@firebase/firestore
Version:
The Cloud Firestore component of the Firebase JS SDK.
34 lines (33 loc) • 1.15 kB
TypeScript
/**
* @license
* Copyright 2017 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Duck-typed interface for objects that have an isEqual() method.
*
* Note: This is copied from src/util/misc.ts to avoid importing private types.
*/
export interface Equatable<T> {
isEqual(other: T): boolean;
}
/**
* Custom equals override for types that have a free-standing equals functions
* (such as `queryEquals()`).
*/
export interface CustomMatcher<T> {
equalsFn: (left: T, right: T) => boolean;
forType: Function;
}
export declare function addEqualityMatcher(...customMatchers: Array<CustomMatcher<any>>): void;