Validate the existence of Youtube and Vimeo Video

validate_yt_vimeo.ts

/**
 * The function validates whether a given URL is a valid YouTube or Vimeo video link.
 * @param {string} url - a string representing the URL of a video from either YouTube or Vimeo.
 * @returns A function that takes a string parameter `url` and returns a Promise. The function checks
 * if the `url` matches a YouTube URL regex and if the video ID is 11 characters long. If it is a
 * YouTube URL, the function creates an image element with the video thumbnail URL and checks if the
 * image has a width of 120 pixels. If it does, the function rejects the Promise with
 */

const YOUTUBE_URL_REGEX = /^.*(youtu.be\/|v\/|u\/\w\/|embed\/|watch\?v=|\&v=|\?v=)([^#\&\?]*).*/;

export const validateYtAndVimeo = (url: string) => {
  if (
    url.match(YOUTUBE_URL_REGEX) &&
    url.match(YOUTUBE_URL_REGEX)?.[2]?.length === 11
  ) {
    return new Promise((resolve, reject) => {
      let img = new Image();
      const videoId = url.match(/([a-z0-9_-]{11})/gim)?.[0];
      img.src = "http://img.youtube.com/vi/" + videoId + "/mqdefault.jpg";
      img.addEventListener("load", function () {
        if (this.width === 120) {
          reject("Youtube video not found");
        } else {
          resolve(true);
        }
      });
    });
  } else {
    return new Promise(async (resolve, reject) => {
      const checkVimeoVideo = await fetch(`/api/validation/vimeo?url=${url}`);
      if (checkVimeoVideo.ok) {
        resolve(true);
      } else {
        reject("Vimeo video not found");
      }
    });
  }
};

//API Route handler for Vimeo Video Validation
const VIMEO_OEMBED_URL = "https://vimeo.com/api/oembed.json?url=";
import axios from "axios";
import { NextApiRequest, NextApiResponse } from "next";

export default async function handler(
  req: NextApiRequest,
  res: NextApiResponse
) {
  const url = req.query.url;
  const response = await axios({
    method: "get",
    url: VIMEO_OEMBED_URL?.concat(url as string),
    responseType: "json",
    headers: {},
  });
  res.status(200).json(response.data);
}