* A generic error utility function. * @private * @param {String} type The error type. * @returns {Error} Throws a `RangeError` with the applicab

* Escape a regular expression string. * * @param {string} str * @return {string}

* A generic `Array#map` utility function. * @private * @param {Array} array The array to iterate over. * @param {Function} callback The function

* Attach the keys as a property of the regexp. * * @param {!RegExp} re * @param {Array} keys * @return {!RegExp}

* Checks `localStorage` for boolean values for the given `name`. * * @param {String} name * @returns {Boolean} * @api private

* Converts a string of Unicode symbols (e.g. a domain name label) to a * Punycode string of ASCII-only symbols. * @memberOf punycode * @param {S

* Bias adaptation function as per section 3.4 of RFC 3492. * https://tools.ietf.org/html/rfc3492#section-3.4 * @private

* Converts charset name if needed * * @param {String} name Character set * @return {String} Character set name

* Convert encoding of astring with iconv-lite * * @param {String|Buffer} str String to be converted * @param {String} to Encoding to be converted t

* Converts a digit/integer into a basic code point. * @see `basicToDigit()` * @private * @param {Number} digit The numeric value of a basic code