Function selectBestContainer

packages/cli/src/mdx-text.ts:165–201

(
  tree: MdxNode,
  line: number,
  col: number,
  originalText: string,
)

}

function selectBestContainer(
  tree: MdxNode,
  line: number,
  col: number,
  originalText: string,
): ContainerCandidate | null {
  const candidates = collectContainerCandidates(tree);
  if (candidates.length === 0) return null;

  const normalizedOriginal = normalizeTextForMatch(originalText);
  const exactTextMatches = candidates.filter(
    (candidate) => normalizeTextForMatch(candidate.renderedText) === normalizedOriginal,
  );
  const partialTextMatches = candidates.filter((candidate) => {
    const normalizedCandidate = normalizeTextForMatch(candidate.renderedText);
    return normalizedCandidate.includes(normalizedOriginal) || normalizedOriginal.includes(normalizedCandidate);
  });

  const pool =
    exactTextMatches.length > 0
      ? exactTextMatches
      : partialTextMatches.length > 0
        ? partialTextMatches
        : candidates;

  let best: ContainerCandidate | null = null;
  let bestScore = Number.NEGATIVE_INFINITY;
  for (const candidate of pool) {
    const score = scoreCandidate(candidate, line, col, normalizedOriginal);
    if (score > bestScore) {
      best = candidate;
      bestScore = score;
    }
  }

  return bestScore > Number.NEGATIVE_INFINITY ? best : null;
}

function collectContainerCandidates(root: MdxNode): ContainerCandidate[] {
  const candidates: ContainerCandidate[] = [];