@angular/cdk
Version:
Angular Material Component Development Kit
17 lines • 3.4 kB
JavaScript
/**
* @license
* Copyright Google LLC 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
*/
export class DataSource {
}
/** Checks whether an object is a data source. */
export function isDataSource(value) {
// Check if the value is a DataSource by observing if it has a connect function. Cannot
// be checked as an `instanceof DataSource` since people could create their own sources
// that match the interface, but don't extend DataSource.
return value && typeof value.connect === 'function';
}
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