Signal-Desktop/ts/util/areArraysMatchingSets.ts

25 lines
453 B
TypeScript

// Copyright 2020-2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
export function areArraysMatchingSets<T>(
left: Array<T>,
right: Array<T>
): boolean {
const leftSet = new Set(left);
const rightSet = new Set(right);
for (const item of leftSet) {
if (!rightSet.has(item)) {
return false;
}
}
for (const item of rightSet) {
if (!leftSet.has(item)) {
return false;
}
}
return true;
}