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2334a7c030
`stdin` can be redirected/piped by various shells but still be interactive. Node.js recommends only testing `stdout`: https://nodejs.org/api/tty.html#tty_tty Fixes #14640
18 lines
504 B
TypeScript
18 lines
504 B
TypeScript
/**
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* @license
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* Copyright Google Inc. All Rights Reserved.
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*
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* Use of this source code is governed by an MIT-style license that can be
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* found in the LICENSE file at https://angular.io/license
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*/
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export function isTTY(): boolean {
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const force = process.env['NG_FORCE_TTY'];
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if (force !== undefined) {
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return !(force === '0' || force.toUpperCase() === 'FALSE');
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}
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const ci = process.env['CI'];
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return !!process.stdout.isTTY && (!ci || ci === '0' || ci.toUpperCase() === 'FALSE');
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}
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