Signal-Desktop/ts/util/isNormalNumber.ts

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only

export function isNormalNumber(value: unknown): value is number {
  return (
    typeof value === 'number' && !Number.isNaN(value) && Number.isFinite(value)
  );
}