VS Code snippet for Golang to return err if it's not nil. Just press alt+/ to insert the commonly used err-returning code.

go.json

{
	"Return err if it's not nil": {
		"prefix": "e?",
		"body": [
			"${TM_CURRENT_LINE/^(\\s*e\\?)|(\\s*if .+)|(\\s*)/${1:+if }${2:+ }${3:+if }/}err != nil {",
			"\treturn${2} err",
			"}",
		]
	}
}

keybindings.json

[
    {
        "key": "alt+/",
        "command": "editor.action.insertSnippet",
        "when": "editorTextFocus",
        "args": {
            "name": "Return err if it's not nil"
        }
    }
]