Method _sendTraceDeltas

js/src/widget.ts:1554–1576

* Construct trace deltas array for the requested trace indexes and * send traceDeltas message to the Python side * Array of indexes of traces for which to compute deltas * @param trace_edit_id * Edit ID of message that triggered the creation of trace deltas * @private

(trace_edit_id: any)

   * @private
   */
  _sendTraceDeltas(trace_edit_id: any) {
    var trace_data = this.model.get("_widget_data");
    var traceIndexes = _.range(trace_data.length);
    var trace_deltas = new Array(traceIndexes.length);

    var fullData = this.getFullData();
    for (var i = 0; i < traceIndexes.length; i++) {
      var traceInd = traceIndexes[i];
      trace_deltas[i] = createDeltaObject(
        fullData[traceInd],
        trace_data[traceInd]
      );
    }

    /** @type{Js2PyTraceDeltasMsg} */
    var traceDeltasMsg: Js2PyTraceDeltasMsg = {
      trace_deltas: trace_deltas,
      trace_edit_id: trace_edit_id,
    };

    this.model.set("_js2py_traceDeltas", traceDeltasMsg);
    this.touch();
  }
}

// Serialization