| 1 | ;
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| 2 | /**
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| 3 | * @license
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| 4 | * Copyright Google Inc. All Rights Reserved.
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| 5 | *
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| 6 | * Use of this source code is governed by an MIT-style license that can be
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| 7 | * found in the LICENSE file at https://angular.io/license
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| 8 | */
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| 9 | Object.defineProperty(exports, "__esModule", { value: true });
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| 10 | function _isTruthy(value) {
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| 11 | // Returns true if value is a string that is anything but 0 or false.
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| 12 | return value !== undefined && value !== '0' && value.toUpperCase() !== 'FALSE';
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| 13 | }
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| 14 | function isTTY() {
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| 15 | // If we force TTY, we always return true.
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| 16 | const force = process.env['NG_FORCE_TTY'];
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| 17 | if (force !== undefined) {
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| 18 | return _isTruthy(force);
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| 19 | }
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| 20 | return !!process.stdout.isTTY && !_isTruthy(process.env['CI']);
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| 21 | }
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| 22 | exports.isTTY = isTTY;
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