node-yt-search/index.js

Search in YouTube With NodeJS

const qs = require('querystring');
let xhr = require('xhr');
if (!xhr.open) xhr = require('request');

const SEARCH = 'https://www.googleapis.com/youtube/v3/search?';
const VIDEO = 'https://www.googleapis.com/youtube/v3/videos?';

const videos = (params, fn) => {
  xhr({
    url: `${VIDEO}${qs.stringify(params)}`,
    methods: 'GET',
  }, (err, res, body) => {
    if (err) return fn(err);
    try {
      const data = JSON.parse(body);
      if (data.error) return fn(data.error);
      return fn(null, data);
    } catch (err) {
      return fn(err);
    }
  });
};

module.exports = (term, opts, fn) => {
  let params = {
    q: term,
    pageToken: opts.pageToken || '',
    part: opts.part || 'snippet',
  };
  params = Object.assign(params, opts);
  xhr({
    url: `${SEARCH}${qs.stringify(params)}`,
    method: 'GET',
  }, (err, res, body) => {
    if (err) return fn(err);
    try {
      const data = JSON.parse(body);
      if (data.error) return fn(data.error);
      const pageInfo = {
        totalResults: data.pageInfo.totalResults,
        resultsPerPage: data.pageInfo.resultsPerPage,
        nextPageToken: data.nextPageToken,
        prevPageToken: data.prevPageToken,
      };
      params.part = params.videoPart || 'snippet,contentDetails,statistics';
      params.id = data.items.map(item => (item.id.videoId)).toString();
      videos(params, (err, results) => fn(err, results, pageInfo));
    } catch (err) {
      return fn(err);
    }
  });
};