INNER CODE UNIT · JavaScript

normalizeCards

Sisyphe42/ReignsAgent · packages/core/src/index.js:232

export function normalizeCards(cards) {
  if (!Array.isArray(cards)) {
    throw new CoreError("cards must be an array");
  }

  const seenCardIds = new Set();

  return cards.map((card) => {
    if (!card?.id) {
      throw new CoreError("Each card requires an id");
    }

    if (seenCardIds.has(card.id)) {
      throw new CoreError(`Duplicate card id '${card.id}'`);
    }
    seenCardIds.add(card.id);

    if (!Array.isArray(card.choices) || card.choices.length === 0) {

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