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34 lines
1.2 KiB
TypeScript
34 lines
1.2 KiB
TypeScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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export function isString(obj: any): obj is string {
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return typeof obj === 'string' || obj instanceof String;
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}
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export function isRegExp(obj: any): obj is RegExp {
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return obj instanceof RegExp || Object.prototype.toString.call(obj) === '[object RegExp]';
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}
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export function isObject(obj: any): obj is NonNullable<object> {
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return typeof obj === 'object' && obj !== null;
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}
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export function isError(obj: any): obj is Error {
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return obj instanceof Error || (obj && Object.getPrototypeOf(obj)?.name === 'Error');
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}
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export const isLikelyNpxGlobal = () => process.argv.length >= 2 && process.argv[1].includes('_npx');
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