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We auto-import the packages in the FASTN.ftd file.
-- fastn.auto-import: <package-name>

Usage of auto-import

Question: When do we use auto-import?

The answer is, when a component of a package or a package is used in almost all files of the project.

Question: When do we not use auto-import?

When a particular component is used just once or twice in a project, we do not auto-import instead we import it in the specific file/s where the component is required.

Question: Why do we not auto-import all the components or packages?

It downloads the complete package in our project making the size of the project unnecessarily big.
fastn is intelligent
If a package is not used in any .ftd file but it is auto-imported in the FASTN.ftd file, that package would not be downloaded.