50 lines
1.5 KiB
TypeScript
50 lines
1.5 KiB
TypeScript
import { createSelector } from '@reduxjs/toolkit';
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import { compareId } from 'mastodon/compare_id';
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import type { RootState } from 'mastodon/store';
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export const selectUnreadNotificationGroupsCount = createSelector(
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[
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(s: RootState) => s.notificationGroups.lastReadId,
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(s: RootState) => s.notificationGroups.pendingGroups,
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(s: RootState) => s.notificationGroups.groups,
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],
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(notificationMarker, pendingGroups, groups) => {
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return (
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groups.filter(
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(group) =>
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group.type !== 'gap' &&
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group.page_max_id &&
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compareId(group.page_max_id, notificationMarker) > 0,
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).length +
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pendingGroups.filter(
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(group) =>
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group.type !== 'gap' &&
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group.page_max_id &&
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compareId(group.page_max_id, notificationMarker) > 0,
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).length
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);
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},
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);
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// Whether there is any unread notification according to the user-facing state
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export const selectAnyPendingNotification = createSelector(
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[
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(s: RootState) => s.notificationGroups.readMarkerId,
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(s: RootState) => s.notificationGroups.groups,
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],
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(notificationMarker, groups) => {
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return groups.some(
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(group) =>
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group.type !== 'gap' &&
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group.page_max_id &&
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compareId(group.page_max_id, notificationMarker) > 0,
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);
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},
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);
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export const selectPendingNotificationGroupsCount = createSelector(
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[(s: RootState) => s.notificationGroups.pendingGroups],
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(pendingGroups) =>
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pendingGroups.filter((group) => group.type !== 'gap').length,
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);
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