signal-desktop/ts/linkPreviews/isLinkPreviewDateValid.ts

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TypeScript
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2020-09-28 23:46:31 +00:00
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
);
}