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How to Prevent goimports from Removing Unused Imports When Adding New Packages?

Barbara Streisand

Nov 19, 2024 pm 12:24 PM

How to Prevent goimports from Removing Unused Imports When Adding New Packages?

Customizing Use of goimports for Preventing Removal of Unused Imports

In an attempt to maintain code cleanliness and organization, many developers utilize goimports for automatic code reformatting and dependency management. However, certain instances have arisen where goimports conflicts with Integrated Development Environment (IDE) autosave features.

Specifically, when attempting to add a new package to the codebase:

The package is installed using 'dep ensure' to fetch dependencies.
The IDE cache is refreshed, allowing the IDE to recognize the new package.
The goimports tool is inadvertently invoked during file saving.
Goimports identifies the unused package and proceeds to remove it from the import list, which is undesired.

To circumvent this issue, several workarounds have been proposed:

Manual Package Addition Using 'dep ensure -add': This method involves adding the package manually using the 'dep ensure -add' command. This approach ensures that the package is retained regardless of goimports' actions.
Disabling goimports: This solution involves replacing goimports with gofmt, which does not possess the same auto-removal feature. However, this may result in reduced code formatting capabilities.
Disabling Autoformatting on Save: This option disables automatic code formatting when saving files. This approach eliminates goimports' influence, but it may require additional manual formatting efforts.

To achieve a more convenient solution, it is recommended to invoke 'dep ensure -add package/name' manually. This will instruct the IDE to identify the package and add the necessary import statement automatically. This method effectively eliminates the conflict between goimports and the IDE's autocompletion and navigation features.

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