text: /**
  * @license Apache-2.0
  *
  * Copyright (c) 2021 The Stdlib Authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
  
  'use strict';
  
  // MODULES //
  
  var hasOwnProp = require( '@stdlib/assert/has-own-property' );
  var isObject = require( '@stdlib/assert/is-object' );
  var isString = require( '@stdlib/assert/is-string' ).isPrimitive;
  
  
  // MAIN //
  
  /**
  * Validates function options.
  *
  * @param {Object} opts - destination object
  * @param {Object} options - options to validate
  * @param {string} options.org - GitHub organization name
  * @param {string} [options.type] - repository type
  * @param {string} [options.token] - GitHub access token
  * @param {string} [options.useragent] - user agent string
  * @returns {(Error|null)} error or null
  */
  function validate( opts, options ) {
  	if ( !isObject( options ) ) {
  		return new TypeError( 'invalid argument. Options argument must be an object. Value: `' + options + '`.' );
  	}
  	opts.org = options.org;
  	if ( !isString( opts.org ) ) {
  		return new TypeError( 'invalid option. Organization name option must be a string primitive. Option: `' + opts.org + '`.' );
  	}
  	if ( hasOwnProp( options, 'type' ) ) {
  		opts.type = options.type;
  		if ( !isString( opts.type ) ) {
  			return new TypeError( 'invalid option. Type option must be a string primitive. Option: `' + opts.type + '`.' );
  		}
  	}
  	if ( hasOwnProp( options, 'token' ) ) {
  		opts.token = options.token;
  		if ( !isString( opts.token ) ) {
  			return new TypeError( 'invalid option. Token option must be a string primitive. Option: `' + opts.token + '`.' );
  		}
  	}
  	if ( hasOwnProp( options, 'useragent' ) ) {
  		opts.useragent = options.useragent;
  		if ( !isString( opts.useragent ) ) {
  			return new TypeError( 'invalid option. User agent option must be a string primitive. Option: `' + opts.useragent + '`.' );
  		}
  	}
  	return null;
  }
  
  
  // EXPORTS //
  
  module.exports = validate;
  