settings.json

{
    "ruby.rubocop.executePath": "/Users/xxx/.rbenv/shims/",
    "ruby.rubocop.onSave": true,
    "ruby.useLanguageServer": false,
    "[ruby]": {
        "editor.formatOnSave": true
    },
    "editor.formatOnSave": true,
    "editor.formatOnSaveTimeout": 1500,
    "solargraph.autoformat": true,
    "solargraph.diagnostics": true,
    "solargraph.formatting": true,
    "workbench.colorTheme": "Atom One Dark",
    "workbench.startupEditor": "newUntitledFile"
}