| 129537 | return (0, _vegaDataflow.ingest)({}); |
| 129538 | } |
| 129539 | function newMap(key) { |
| 129540 | const map = (0, _vegaUtil.fastmap)().test((t)=>t.exit); |
| 129541 | map.lookup = (t)=>map.get(key(t)); |
| 129542 | return map; |
| 129543 | } |
| 129544 | (0, _vegaUtil.inherits)(DataJoin, (0, _vegaDataflow.Transform), { |
| 129545 | transform (_, pulse) { |
| 129546 | var df = pulse.dataflow, out = pulse.fork(pulse.NO_SOURCE | pulse.NO_FIELDS), item = _.item || defaultItemCreate, key = _.key || (0, _vegaDataflow.tupleid), map = this.value; // prevent transient (e.g., hover) requests from |