youtube-video-exists/dist/youtube-video-exists.esm.js

Checks if a YouTube video exists under the given ID. No API key is required.

import axios from 'axios';

/**
 * Source: https://webapps.stackexchange.com/a/101153
 */

var idRegex = /*#__PURE__*/new RegExp('^([0-9A-Za-z_-]{10}[048AEIMQUYcgkosw])$');
/**
 * Checks if a YouTube video exists under the given ID
 *
 * When a video is found the return object also includes the title and author of the video
 *
 * @param id - YouTube video id
 * @returns {@link VideoInfoResponse} when {@link Promise} is resolved
 * @throws {@link AxiosError} when a network issue occurred
 */

function getVideoInfo(id) {
  var videoInfoResponse = {
    existing: false,
    validId: false,
    "private": undefined,
    info: undefined
  };

  if (idRegex.test(id)) {
    videoInfoResponse.validId = true;
    return axios.request({
      url: 'oembed',
      baseURL: 'https://www.youtube.com/',
      params: {
        url: "https://youtu.be/" + id,
        format: 'json'
      },
      validateStatus: function validateStatus(status) {
        return status === 200 || status === 404 || status === 401;
      }
    }).then(function (response) {
      if (response.status === 200) {
        videoInfoResponse.existing = true;
        videoInfoResponse["private"] = false;
        videoInfoResponse.info = {
          title: response.data.title,
          author: {
            name: response.data.author_name,
            url: response.data.author_url
          }
        };
      } else if (response.status === 401) {
        videoInfoResponse.existing = true;
        videoInfoResponse["private"] = true;
      }

      return videoInfoResponse;
    });
  } else return new Promise(function (resolve) {
    return resolve(videoInfoResponse);
  });
}

export { getVideoInfo };
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