/** * Copyright (c) Microsoft Corporation. * * 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. */ export { isString } from './stringUtils'; export function isRegExp(obj: any): obj is RegExp { return obj instanceof RegExp || Object.prototype.toString.call(obj) === '[object RegExp]'; } export function isRegexString(value: string): boolean { try { new RegExp(value); return true; } catch { return false; } } export function isObject(obj: any): obj is NonNullable { return typeof obj === 'object' && obj !== null; } export function isError(obj: any): obj is Error { return obj instanceof Error || (obj && Object.getPrototypeOf(obj)?.name === 'Error'); }