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