resolve-local-event-broker/es/publisher-server/core/parse-subscription.js

The reSolve framework's event broker for applications on a local machine.

import { TRANSFORM_JSON_MAPPED_ARRAY_SYMBOL, TRANSFORM_JSON_REGULAR_SYMBOL, TRANSFORM_NONE_SYMBOL } from '../constants';

function parseSubscription(subscriptionDescription, allowedKeys) {
  const subscriptionOptions = { ...subscriptionDescription
  };
  const allowedAndTransformedKeys = {
    subscriptionId: TRANSFORM_NONE_SYMBOL,
    eventSubscriber: TRANSFORM_NONE_SYMBOL,
    status: TRANSFORM_NONE_SYMBOL,
    deliveryStrategy: TRANSFORM_NONE_SYMBOL,
    queueStrategy: TRANSFORM_NONE_SYMBOL,
    eventTypes: TRANSFORM_JSON_MAPPED_ARRAY_SYMBOL,
    aggregateIds: TRANSFORM_JSON_MAPPED_ARRAY_SYMBOL,
    successEvent: TRANSFORM_JSON_REGULAR_SYMBOL,
    failedEvent: TRANSFORM_JSON_REGULAR_SYMBOL,
    errors: TRANSFORM_JSON_REGULAR_SYMBOL,
    cursor: TRANSFORM_JSON_REGULAR_SYMBOL,
    xaTransactionId: TRANSFORM_JSON_REGULAR_SYMBOL,
    runStatus: TRANSFORM_NONE_SYMBOL,
    batchId: TRANSFORM_NONE_SYMBOL,
    isEventBasedRun: TRANSFORM_NONE_SYMBOL,
    hasErrors: TRANSFORM_NONE_SYMBOL,
    maxParallel: TRANSFORM_NONE_SYMBOL,
    scopeName: TRANSFORM_NONE_SYMBOL,
    properties: TRANSFORM_JSON_REGULAR_SYMBOL
  };

  for (const key of Object.keys(subscriptionOptions)) {
    if (Array.isArray(allowedKeys) && allowedKeys.indexOf(key) < 0) {
      delete subscriptionOptions[key];
    }

    if (allowedAndTransformedKeys[key] === TRANSFORM_JSON_MAPPED_ARRAY_SYMBOL || allowedAndTransformedKeys[key] === TRANSFORM_JSON_REGULAR_SYMBOL) {
      let value = subscriptionOptions[key];
      value = value != null ? JSON.parse(value) : null;

      if (allowedAndTransformedKeys[key] === TRANSFORM_JSON_MAPPED_ARRAY_SYMBOL) {
        value = value != null ? Object.keys(value).map(jsonPath => jsonPath.replace(/\u001aSLASH/g, '\\').replace(/\u001aDOT/g, '.').replace(/\u001aQUOTE/g, '"').replace(/\u001aSUB/g, '\u001a')) : null;
      }

      subscriptionOptions[key] = value;
    } else if (allowedAndTransformedKeys[key] !== TRANSFORM_NONE_SYMBOL) {
      delete subscriptionOptions[key];
    }
  }

  return subscriptionOptions;
}

export default parseSubscription;
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