Fun picker improvements

ts/components/fun/constants.tsx

@@ -0,0 +1,62 @@
+// Copyright 2025 Signal Messenger, LLC
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import { EmojiPickerCategory } from './data/emojis';
+import type { StickerPackType } from '../../state/ducks/stickers';
+
+export enum FunPickerTabKey {
+  Emoji = 'Emoji',
+  Stickers = 'Stickers',
+  Gifs = 'Gifs',
+}
+
+export enum FunGifsCategory {
+  Trending = 'Trending',
+  Celebrate = 'Celebrate',
+  Love = 'Love',
+  ThumbsUp = 'ThumbsUp',
+  Surprised = 'Surprised',
+  Excited = 'Excited',
+  Sad = 'Sad',
+  Angry = 'Angry',
+}
+
+export enum FunSectionCommon {
+  SearchResults = 'SearchResults',
+  Recents = 'Recents',
+}
+
+export enum FunStickersSectionBase {
+  StickersSetup = 'StickersSetup',
+}
+
+export type FunStickersPackSection = `StickerPack:${string}` & {
+  FunStickersPackSection: never;
+};
+
+export function toFunStickersPackSection(
+  pack: StickerPackType
+): FunStickersPackSection {
+  return `StickerPack:${pack.id}` as FunStickersPackSection;
+}
+
+export type FunEmojisSection = FunSectionCommon | EmojiPickerCategory;
+export type FunStickersSection =
+  | FunSectionCommon
+  | FunStickersSectionBase
+  | FunStickersPackSection;
+export type FunGifsSection = FunSectionCommon | FunGifsCategory;
+
+export const FunEmojisSectionOrder: ReadonlyArray<
+  FunSectionCommon.Recents | EmojiPickerCategory
+> = [
+  FunSectionCommon.Recents,
+  EmojiPickerCategory.SmileysAndPeople,
+  EmojiPickerCategory.AnimalsAndNature,
+  EmojiPickerCategory.FoodAndDrink,
+  EmojiPickerCategory.Activities,
+  EmojiPickerCategory.TravelAndPlaces,
+  EmojiPickerCategory.Objects,
+  EmojiPickerCategory.Symbols,
+  EmojiPickerCategory.Flags,
+];