feat: enable to save/restore configuration

src/components/column/Column.tsx

@@ -4,13 +4,14 @@ import ArrowLeft from 'heroicons/24/outline/arrow-left.svg';
 
 import TimelineContentDisplay from '@/components/timeline/TimelineContentDisplay';
 import { TimelineContext, useTimelineState } from '@/components/timeline/TimelineContext';
+import { ColumnWidth } from '@/core/column';
 import { useHandleCommand } from '@/hooks/useCommandBus';
 import { useTranslation } from '@/i18n/useTranslation';
 
 export type ColumnProps = {
   columnIndex: number;
   lastColumn: boolean;
-  width: 'widest' | 'wide' | 'medium' | 'narrow' | null | undefined;
+  width: ColumnWidth;
   header: JSX.Element;
   children: JSX.Element;
 };

src/components/modal/Config.tsx

@@ -15,7 +15,7 @@ import UserNameDisplay from '@/components/UserDisplayName';
 import LazyLoad from '@/components/utils/LazyLoad';
 import usePopup from '@/components/utils/usePopup';
 import { colorThemes } from '@/core/colorThemes';
-import useConfig, { type Config } from '@/core/useConfig';
+import useConfig, { ConfigSchema, type Config } from '@/core/useConfig';
 import useModalState from '@/hooks/useModalState';
 import { useTranslation } from '@/i18n/useTranslation';
 import usePubkey from '@/nostr/usePubkey';
@@ -83,7 +83,7 @@ const ProfileSection = () => {
   const { showProfile, showProfileEdit } = useModalState();
 
   return (
-    <Section title={i18n.t('config.profile.profile')}>
+    <Section title={i18n.t('config.account.profile')}>
       <div class="flex gap-2 py-1">
         <button
           class="rounded border border-primary px-4 py-1 font-bold text-primary"
@@ -93,19 +93,98 @@ const ProfileSection = () => {
             })
           }
         >
-          {i18n.t('config.profile.openProfile')}
+          {i18n.t('config.account.openProfile')}
         </button>
         <button
           class="rounded border border-primary px-4 py-1 font-bold text-primary"
           onClick={() => showProfileEdit()}
         >
-          {i18n.t('config.profile.editProfile')}
+          {i18n.t('config.account.editProfile')}
         </button>
       </div>
     </Section>
   );
 };
 
+const BackupSection = () => {
+  let fileInputRef: HTMLInputElement | undefined;
+
+  const i18n = useTranslation();
+  const config = useConfig();
+
+  const handleSave = () => {
+    const json = JSON.stringify(config.config(), null, 2);
+    const blob = new Blob([json], { type: 'application/json' });
+    const dataUrl = URL.createObjectURL(blob);
+
+    const datetime = new Date().toISOString();
+    const link = document.createElement('a');
+    link.href = dataUrl;
+    link.download = `rabbit-${datetime}.json`;
+
+    link.click();
+  };
+
+  const handleRestore = () => {
+    if (fileInputRef == null) return;
+    fileInputRef.click();
+  };
+
+  const restore = async (file: File) => {
+    try {
+      const json = await file.text();
+      const validated = ConfigSchema.parse(JSON.parse(json));
+      config.setConfig(validated);
+
+      window.alert(i18n.t('config.account.restored'));
+      window.location.reload();
+    } catch (e) {
+      if (e instanceof Error) {
+        window.alert(`${i18n.t('config.account.failedToRestore')}: ${e.message}`);
+      } else {
+        window.alert(i18n.t('config.account.failedToRestore'));
+      }
+    }
+  };
+
+  const handleChangeFile: JSX.EventHandler<HTMLInputElement, Event> = (ev) => {
+    ev.preventDefault();
+
+    const files = [...(ev.currentTarget.files ?? [])];
+    if (files.length !== 1) return;
+    const file = files[0];
+    restore(file).catch((err) => console.log(err));
+  };
+
+  return (
+    <Section title={i18n.t('config.account.backupConfig')}>
+      <div class="flex gap-2 py-1">
+        <button
+          class="rounded border border-primary px-4 py-1 font-bold text-primary"
+          onClick={handleSave}
+        >
+          {i18n.t('config.account.save')}
+        </button>
+        <button
+          class="rounded border border-primary px-4 py-1 font-bold text-primary"
+          onClick={handleRestore}
+        >
+          {i18n.t('config.account.restore')}
+        </button>
+      </div>
+      <input
+        ref={fileInputRef}
+        type="file"
+        hidden
+        multiple={false}
+        name="config"
+        accept="application/json"
+        onChange={handleChangeFile}
+      />
+    </Section>
+  );
+};
+
 const RelayConfig = () => {
   const i18n = useTranslation();
   const { config, addRelay, removeRelay } = useConfig();
@@ -639,9 +718,14 @@ const ConfigUI = (props: ConfigProps) => {
 
   const menu = [
     {
-      name: () => i18n.t('config.profile.profile'),
+      name: () => i18n.t('config.account.profile'),
       icon: () => <User />,
-      render: () => <ProfileSection />,
+      render: () => (
+        <>
+          <ProfileSection />
+          <BackupSection />
+        </>
+      ),
     },
     {
       name: () => i18n.t('config.relays.relays'),

src/core/column.ts

@@ -1,8 +1,6 @@
-// import { z } from 'zod';
-import { type Filter } from 'nostr-tools/filter';
+import { z } from 'zod';
 
-import { type ColumnProps } from '@/components/column/Column';
-import { ContentFilter } from '@/core/contentFilter';
+import { ContentFilterSchema } from '@/core/contentFilter';
 import { relaysForJapaneseTL } from '@/core/relayUrls';
 import generateId from '@/utils/generateId';
 
@@ -41,80 +39,100 @@ export type NotificationFilterOptions = {
 //  */
 // export const buildFilter = (options: BuildOptions) => {};
 
-export type BaseColumn = {
-  id: string;
-  name?: string;
-  width: ColumnProps['width'];
-  contentFilter?: ContentFilter;
-};
+export const ColumnWidthSchema = z.union([
+  z.literal('widest'),
+  z.literal('wide'),
+  z.literal('medium'),
+  z.literal('narrow'),
+]);
+
+export type ColumnWidth = z.infer<typeof ColumnWidthSchema>;
+
+export const BaseColumnSchema = z.object({
+  id: z.string(),
+  name: z.string().optional(),
+  width: ColumnWidthSchema,
+  contentFilter: z.optional(ContentFilterSchema),
+});
+
+export type BaseColumn = z.infer<typeof BaseColumnSchema>;
 
 /** A column which shows posts by following users */
-export type FollowingColumnType = BaseColumn & {
-  columnType: 'Following';
-  pubkey: string;
-};
+export const FollowingColumnSchema = BaseColumnSchema.extend({
+  columnType: z.literal('Following'),
+  pubkey: z.string(),
+});
+export type FollowingColumnType = z.infer<typeof FollowingColumnSchema>;
 
 /** A column which shows replies, reactions, reposts to the specific user */
-export type NotificationColumnType = BaseColumn & {
-  columnType: 'Notification';
-  // notificationTypes: NotificationType[];
-  pubkey: string;
-};
+export const NotificationColumnSchema = BaseColumnSchema.extend({
+  columnType: z.literal('Notification'),
+  pubkey: z.string(),
+  // notificationTypes: z.array(NotificationTypeSchema),
+});
+export type NotificationColumnType = z.infer<typeof NotificationColumnSchema>;
 
 /** A column which shows posts from the specific user */
-export type PostsColumnType = BaseColumn & {
-  columnType: 'Posts';
-  pubkey: string;
-};
+export const PostsColumnSchema = BaseColumnSchema.extend({
+  columnType: z.literal('Posts'),
+  pubkey: z.string(),
+});
+export type PostsColumnType = z.infer<typeof PostsColumnSchema>;
 
 /** A column which shows reactions published by the specific user */
-export type ReactionsColumnType = BaseColumn & {
-  columnType: 'Reactions';
-  pubkey: string;
-};
+export const ReactionsColumnSchema = BaseColumnSchema.extend({
+  columnType: z.literal('Reactions'),
+  pubkey: z.string(),
+});
+export type ReactionsColumnType = z.infer<typeof ReactionsColumnSchema>;
 
-/** A column which shows reactions published by the specific user */
-export type ChannelColumnType = BaseColumn & {
-  columnType: 'Channel';
-  rootEventId: string;
-};
+/** A column which shows posts published on the specific channel */
+export const ChannelColumnSchema = BaseColumnSchema.extend({
+  columnType: z.literal('Channel'),
+  rootEventId: z.string(),
+});
+export type ChannelColumnType = z.infer<typeof ChannelColumnSchema>;
 
 /** A column which shows text notes and reposts posted to the specific relays */
-export type RelaysColumnType = BaseColumn & {
-  columnType: 'Relays';
-  relayUrls: string[];
-};
+export const RelaysColumnSchema = BaseColumnSchema.extend({
+  columnType: z.literal('Relays'),
+  relayUrls: z.array(z.string()),
+});
+export type RelaysColumnType = z.infer<typeof RelaysColumnSchema>;
 
 /** A column which search text notes from relays which support NIP-50 */
-export type SearchColumnType = BaseColumn & {
-  columnType: 'Search';
-  query: string;
-};
+export const SearchColumnSchema = BaseColumnSchema.extend({
+  columnType: z.literal('Search'),
+  query: z.string(),
+});
+export type SearchColumnType = z.infer<typeof SearchColumnSchema>;
 
 /** A column which shows events in the bookmark */
-export type BookmarkColumnType = BaseColumn & {
-  columnType: 'Bookmark';
-  pubkey: string;
-  identifier: string;
-};
+export const BookmarkColumnSchema = BaseColumnSchema.extend({
+  columnType: z.literal('Bookmark'),
+  pubkey: z.string(),
+  identifier: z.string(),
+});
+export type BookmarkColumnType = z.infer<typeof BookmarkColumnSchema>;
 
-/** A column which shows text notes and reposts posted to the specific relays */
-export type CustomFilterColumnType = BaseColumn & {
-  columnType: 'CustomFilter';
-  filters: Filter[];
-};
+// /** A column which shows text notes and reposts posted to the specific relays */
+// const CustomFilterColumnSchema = BaseColumnSchema.extend({
+//   columnType: z.literal('CustomFilter'),
+//   filters: z.array(z.any()), // Replace `z.any()` with the appropriate Zod schema if `Filter` is known
+// });
 
-export type ColumnType =
-  | FollowingColumnType
-  | NotificationColumnType
-  | PostsColumnType
-  | ReactionsColumnType
-  | ChannelColumnType
-  | RelaysColumnType
-  | SearchColumnType
-  | BookmarkColumnType;
-/* WIP: */
-/* | CustomFilterColumnType */
+export const ColumnTypeSchema = z.union([
+  FollowingColumnSchema,
+  NotificationColumnSchema,
+  PostsColumnSchema,
+  ReactionsColumnSchema,
+  ChannelColumnSchema,
+  RelaysColumnSchema,
+  SearchColumnSchema,
+  BookmarkColumnSchema,
+]);
+
+export type ColumnType = z.infer<typeof ColumnTypeSchema>;
 
 type CreateParams<T extends BaseColumn> = Omit<T, keyof BaseColumn | 'columnType'> &
   Partial<BaseColumn>;

src/core/contentFilter.ts

@@ -1,3 +1,5 @@
+import { z } from 'zod';
+
 /**
  * Content filter is a text which expresses the filter.
  *
@@ -19,6 +21,7 @@
  *     Case-sensitive
  *     "Hello World"
  */
+
 export type ContentFilterAnd = { filterType: 'AND'; children: ContentFilter[] };
 export type ContentFilterOr = { filterType: 'OR'; children: ContentFilter[] };
 export type ContentFilterNot = { filterType: 'NOT'; child: ContentFilter };
@@ -32,6 +35,55 @@ export type ContentFilter =
   | ContentFilterTextInclude
   | ContentFilterRegex;
 
+export const ContentFilterAndSchema = z.object({
+  filterType: z.literal('AND'),
+  // eslint-disable-next-line @typescript-eslint/no-use-before-define
+  children: z.array(z.lazy(() => ContentFilterSchema)),
+});
+
+export const ContentFilterOrSchema = z.object({
+  filterType: z.literal('OR'),
+  // eslint-disable-next-line @typescript-eslint/no-use-before-define
+  children: z.array(z.lazy(() => ContentFilterSchema)),
+});
+
+export const ContentFilterNotSchema = z.object({
+  filterType: z.literal('NOT'),
+  // eslint-disable-next-line @typescript-eslint/no-use-before-define
+  child: z.lazy(() => ContentFilterSchema),
+});
+
+export const ContentFilterTextIncludeSchema = z.object({
+  filterType: z.literal('Text'),
+  text: z.string(),
+});
+
+export const ContentFilterRegexSchema = z
+  .object({
+    filterType: z.literal('Regex'),
+    regex: z.string(),
+    flag: z.string(),
+  })
+  .refine(({ regex, flag }) => {
+    try {
+      /* eslint-disable-next-line no-new */
+      new RegExp(regex, flag);
+      return true;
+    } catch {
+      return false;
+    }
+  });
+
+// 再帰的型定義を用いる場合、Zodでは型情報を提供しなければならない。
+// https://github.com/colinhacks/zod#recursive-types
+export const ContentFilterSchema: z.ZodSchema<ContentFilter> = z.union([
+  ContentFilterAndSchema,
+  ContentFilterOrSchema,
+  ContentFilterNotSchema,
+  ContentFilterTextIncludeSchema,
+  ContentFilterRegexSchema,
+]);
+
 export const applyContentFilter =
   (filter: ContentFilter) =>
   (content: string): boolean => {

src/core/useConfig.ts

@@ -4,10 +4,12 @@ import sortBy from 'lodash/sortBy';
 import uniq from 'lodash/uniq';
 import * as Kind from 'nostr-tools/kinds';
 import { type Event as NostrEvent } from 'nostr-tools/pure';
+import { z } from 'zod';
 
 import { colorThemes, type ColorTheme } from '@/core/colorThemes';
 import {
   ColumnType,
+  ColumnTypeSchema,
   createFollowingColumn,
   createJapanRelaysColumn,
   createNotificationColumn,
@@ -23,35 +25,45 @@ import { useTranslation } from '@/i18n/useTranslation';
 import { genericEvent } from '@/nostr/event';
 import { asCaseInsensitive, wordsRegex } from '@/utils/regex';
 
-export type CustomEmojiConfig = {
-  shortcode: string;
-  url: string;
-};
+const CustomEmojiConfigSchema = z.object({
+  shortcode: z.string(),
+  url: z.string(),
+});
 
-export type ColorThemeConfig = {
-  type: 'specific';
-  id: string;
-};
+export type CustomEmojiConfig = z.infer<typeof CustomEmojiConfigSchema>;
 
-export type Config = {
-  relayUrls: string[];
-  columns: ColumnType[];
-  customEmojis: Record<string, CustomEmojiConfig>;
-  colorTheme: ColorThemeConfig;
-  dateFormat: 'relative' | 'absolute-long' | 'absolute-short';
-  keepOpenPostForm: boolean;
-  useEmojiReaction: boolean;
-  showEmojiReaction: boolean;
-  showMedia: boolean; // TODO 'always' | 'only-followings' | 'never'
-  embedding: {
-    twitter: boolean;
-    youtube: boolean;
-    ogp: boolean;
-  };
-  hideCount: boolean;
-  mutedPubkeys: string[];
-  mutedKeywords: string[];
-};
+const ColorThemeConfigSchema = z.object({
+  type: z.literal('specific'),
+  id: z.string(),
+});
+
+export type ColorThemeConfig = z.infer<typeof ColorThemeConfigSchema>;
+
+export const ConfigSchema = z.object({
+  relayUrls: z.array(z.string()),
+  columns: z.array(ColumnTypeSchema),
+  customEmojis: z.record(CustomEmojiConfigSchema),
+  colorTheme: ColorThemeConfigSchema,
+  dateFormat: z.union([
+    z.literal('relative'),
+    z.literal('absolute-long'),
+    z.literal('absolute-short'),
+  ]),
+  keepOpenPostForm: z.boolean(),
+  useEmojiReaction: z.boolean(),
+  showEmojiReaction: z.boolean(),
+  showMedia: z.boolean(), // TODO 'always' | 'only-followings' | 'never'に変更
+  embedding: z.object({
+    twitter: z.boolean(),
+    youtube: z.boolean(),
+    ogp: z.boolean(),
+  }),
+  hideCount: z.boolean(),
+  mutedPubkeys: z.array(z.string()),
+  mutedKeywords: z.array(z.string()),
+});
+
+export type Config = z.infer<typeof ConfigSchema>;
 
 type UseConfig = {
   config: Accessor<Config>;

src/locales/en.ts

@@ -159,10 +159,15 @@ export default {
     confirmImport: 'Import? (The config will be overwritten)',
     copyToClipboard: 'Copy to clipboard',
     importFromClipboard: 'Import from clipboard',
-    profile: {
+    account: {
       profile: 'Profile',
       openProfile: 'Open',
       editProfile: 'Edit',
+      backupConfig: 'Backup configuration',
+      save: 'Save',
+      restore: 'Restore',
+      restored: 'Successfully restored.',
+      failedToRestore: 'Failed to restore',
     },
     relays: {
       relays: 'Relays',

src/locales/ja.ts

@@ -155,10 +155,15 @@ export default {
     confirmImport: 'インポートしますか？（現在の設定は上書きされます）',
     copyToClipboard: 'クリップボードに設定をコピー',
     importFromClipboard: '設定をクリップボードから読み込む',
-    profile: {
+    account: {
       profile: 'プロフィール',
       openProfile: '開く',
       editProfile: '編集',
+      backupConfig: '設定のバックアップ',
+      save: '保存',
+      restore: '復元',
+      restored: '復元しました',
+      failedToRestore: '復元に失敗しました',
     },
     relays: {
       relays: 'リレー',