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Demo: First Copilot Interactions

Description

This tour showcases essential Copilot features by leveraging a small React Calculator App.

Note: Make sure you installed the NPM components and started the App

Inline Help

  • Situation: The React App does not use the calculator component!

    • Remember to start the App:

      npm install
npm start

    • Open Browser (use port 3000)

1. Test Copilot's Inline Suggestion

  • After starting the App, you may not see the calculator component. Let's try to add it.
  • Based on the file context, Copilot might already suggest the right thing.
  • Click Tab to accept the suggestion.

2. Go to the end of the comment line and press 'Enter'

  • Give Copilot time to present you with a suggestion.
  • Optional: If Copilot does not produce satisfying results, try using Copilot Chat.

4. Accept a Suggestion and Save the File

  • With the correct suggestion (<Calculator />), you should now see the calculator in the App.

Completions Panel

  • Situation: The calculator does not calculate.

1. Test the use of the Copilot Completions Panel

2. Go to the end of the comment line and press 'Enter', to trigger Copilot

3. Open the Copilot Completions Panel

(Control^ + Enter)

  • Note: Try not to use the 'Inline suggestions' (as they are still showing up).
  • Give Copilot time to present you with suggestions.
  • Choose one of the suggestions by clicking the 'Accept Solution' link.
  • Optional: If Copilot does not produce satisfying results, try using Copilot Chat.

4. Save the file and continue

Fix using Copilot

  • Situation: Try to add an 'About' link to the header

1. Insert this code...

  • Sample

    <a href="#" className="Header-link">
About
<a>
&nbsp; &nbsp; &nbsp;

    Note: this code is broken, we will use Copilot to fix it.

  • You should see the IDE giving you a syntax error.

  • Situation: Use Copilot to fix the Error

1. We highlight the section of the code that we want Copilot to focus on...

  • line 24-26 (the previously inserted code)

2. You should see a lightbulb, click that and select the Fix using Copilot option. Copilot should suggest a code fix for you!

  • Optional: If Copilot does not produce satisfying results, try using Copilot Chat and use the command /fix (using the highlighted code). The fix that Copilt chat suggests can be added by clicking "Insert at Cursor", which will replace the existing (bad) code.

3. Save the file and continue...

Explain using Copilot

  • Situation: Try using Copilot to Explain the Code

1. We already highlighted a code section as an example (24-31)

  • You should see a little lightbulb, click that and select Explain using Copilot.
  • Optional: If Copilot does not produce satisfying results, try using Copilot Chat and use the command /explain (using the highlighted code). Copilot Chat will give a detailed description of the highlighted code.

Conclusion

This concludes the GitHub Copilot operations demo!