Function pickUniqueDuplicateKey

packages/cli/src/batch-transform.ts:1119–1128

(originalKey: string, usedKeys: Set<string>)

}

function pickUniqueDuplicateKey(originalKey: string, usedKeys: Set<string>): string {
  let candidate = `${originalKey}-copy`;
  let suffix = 2;
  while (usedKeys.has(candidate)) {
    candidate = `${originalKey}-copy-${suffix}`;
    suffix++;
  }
  usedKeys.add(candidate);
  return candidate;
}

function deduplicateKey(
  jsxText: string,