JSTQL-JS-Transform/dsl_files/do.jstql

proposal DoExpression{
    case arrowFunction{
        applicable to {
            "let <<ident:Identifier>> = () => {
                <<statements: (Statement && !ReturnStatement)+>>
                return <<returnVal : Expression>>;
            }
            "
        }
        transform to {
            "let <<ident>> = do {
                <<statements>>
                <<returnVal>>
            }"
        }
    }

    case immediatelyInvokedUnnamedFunction {
        applicable to {
            "let <<ident:Identifier>> = function(){
                <<statements: (Statement && !ReturnStatement)+>>
                return <<returnVal : Expression>>;
            }();"
        }

        transform to {
            "let <<ident>> = do {
                <<statements>>
                <<returnVal>>
            }"
        }
    }
}