31 lines
1.2 KiB
TypeScript
31 lines
1.2 KiB
TypeScript
/**
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* @license
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* Copyright 2017 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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export declare function contains<T extends object>(obj: T, key: string): boolean;
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export declare function safeGet<T extends object, K extends keyof T>(obj: T, key: K): T[K] | undefined;
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export declare function isEmpty(obj: object): obj is {};
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export declare function map<K extends string, V, U>(obj: {
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[key in K]: V;
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}, fn: (value: V, key: K, obj: {
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[key in K]: V;
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}) => U, contextObj?: unknown): {
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[key in K]: U;
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};
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/**
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* Deep equal two objects. Support Arrays and Objects.
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*/
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export declare function deepEqual(a: object, b: object): boolean;
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