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@stdlib/assert

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Standard assertion utilities.

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/** * @license Apache-2.0 * * Copyright (c) 2018 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 hasSymbols = require( './../../has-symbol-support' ); // VARIABLES // var FLG = hasSymbols(); // MAIN // /** * Tests for native `toStringTag` support. * * @returns {boolean} boolean indicating if an environment has `toStringTag` support * * @example * var bool = hasToStringTagSupport(); * // returns <boolean> */ function hasToStringTagSupport() { return ( FLG && typeof Symbol.toStringTag === 'symbol' ); } // EXPORTS // module.exports = hasToStringTagSupport;