Wrap long lines using golines

[Shaun Jackman]

Is your feature request related to a problem? Please describe.
I'd like to wrap long lines.

Describe the solution you'd like
I'd like to wrap long lines using golines when I save a file.

Describe alternatives you've considered

• Configure pre-commit to run golines (see https://github.com/segmentio/golines/blob/master/.pre-commit-hooks.yaml)
• Configure emeraldwalk.runonsave to run golines (see #847 (comment))

Additional context
On 2021-04-09 in #847 (comment), @stamblerre wrote…

You can now setting "go.formatTool": "golines" and it will work together with gopls. Closing.

but when I set this configuration option go.formatTool": "golines, I get the error message:
Value is not accepted. Valid values: "default", "gofmt", "goimports", "goformat", "gofumpt", "custom".

[Hyang-Ah Hana Kim]

    "go.formatTool": "custom",
    "go.alternateTools": {
        "customFormatter": "golines" <--- or exact path like "~/go/bin/golines". 
    }
}

[Hyang-Ah Hana Kim]

Add this to https://github.com/golang/vscode-go/wiki/features#custom-formatter
and https://github.com/golang/vscode-go/wiki/faq

[Shaun Jackman]

Nice! Thank you for the quick and helpful response, @hyangah! 😁