Function maybeRunTrigger

src/triggers.js:920–1023

(
  triggerType,
  auth,
  parseObject,
  originalParseObject,
  config,
  context
)

// trigger will set the object key to the rest format object to save.
// originalParseObject is optional, we only need that for before/afterSave functions
export function maybeRunTrigger(
  triggerType,
  auth,
  parseObject,
  originalParseObject,
  config,
  context
) {
  if (!parseObject) {
    return Promise.resolve({});
  }
  return new Promise(function (resolve, reject) {
    var trigger = getTrigger(parseObject.className, triggerType, config.applicationId);
    if (!trigger) { return resolve(); }
    var request = getRequestObject(
      triggerType,
      auth,
      parseObject,
      originalParseObject,
      config,
      context
    );
    var { success, error } = getResponseObject(
      request,
      object => {
        logTriggerSuccessBeforeHook(
          triggerType,
          parseObject.className,
          parseObject.toJSON(),
          object,
          auth,
          triggerType.startsWith('after')
            ? config.logLevels.triggerAfter
            : config.logLevels.triggerBeforeSuccess
        );
        if (
          triggerType === Types.beforeSave ||
          triggerType === Types.afterSave ||
          triggerType === Types.beforeDelete ||
          triggerType === Types.afterDelete
        ) {
          Object.assign(context, request.context);
        }
        resolve(object);
      },
      error => {
        logTriggerErrorBeforeHook(
          triggerType,
          parseObject.className,
          parseObject.toJSON(),
          auth,
          error,
          config.logLevels.triggerBeforeError
        );
        reject(error);
      }
    );