Function make_node

lib/compress.js:1878–1886

(ctor, orig, props)

    }

    function make_node(ctor, orig, props) {
        if (props) {
            props.start = orig.start;
            props.end = orig.end;
        } else {
            props = orig;
        }
        return new ctor(props);
    }

    function make_sequence(orig, expressions) {
        if (expressions.length == 1) return expressions[0];