Function requiredArguments

lib/internal/webidl.js:612–620

* Throws when a Web IDL operation receives too few arguments. * @param {number} length Actual argument count. * @param {number} required Required argument count. * @param {ConversionOptions} [options] Conversion options. * @returns {void}

(length, required, options = kEmptyObject)

 * @returns {void}
 */
function requiredArguments(length, required, options = kEmptyObject) {
  if (length < required) {
    throw makeException(
      `${required} argument${
        required === 1 ? '' : 's'
      } required, but only ${length} present.`,
      makeOptions(options, '', 'ERR_MISSING_ARGS'));
  }
}

/**
 * Creates a converter for a Web IDL enum type.