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@stdlib/error

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/** * @license Apache-2.0 * * Copyright (c) 2022 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 isObject = require( '@stdlib/assert/is-plain-object' ); var hasOwnProp = require( '@stdlib/assert/has-own-property' ); var isString = require( '@stdlib/assert/is-string' ).isPrimitive; var format = require( '@stdlib/string/format' ); // MAIN // /** * Validates function options. * * @private * @param {Object} opts - destination object * @param {Options} options - options to validate * @param {string} [options.url] - website URL for full error message * @param {string} [options.message] - error message template with `{{url}}` and `{{code}}` placeholders that will be replaced * @returns {(Error|null)} error object or null */ function validate( opts, options ) { if ( !isObject( options ) ) { return new TypeError( format( 'invalid argument. Options argument must be an object. Value: `%s`.', options ) ); } if ( hasOwnProp( options, 'url' ) ) { opts.url = options.url; if ( !isString( opts.url ) ) { return new TypeError( format( 'invalid option. `%s` option must be a string. Option: `%s`.', 'url', opts.url ) ); } } if ( hasOwnProp( options, 'message' ) ) { opts.message = options.message; if ( !isString( opts.message ) ) { return new TypeError( format( 'invalid option. `%s` option must be a string. Option: `%s`.', 'message', opts.message ) ); } } return null; } // EXPORTS // module.exports = validate;