signal-desktop/ts/state/selectors/linkPreviews.ts
2021-06-30 10:00:02 -07:00

27 lines
669 B
TypeScript

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { createSelector } from 'reselect';
import { assert } from '../../util/assert';
import { getDomain } from '../../types/LinkPreview';
import { StateType } from '../reducer';
export const getLinkPreview = createSelector(
({ linkPreviews }: StateType) => linkPreviews.linkPreview,
linkPreview => {
if (linkPreview) {
const domain = getDomain(linkPreview.url);
assert(domain !== undefined, "Domain of linkPreview can't be undefined");
return {
...linkPreview,
domain,
isLoaded: true,
};
}
return undefined;
}
);