Function getRenderTranscriptRequestKey

apps/desktop/src/stt/render-transcript.ts:60–145

(
  request: RenderTranscriptRequest | null | undefined,
)

}

export function getRenderTranscriptRequestKey(
  request: RenderTranscriptRequest | null | undefined,
): string {
  if (!request) {
    return "empty";
  }

  let hash = 2_166_136_261;
  let wordCount = 0;
  let assignmentCount = 0;

  const writeString = (value: string) => {
    for (let index = 0; index < value.length; index += 1) {
      hash = Math.imul(hash ^ value.charCodeAt(index), 16_777_619) >>> 0;
    }
    hash = Math.imul(hash ^ 31, 16_777_619) >>> 0;
  };

  const writeValue = (value: unknown) => {
    if (value == null) {
      writeString("");
      return;
    }

    if (typeof value === "object") {
      try {
        writeString(JSON.stringify(value));
      } catch {
        writeString("[object]");
      }
      return;
    }

    writeString(String(value));
  };

  writeValue(request.self_human_id);

  for (const humanId of request.participant_human_ids) {
    writeValue(humanId);
  }

  for (const human of request.humans) {
    writeValue(human.human_id);
    writeValue(human.name);
  }

  for (const transcript of request.transcripts) {
    writeValue(transcript.started_at);
    wordCount += transcript.words.length;
    assignmentCount += transcript.assignments.length;

    for (const word of transcript.words) {
      writeValue(word.id);
      writeValue(word.text);
      writeValue(word.start_ms);
      writeValue(word.end_ms);
      writeValue(word.channel);