Minor tweaks

app/containers/markdown/index.tsx

@@ -25,7 +25,7 @@ import { isValidURL } from '../../utils/url';
 import NewMarkdown from './new';
 
 interface IMarkdownProps {
-	msg: string;
+	msg?: string;
 	md: MarkdownAST;
 	mentions: UserMention[];
 	getCustomEmoji: Function;

app/views/DiscussionsView/Item.tsx

@@ -71,21 +71,21 @@ const Item = ({ item, baseUrl, onPress }: IItem): JSX.Element => {
 		<Touchable
 			onPress={() => onPress(item)}
 			testID={`discussions-view-${item.msg}`}
-			style={{ backgroundColor: themes[theme!].backgroundColor }}>
+			style={{ backgroundColor: themes[theme].backgroundColor }}>
 			<View style={styles.container}>
 				<Avatar style={styles.avatar} text={item?.u?.username} size={36} borderRadius={4} theme={theme} />
 				<View style={styles.contentContainer}>
 					<View style={styles.titleContainer}>
-						<Text style={[styles.title, { color: themes[theme!].titleText }]} numberOfLines={1}>
+						<Text style={[styles.title, { color: themes[theme].titleText }]} numberOfLines={1}>
 							{username}
 						</Text>
-						<Text style={[styles.time, { color: themes[theme!].auxiliaryText }]}>{messageTime!}</Text>
+						{messageTime ? <Text style={[styles.time, { color: themes[theme].auxiliaryText }]}>{messageTime}</Text> : null}
 					</View>
 					<View style={styles.messageContainer}>
-						{makeThreadName(item) && item && username ? (
+						{username ? (
 							/* @ts-ignore */
 							<Markdown
-								msg={makeThreadName(item)!}
+								msg={makeThreadName(item)}
 								baseUrl={baseUrl}
 								username={username}
 								theme={theme}

app/views/ThreadMessagesView/Item.tsx

@@ -89,16 +89,18 @@ const Item = ({ item, baseUrl, useRealName, user, badgeColor, onPress, toggleFol
 						<Text style={[styles.time, { color: themes[theme!].auxiliaryText }]}>{time}</Text>
 					</View>
 					<View style={styles.messageContainer}>
-						<Markdown
-							// @ts-ignore
-							msg={makeThreadName(item)}
-							baseUrl={baseUrl}
-							username={username!}
-							theme={theme!}
-							numberOfLines={2}
-							style={[styles.markdown]}
-							preview
-						/>
+						{makeThreadName(item) && username ? (
+							/* @ts-ignore */
+							<Markdown
+								msg={makeThreadName(item)}
+								baseUrl={baseUrl}
+								username={username}
+								theme={theme}
+								numberOfLines={2}
+								style={[styles.markdown]}
+								preview
+							/>
+						) : null}
 						{badgeColor ? <View style={[styles.badge, { backgroundColor: badgeColor }]} /> : null}
 					</View>
 					<ThreadDetails item={item} user={user} toggleFollowThread={toggleFollowThread} style={styles.threadDetails} />