tesseract.js/src/common/options.js

module.exports = {
  defaultOptions: {
    /*
     * default path for downloading *.traineddata, this URL basically
     * points to a github page, not using jsDelivr as there is is limitation
     * of 20 MB.
     */
    langPath: 'https://tessdata.projectnaptha.com/4.0.0',
  },
};