Function flattenFnArray

src/lifecycles/lifecycle.helpers.js:15–45

(appOrParcel, lifecycle)

}

export function flattenFnArray(appOrParcel, lifecycle) {
  let fns = appOrParcel[lifecycle] || [];
  fns = Array.isArray(fns) ? fns : [fns];
  if (fns.length === 0) {
    fns = [() => Promise.resolve()];
  }

  const type = objectType(appOrParcel);
  const name = toName(appOrParcel);

  return function (props) {
    return fns.reduce((resultPromise, fn, index) => {
      return resultPromise.then(() => {
        const thisPromise = fn(props);
        return smellsLikeAPromise(thisPromise)
          ? thisPromise
          : Promise.reject(
              formatErrorMessage(
                15,
                __DEV__ &&
                  `Within ${type} ${name}, the lifecycle function ${lifecycle} at array index ${index} did not return a promise`,
                type,
                name,
                lifecycle,
                index
              )
            );
      });
    }, Promise.resolve());
  };
}

export function smellsLikeAPromise(promise) {
  return (