@angular/core
Version:
Angular - the core framework
32 lines • 3.34 kB
JavaScript
/**
* @fileoverview added by tsickle
* @suppress {checkTypes,extraRequire,missingOverride,missingReturn,unusedPrivateMembers,uselessCode} checked by tsc
*/
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
import '../util/ng_dev_mode';
/**
* This file contains reuseable "empty" symbols that can be used as default return values
* in different parts of the rendering code. Because the same symbols are returned, this
* allows for identity checks against these values to be consistently used by the framework
* code.
* @type {?}
*/
export const EMPTY_OBJ = {};
/** @type {?} */
export const EMPTY_ARRAY = [];
// freezing the values prevents any code from accidentally inserting new values in
if (typeof ngDevMode !== 'undefined' && ngDevMode) {
// These property accesses can be ignored because ngDevMode will be set to false
// when optimizing code and the whole if statement will be dropped.
// tslint:disable-next-line:no-toplevel-property-access
Object.freeze(EMPTY_OBJ);
// tslint:disable-next-line:no-toplevel-property-access
Object.freeze(EMPTY_ARRAY);
}
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