How to Automatically Format Go Code in Visual Studio Code upon Saving?

Enabling Automatic Code Formatting for Go in Visual Studio Code upon Save

Question:

How can I configure Visual Studio Code (VS Code) to automatically format Go code upon saving?

Answer:

Configuring VS Code for Automatic Formatting:

1. Open "Settings" (Ctrl ,) or "Preferences" (Cmd ,) in VS Code.
2. In the "Search settings" field, enter "Go."
3. Expand the "Go" section and locate the following settings:

• editor.insertSpaces: Set to true to use spaces for indentation.
• editor.formatOnSave: Set to true to enable automatic formatting on save.
• editor.defaultFormatter: Set to "golang.go" to use the built-in Go formatter.

Additional Notes:

• Ensure you have installed the Go extension for VS Code.
• After saving, verify that the code has been formatted according to the Go style guide.
• To prevent formatting from occurring on every keystroke, you can disable "Auto Save" in VS Code's settings.
• You can also configure custom formatting rules by creating a .go-fmt.yaml file in your project directory.

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