18 lines
553 B
TypeScript
18 lines
553 B
TypeScript
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// Copyright 2021 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import type { MessageAttributesType } from '../model-types.d';
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import { ReadStatus } from './MessageReadStatus';
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export function migrateLegacyReadStatus(
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message: Readonly<Pick<MessageAttributesType, 'readStatus'>>
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): undefined | ReadStatus {
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const shouldMigrate = message.readStatus == null;
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if (!shouldMigrate) {
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return;
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}
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const legacyUnread = (message as Record<string, unknown>).unread;
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return legacyUnread ? ReadStatus.Unread : ReadStatus.Read;
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}
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