Function deduplicateKey

packages/cli/src/batch-transform.ts:1130–1155

(
  jsxText: string,
  nodePath: any,
  reservedKeysByParent: Map<string, Set<string>>,
)

}

function deduplicateKey(
  jsxText: string,
  nodePath: any,
  reservedKeysByParent: Map<string, Set<string>>,
): string {
  const attrs = nodePath.node.openingElement?.attributes ?? [];
  const keyAttr = attrs.find(
    (a: any) => a.type === "JSXAttribute" && a.name?.name === "key"
  );
  if (!keyAttr?.value) return jsxText;
  const originalKey = getLiteralAttributeValue(keyAttr.value);
  if (!originalKey) return jsxText;

  const parentIdentity = getDuplicateParentIdentity(nodePath);
  let usedKeys = reservedKeysByParent.get(parentIdentity);
  if (!usedKeys) {
    usedKeys = collectSiblingLiteralKeys(nodePath);
    reservedKeysByParent.set(parentIdentity, usedKeys);
  }

  const newKey = pickUniqueDuplicateKey(originalKey, usedKeys);
  return jsxText.replace(
    new RegExp(`key=(["'])${escapeRegex(originalKey)}\\1`),
    (_match, quote: string) => `key=${quote}${newKey}${quote}`,
  );
}

function getTextLikeNodeValue(node: any): string {
  if (!node) return "";