signal-desktop/ts/linkPreviews/isLinkPreviewDateValid.ts
2020-11-04 13:03:13 -06:00

14 lines
385 B
TypeScript

// Copyright 2020 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
const ONE_DAY = 24 * 60 * 60 * 1000;
export function isLinkPreviewDateValid(value: unknown): value is number {
const maximumLinkPreviewDate = Date.now() + ONE_DAY;
return (
typeof value === 'number' &&
value !== 0 &&
Number.isFinite(value) &&
value < maximumLinkPreviewDate
);
}