extensions/typescript-language-features/src/languageFeatures/fileConfigurationManager.ts/getJsxAttributeCompletionStyle
function getJsxAttributeCompletionStyle(config: vscode.WorkspaceConfiguration) {
	switch (config.get<string>('jsxAttributeCompletionStyle')) {
		case 'braces': return 'braces';
		case 'none': return 'none';
		default: return 'auto';
	}
}