How to Fix the Error when Including Bootstrap into Vue-Project

Learn how to troubleshoot the `Error when including Bootstrap` into your Vue Project with step-by-step guidance for a seamless integration.
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How to Fix the Error when Including Bootstrap into Vue-Project

Are you encountering an error while trying to include Bootstrap-Vue in your Vue project? Specifically, you might see a message like this when running your app:

[[See Video to Reveal this Text or Code Snippet]]

This can be frustrating, especially if you're new to integrating Bootstrap with Vue. In this guide, we'll walk through this issue step-by-step, so you can successfully include Bootstrap-Vue in your Vue application.

Understanding the Error

The error you encountered typically occurs when there are issues with the Sass variables not being defined in your project. When you use the Bootstrap-Vue Vue CLI plugin to add Bootstrap, the plugin prompts you with a few questions. Your answers here can determine whether or not the integration works correctly.

Breakdown of the Issue

Sass Loader Error: The error message indicates a failure within the Sass loader, where it’s unable to find a defined variable.

Steps to Resolve the Error

Here’s a simple, organized approach to fix the problem:

Step 1: Re-install Bootstrap-Vue Correctly

When you execute the command to add Bootstrap-Vue (vue add bootstrap-vue), it will prompt you with three important questions:

Use babel/polyfill? - Answer: Yes

Use scss? - Answer: Yes

Inject vars, functions, and mixins in all SFC components? - Answer: Yes

Important: If you answer No to this question, it will lead to the undefined variable error. So, make sure your answer is Yes.

Step 2: Import the Styles

[[See Video to Reveal this Text or Code Snippet]]

This will include both the Bootstrap CSS and Bootstrap-Vue CSS files, providing the styles necessary for your components.

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By following these steps, you should now have Bootstrap-Vue integrated into your Vue project without any compilation errors. Whenever you're facing similar issues in the future, remember to check your package installation questions and ensure you're importing the required style sheets correctly.

If you still encounter issues, revisiting your scss file imports or checking the compatibility of your dependencies could help as well.

Now, go ahead and enjoy the benefits of Bootstrap-Vue in your Vue applications!