SagaExporter.prototype.parseEdge = function()

in saga/seata-saga-statemachine-designer/src/modeling/SagaExporter.js [42:89]

• 48 lines of code
• 14 McCabe index (conditional complexity)

SagaExporter.prototype.parseEdge = function (definitions, edge) {
  const { businessObject } = edge;
  const elementJson = businessObject.exportJson();
  const { source, target } = elementJson.style;
  if (!source) {
    if (definitions.StartState) {
      throw new Error(`Two or more start states, ${target} and ${definitions.StartState}`);
    } else {
      definitions.StartState = target;
      if (definitions.edge === undefined) {
        definitions.edge = {};
      }
      assign(definitions.edge, elementJson);
    }
  } else {
    const stateRef = definitions.States[source];
    switch (businessObject.Type) {
      case 'ChoiceEntry':
        if (!stateRef.Choices) {
          stateRef.Choices = [];
        }
        stateRef.Choices.push({
          Expression: businessObject.Expression,
          Next: target,
        });
        if (businessObject.Default) {
          stateRef.Default = target;
        }
        stateRef.edge = assign(stateRef.edge || {}, { [target]: elementJson });
        break;
      case 'ExceptionMatch':
        stateRef.Catch.push({
          Exceptions: businessObject.Exceptions,
          Next: target,
        });
        stateRef.catch = assign(stateRef.catch || {}, { edge: { [target]: elementJson } });
        break;
      case 'Compensation':
        stateRef.CompensateState = target;
        stateRef.edge = assign(stateRef.edge || {}, { [target]: elementJson });
        break;
      case 'Transition':
      default:
        stateRef.Next = target;
        stateRef.edge = assign(stateRef.edge || {}, { [target]: elementJson });
    }
  }
};