Function streamSource

docs/tests/v2/es6/js/sanddance.js:133380–133384

(stream, scope)

}

function streamSource(stream, scope) {
  return {
    source: stream.signal ? scope.signalRef(stream.signal) : stream.scale ? scope.scaleRef(stream.scale) : (0, _stream.default)(stream, scope)
  };
}

function mergeSources(sources) {
  return {