Function forEachEnvelopeItem

packages/core/src/utils/envelope.ts:48–64

(
  envelope: Envelope,
  callback: (envelopeItem: E[1][number], envelopeItemType: E[1][number][0]['type']) => boolean | void,
)

 * If the callback returns true, the rest of the items will be skipped.
 */
export function forEachEnvelopeItem<E extends Envelope>(
  envelope: Envelope,
  callback: (envelopeItem: E[1][number], envelopeItemType: E[1][number][0]['type']) => boolean | void,
): boolean {
  const envelopeItems = envelope[1];

  for (const envelopeItem of envelopeItems) {
    const envelopeItemType = envelopeItem[0].type;
    const result = callback(envelopeItem, envelopeItemType);

    if (result) {
      return true;
    }
  }

  return false;
}

/**
 * Returns true if the envelope contains any of the given envelope item types