Method focus

docs/app/js/sanddance-app.js:364–369

()

            this.dropdownRef = (0, _base.base).react.createRef();
        }
        focus() {
            if (!this.focused) {
                this.focused = true;
                this.dropdownRef.current.focus(true);
            }
        }
        componentDidMount() {
            const size = (0, _sanddanceReact.SandDance).VegaDeckGl.util.outerSize(this.div);
            const over = {