Function findTopicForSegment

lib/transcript-export.ts:64–88

(
  segment: TranscriptSegment,
  topics: Topic[] | undefined
)

}

function findTopicForSegment(
  segment: TranscriptSegment,
  topics: Topic[] | undefined
): string | undefined {
  if (!topics?.length) {
    return undefined;
  }

  const start = segment.start;
  const end = segment.start + segment.duration;

  for (const topic of topics) {
    const overlaps = topic.segments.some((segmentRange) => {
      const overlapStart = Math.max(start, segmentRange.start);
      const overlapEnd = Math.min(end, segmentRange.end);
      return overlapEnd - overlapStart > Math.min(segment.duration, segmentRange.end - segmentRange.start) * 0.3;
    });

    if (overlaps) {
      return topic.title ?? undefined;
    }
  }

  return undefined;
}

function sanitizeText(text: string): string {
  return text.replace(/\s+/g, ' ').trim();