Function streamSource

docs/app/js/sanddance-app.js:147233–147237

(stream, scope)

    sources.forEach((source)=>scope.addUpdate((0, _vegaUtil.extend)(streamSource(source, scope), entry5)));
}
function streamSource(stream, scope) {
    return {
        source: stream.signal ? scope.signalRef(stream.signal) : stream.scale ? scope.scaleRef(stream.scale) : parseStream(stream, scope)
    };
}
function mergeSources(sources) {
    return {
        signal: "[" + sources.map((s)=>s.scale ? 'scale("' + s.scale + '")' : s.signal) + "]"