/** * @license * Copyright (C) 2020 The Android Open Source Project * * 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. */ /** * @fileoverview Functions in this file contains some widely used * code patterns. If you noticed a repeated code and none of the existing util * files are appropriate for it - you can wrap the code in a function and put it * here. If you notice that several functions can be group together - create * a separate util file for them. */ /** * Wrapper for the Object.prototype.hasOwnProperty method */ // eslint-disable-next-line @typescript-eslint/no-explicit-any export function hasOwnProperty(obj: any, prop: PropertyKey) { // Typescript rules don't allow to use obj.hasOwnProperty directly return Object.prototype.hasOwnProperty.call(obj, prop); } // TODO(TS): move to common types once we have type utils // tslint:disable-next-line:no-any Required for constructor signature. export type Constructor = new (...args: any[]) => T; /** * Use the function for compile-time checking that all possible input * values are processed */ export function assertNever(obj: never, msg: string): never { console.error(msg, obj); throw new Error(msg); }