Function exportTranscript

packages/cli/src/commands/transcribe.ts:178–210

(
  inputPath: string,
  dir: string,
  to: CaptionExportFormat,
  output: string | undefined,
  json: boolean,
  preserveCues: boolean,
)

// ---------------------------------------------------------------------------

async function exportTranscript(
  inputPath: string,
  dir: string,
  to: CaptionExportFormat,
  output: string | undefined,
  json: boolean,
  preserveCues: boolean,
): Promise<void> {
  const { loadTranscript, formatSrt, formatVtt } = await import("../whisper/normalize.js");
  const { words, format } = loadTranscript(inputPath);

  if (words.length === 0) exitNoWords(json);

  // A .srt/.vtt source is already phrase-level; keep its cue boundaries 1:1.
  // --preserve-cues forces the same for an already-cued transcript.json whose
  // entries have no internal whitespace (single-word or CJK captions), which
  // the automatic whitespace heuristic in wordsToCues can't detect.
  const preGrouped = preserveCues || format === "srt" || format === "vtt" || undefined;
  const outPath = resolve(output ?? join(dir, `transcript.${to}`));
  const content =
    to === "srt" ? formatSrt(words, { preGrouped }) : formatVtt(words, { preGrouped });
  writeFileSync(outPath, content);

  if (json) {
    console.log(
      JSON.stringify({ ok: true, format: to, wordCount: words.length, outputPath: outPath }),
    );
  } else {
    console.log(
      `${c.success("◇")}  Exported ${c.accent(String(words.length))} words to ${c.accent(to.toUpperCase())} → ${c.accent(outPath)}`,
    );
  }
}

// ---------------------------------------------------------------------------
// Transcribe audio/video with whisper