Use Immutable Record for accounts in Redux state (#26559)

app/javascript/mastodon/models/account.ts

@@ -0,0 +1,149 @@
+import type { RecordOf } from 'immutable';
+import { List, Record as ImmutableRecord } from 'immutable';
+
+import escapeTextContentForBrowser from 'escape-html';
+
+import type {
+  ApiAccountFieldJSON,
+  ApiAccountRoleJSON,
+  ApiAccountJSON,
+} from 'mastodon/api_types/accounts';
+import type { ApiCustomEmojiJSON } from 'mastodon/api_types/custom_emoji';
+import emojify from 'mastodon/features/emoji/emoji';
+import { unescapeHTML } from 'mastodon/utils/html';
+
+import { CustomEmojiFactory } from './custom_emoji';
+import type { CustomEmoji } from './custom_emoji';
+
+// AccountField
+interface AccountFieldShape extends Required<ApiAccountFieldJSON> {
+  name_emojified: string;
+  value_emojified: string;
+  value_plain: string | null;
+}
+
+type AccountField = RecordOf<AccountFieldShape>;
+
+const AccountFieldFactory = ImmutableRecord<AccountFieldShape>({
+  name: '',
+  value: '',
+  verified_at: null,
+  name_emojified: '',
+  value_emojified: '',
+  value_plain: null,
+});
+
+// AccountRole
+export type AccountRoleShape = ApiAccountRoleJSON;
+export type AccountRole = RecordOf<AccountRoleShape>;
+
+const AccountRoleFactory = ImmutableRecord<AccountRoleShape>({
+  color: '',
+  id: '',
+  name: '',
+});
+
+// Account
+export interface AccountShape
+  extends Required<
+    Omit<ApiAccountJSON, 'emojis' | 'fields' | 'roles' | 'moved'>
+  > {
+  emojis: List<CustomEmoji>;
+  fields: List<AccountField>;
+  roles: List<AccountRole>;
+  display_name_html: string;
+  note_emojified: string;
+  note_plain: string | null;
+  hidden: boolean;
+  moved: string | null;
+}
+
+export type Account = RecordOf<AccountShape>;
+
+export const accountDefaultValues: AccountShape = {
+  acct: '',
+  avatar: '',
+  avatar_static: '',
+  bot: false,
+  created_at: '',
+  discoverable: false,
+  display_name: '',
+  display_name_html: '',
+  emojis: List<CustomEmoji>(),
+  fields: List<AccountField>(),
+  group: false,
+  header: '',
+  header_static: '',
+  id: '',
+  last_status_at: '',
+  locked: false,
+  noindex: false,
+  note: '',
+  note_emojified: '',
+  note_plain: 'string',
+  roles: List<AccountRole>(),
+  uri: '',
+  url: '',
+  username: '',
+  followers_count: 0,
+  following_count: 0,
+  statuses_count: 0,
+  hidden: false,
+  suspended: false,
+  memorial: false,
+  limited: false,
+  moved: null,
+};
+
+const AccountFactory = ImmutableRecord<AccountShape>(accountDefaultValues);
+
+type EmojiMap = Record<string, ApiCustomEmojiJSON>;
+
+function makeEmojiMap(emojis: ApiCustomEmojiJSON[]) {
+  return emojis.reduce<EmojiMap>((obj, emoji) => {
+    obj[`:${emoji.shortcode}:`] = emoji;
+    return obj;
+  }, {});
+}
+
+function createAccountField(
+  jsonField: ApiAccountFieldJSON,
+  emojiMap: EmojiMap,
+) {
+  return AccountFieldFactory({
+    ...jsonField,
+    name_emojified: emojify(
+      escapeTextContentForBrowser(jsonField.name),
+      emojiMap,
+    ),
+    value_emojified: emojify(jsonField.value, emojiMap),
+    value_plain: unescapeHTML(jsonField.value),
+  });
+}
+
+export function createAccountFromServerJSON(serverJSON: ApiAccountJSON) {
+  const { moved, ...accountJSON } = serverJSON;
+
+  const emojiMap = makeEmojiMap(accountJSON.emojis);
+
+  const displayName =
+    accountJSON.display_name.trim().length === 0
+      ? accountJSON.username
+      : accountJSON.display_name;
+
+  return AccountFactory({
+    ...accountJSON,
+    moved: moved?.id,
+    fields: List(
+      serverJSON.fields.map((field) => createAccountField(field, emojiMap)),
+    ),
+    emojis: List(serverJSON.emojis.map((emoji) => CustomEmojiFactory(emoji))),
+    roles: List(serverJSON.roles?.map((role) => AccountRoleFactory(role))),
+    display_name_html: emojify(
+      escapeTextContentForBrowser(displayName),
+      emojiMap,
+    ),
+    note_emojified: emojify(accountJSON.note, emojiMap),
+    note_plain: unescapeHTML(accountJSON.note),
+  });
+}