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on this file since 8d391a1 was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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| 1 | /**
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| 2 | * @license
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| 3 | * Copyright Google LLC All Rights Reserved.
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| 4 | *
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| 5 | * Use of this source code is governed by an MIT-style license that can be
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| 6 | * found in the LICENSE file at https://angular.io/license
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| 7 | */
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| 8 | import { initNgDevMode } from './ng_dev_mode';
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| 9 | /**
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| 10 | * This file contains reuseable "empty" symbols that can be used as default return values
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| 11 | * in different parts of the rendering code. Because the same symbols are returned, this
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| 12 | * allows for identity checks against these values to be consistently used by the framework
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| 13 | * code.
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| 14 | */
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| 15 | export const EMPTY_OBJ = {};
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| 16 | export const EMPTY_ARRAY = [];
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| 17 | // freezing the values prevents any code from accidentally inserting new values in
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| 18 | if ((typeof ngDevMode === 'undefined' || ngDevMode) && initNgDevMode()) {
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| 19 | // These property accesses can be ignored because ngDevMode will be set to false
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| 20 | // when optimizing code and the whole if statement will be dropped.
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| 21 | // tslint:disable-next-line:no-toplevel-property-access
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| 22 | Object.freeze(EMPTY_OBJ);
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| 23 | // tslint:disable-next-line:no-toplevel-property-access
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| 24 | Object.freeze(EMPTY_ARRAY);
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| 25 | }
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| 26 | //# sourceMappingURL=data:application/json;base64,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 |
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