24 lines
448 B
TypeScript
24 lines
448 B
TypeScript
// Copyright 2020 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;
|
|
}
|