@deepgram/captions/src/lib/helpers.ts

Node implementation of Deepgram's WebVTT and SRT formatting. Given a transcription, this package can return a valid string to store as WebVTT or SRT caption files.

import dayjs from "dayjs";
import utc from "dayjs/plugin/utc";
dayjs.extend(utc);

export function secondsToTimestamp(seconds: number, format = "HH:mm:ss.SSS"): string {
  return dayjs(seconds * 1000)
    .utc()
    .format(format);
}

export function chunkArray(arr: any[], length: number): any[] {
  const res: any[] = [];

  for (let i = 0; i < arr.length; i += length) {
    const chunkarr = arr.slice(i, i + length);
    res.push(chunkarr);
  }

  return res;
}