office UI Fabric React framework to achieve this scenario.

10. What object is needed to connect Azure Active Directory from the API?

To achieve this, developers can use AadHttpClient as an object to fetch data from the API.

11. What object can access membership from Microsoft Teams using SharePoint Framework (SPFx)?

To achieve this, developers can use MSGraphClient as an object in the SharePoint Framework (SPFx).

12. How can we customize the header and footer sections in SharePoint?

To customize these sections, developers need to implement an SPFx Extension. SharePoint Framework provides two types of extension techniques:

Application Customizer
Field Customizer

For this scenario, an Application Customizer is used to achieve the requirement.

13. What is ClientSideComponentId and ClientSideComponentProperties in SharePoint (SPFx)?

ClientSideComponentId is the unique identifier (a GUID) used in the SPFx extension and installed in the app catalog.

ClientSideComponentProperties is an optional parameter used to provide properties for the instance of the SPFx extension.

14. How can a developer isolate the web part?

Developers can completely isolate the web part and deploy it on a unique domain. This requires a separate Azure Active Directory account and API management. It can be defined which API can access and which don't have permission.

This feature requires SharePoint version 1.8 or later and only supports modern pages. The SPFx solution with isolated web parts can be uploaded to the tenant app catalog.

Isolated and non-isolated web parts can communicate with REST API in the same way. It is easy to convert from non-isolated to isolated web parts by setting the isDomainIsolated property to true in the config/package-solution.json file.

{
    "solution": {
        "name": "theultimateresources-deployment-client-side-solution",
        "id": "as3feca4-4j89-47f1-a0e2-78de8890e5hy",
        "version": "2.0.0.0",
        "skipFeatureDeployment": true,
        "isDomainIsolated": true
    },
    "paths": {
        "zippedPackage": "solution/theultimateresources-deploy-true.sppkg"
    }
}

16. What is zippedPackage in SharePoint Framework (SPFx)?

zippedPackage is related to the path of the SPFx package. It denotes the final SPFx package name and its location from where a developer can get it.

{
    "solution": {
        "name": "theultimateresources-deployment-client-side-solution",
        "id": "as3feca4-4j89-47f1-a0e2-78de8890e5hy",
        "version": "2.0.0.0"
    },
    "paths": {
        "zippedPackage": "solution/theultimateresources-deploy-true.sppkg"
    }
}

17. How can you publish your app on the organizational level?

To make the app available at the organizational level, it needs to be published on the organizational app catalog.

18. What is the difference between devDependencies and dependencies in package.json?

devDependencies are the modules required during development, while dependencies are the modules required at runtime.

To install a module as a devDependency, use the command:

npm install --save-dev

To install a module as a dependency, use the command:

npm install --save

19. What is the resolution in package.json?

The resolutions attribute is a way of mapping the package names and versions that must be kept in the dependency tree.

20. What is Yarn, and how is it different from NPM?

Yarn is a package manager for Node.js, introduced to focus on speed, security, and consistency. Both Yarn and NPM are used to install dependencies, but Yarn is considered an advanced version of NPM.

NPM is the JavaScript package management tool that works within the Node.js framework. To install NPM, Node.js must be installed.

YARN stands for Yet Another Resource Negotiator. It was developed by Facebook and is now an open-source tool. To install Yarn, NPM must be installed first.

npm install yarn --global

21. How can we set a limit in the REST API by passing query parameters?

We can use $top as a query parameter to return only a specified number of results.

https://{your_Site_Name}/_api/web/lists('{list_guid}')/items?$top=10

Hope this helps! Please share your feedback.

Thank you :)

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