fix inconsistent following feed filters on mobile

packages/frontend/src/scripts/following-feed-utils.ts

@@ -0,0 +1,113 @@
+import { computed } from 'vue';
+import { defaultStore } from '@/store.js';
+import { deepMerge } from '@/scripts/merge.js';
+import { PageHeaderItem } from '@/types/page-header.js';
+import { i18n } from '@/i18n.js';
+import { popupMenu } from '@/os.js';
+
+export const followingTab = 'following' as const;
+export const mutualsTab = 'mutuals' as const;
+export const followersTab = 'followers' as const;
+export type FollowingFeedTab = typeof followingTab | typeof mutualsTab | typeof followersTab;
+
+export function createOptions(): PageHeaderItem {
+	const {
+		userList,
+		withNonPublic,
+		withQuotes,
+		withBots,
+		withReplies,
+		onlyFiles,
+	} = createModel();
+
+	return {
+		icon: 'ti ti-dots',
+		text: i18n.ts.options,
+		handler: ev =>
+			popupMenu([
+				{
+					type: 'switch',
+					text: i18n.ts.showNonPublicNotes,
+					ref: withNonPublic,
+					disabled: userList.value === 'followers',
+				},
+				{
+					type: 'switch',
+					text: i18n.ts.showQuotes,
+					ref: withQuotes,
+				},
+				{
+					type: 'switch',
+					text: i18n.ts.showBots,
+					ref: withBots,
+				},
+				{
+					type: 'switch',
+					text: i18n.ts.showReplies,
+					ref: withReplies,
+					disabled: onlyFiles,
+				},
+				{
+					type: 'divider',
+				},
+				{
+					type: 'switch',
+					text: i18n.ts.fileAttachedOnly,
+					ref: onlyFiles,
+					disabled: withReplies,
+				},
+			], ev.currentTarget ?? ev.target),
+	};
+}
+
+export function createModel() {
+	const userList = computed({
+		get: () => defaultStore.reactiveState.followingFeed.value.userList,
+		set: value => saveFollowingFilter('userList', value),
+	});
+
+	const withNonPublic = computed({
+		get: () => {
+			if (userList.value === 'followers') return false;
+			return defaultStore.reactiveState.followingFeed.value.withNonPublic;
+		},
+		set: value => saveFollowingFilter('withNonPublic', value),
+	});
+	const withQuotes = computed({
+		get: () => defaultStore.reactiveState.followingFeed.value.withQuotes,
+		set: value => saveFollowingFilter('withQuotes', value),
+	});
+	const withBots = computed({
+		get: () => defaultStore.reactiveState.followingFeed.value.withBots,
+		set: value => saveFollowingFilter('withBots', value),
+	});
+	const withReplies = computed({
+		get: () => defaultStore.reactiveState.followingFeed.value.withReplies,
+		set: value => saveFollowingFilter('withReplies', value),
+	});
+	const onlyFiles = computed({
+		get: () => defaultStore.reactiveState.followingFeed.value.onlyFiles,
+		set: value => saveFollowingFilter('onlyFiles', value),
+	});
+
+	const remoteWarningDismissed = computed({
+		get: () => defaultStore.reactiveState.followingFeed.value.remoteWarningDismissed,
+		set: value => saveFollowingFilter('remoteWarningDismissed', value),
+	});
+
+	return {
+		userList,
+		withNonPublic,
+		withQuotes,
+		withBots,
+		withReplies,
+		onlyFiles,
+		remoteWarningDismissed,
+	};
+}
+
+// Based on timeline.saveTlFilter()
+function saveFollowingFilter<Key extends keyof typeof defaultStore.state.followingFeed>(key: Key, value: (typeof defaultStore.state.followingFeed)[Key]) {
+	const out = deepMerge({ [key]: value }, defaultStore.state.followingFeed);
+	return defaultStore.set('followingFeed', out);
+}