Function rootEncode

docs/app/js/sanddance-app.js:149345–149362

(spec)

    return scope;
}
const rootEncode = (spec)=>extendEncode({
        enter: {
            x: {
                value: 0
            },
            y: {
                value: 0
            }
        },
        update: {
            width: {
                signal: "width"
            },
            height: {
                signal: "height"
            }
        }
    }, spec);
function parseView(spec, scope) {
    const config = scope.config; // add scenegraph root
    const root = ref(scope.root = scope.add(operator())); // parse top-level signal definitions