Differential D7178 Diff 24156 lib/shared/avatar-utils.js

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lib/shared/avatar-utils.js

// @flow		// @flow

		import invariant from 'invariant';
import stringHash from 'string-hash';		import stringHash from 'string-hash';

import { selectedThreadColors } from './color-utils.js';		import { selectedThreadColors } from './color-utils.js';
		import { threadOtherMembers } from './thread-utils.js';
import type { ClientEmojiAvatar, ClientAvatar } from '../types/avatar-types.js';		import type { ClientEmojiAvatar, ClientAvatar } from '../types/avatar-types.js';
		import {
		type RawThreadInfo,
		type ThreadInfo,
		threadTypes,
		} from '../types/thread-types.js';
		import type { UserInfos } from '../types/user-types.js';

const defaultAnonymousUserEmojiAvatar: ClientEmojiAvatar = {		const defaultAnonymousUserEmojiAvatar: ClientEmojiAvatar = {
color: selectedThreadColors[4],		color: selectedThreadColors[4],
emoji: '👤',		emoji: '👤',
type: 'emoji',		type: 'emoji',
};		};

const defaultEmojiAvatars: $ReadOnlyArray<ClientEmojiAvatar> = [		const defaultEmojiAvatars: $ReadOnlyArray<ClientEmojiAvatar> = [
Show All 37 Lines	): ClientAvatar {

if (!user?.username) {		if (!user?.username) {
return defaultAnonymousUserEmojiAvatar;		return defaultAnonymousUserEmojiAvatar;
}		}

return getDefaultAvatar(user.username);		return getDefaultAvatar(user.username);
}		}

export { getAvatarForUser };		function getUserAvatarForThread(
		threadInfo: RawThreadInfo \| ThreadInfo,
		viewerID: ?string,
		userInfos: UserInfos,
		): ClientAvatar {
		if (threadInfo.type === threadTypes.PRIVATE) {
		invariant(viewerID, 'viewerID should be set for PRIVATE threads');
		return getAvatarForUser(userInfos[viewerID]);
		}

		invariant(
		threadInfo.type === threadTypes.PERSONAL,
		'threadInfo should be a PERSONAL type',
		);

		const memberInfos = threadOtherMembers(threadInfo.members, viewerID)
		.map(member => userInfos[member.id] && userInfos[member.id])
		.filter(Boolean);

		if (memberInfos.length === 0) {
		return defaultAnonymousUserEmojiAvatar;
		}

		return getAvatarForUser(memberInfos[0]);
		}

		export { getAvatarForUser, getUserAvatarForThread };