How to Run `go fmt` on Save in Visual Studio Code?

Run go fmt on Save in Visual Studio Code

Problem: How to configure Visual Studio Code to automatically run go fmt (or other commands) on file save, including auto save?

Solution:

To enable go fmt to run on save in Visual Studio Code, follow these steps:

1. Install "Go" Extension (Optional)

Although the extension is no longer required for go fmt on save, it provides additional Go-specific features and is recommended for Go development in VSCode.

2. Configure Auto Formatting

• Open "Settings" (Ctrl ,).
• Search for "editor.formatOnSave" and set it to true.

3. Enable "Go: Format on Save" (Alternative)

If you prefer not to enable auto formatting for all file types, you can specifically enable it for Go files:

• Open "Settings" (Ctrl ,).
• Search for "go.formatOnSave" and set it to true.

Additional Notes:

• Note 1: The "Go" extension has been under the management of the Go Team since 2020, ensuring its alignment with the latest Go developments.
• Note 2: The extension provides a convenient "Run Package Tests" feature that displays code coverage in a visual format.
• Note 3: The feature described in this answer is currently implemented and functional in Visual Studio Code.

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