Async ExpressionHandler about bpmn-elements HOT 3 CLOSED

import * as elements from 'bpmn-elements';

class FlorianSequenceFlow extends elements.SequenceFlow {
  getCondition() {
    const condition = super.getCondition();
    if (condition?.type !== 'expression') return condition;

    const execute = condition.execute;
    condition.execute = asyncExecute.bind(condition);

    return condition;

    function asyncExecute(message, callback) {
      execute.call(condition, message, (executeErr, result) => {
        if (executeErr) return callback(executeErr);
        return Promise.resolve(result).then(r =>
          callback ? callback(null, r) : result).catch(err =>
          callback ? callback(err) : err);
      });
    }
  }
}