[NEW] Support new message parser (#3313)

* Add message parser to profile view and db

* Add md to db

* Remove changes to Xcode project

* Remove message-parser lib and add enable message parser field to User model

* Fix message parser

* Remove admin enableMessageParserEarlyAdoption

* Add NewMarkdown component

* Remove NewMarkdown component and add specific components for new message parser

* Add new parser components

* Fix BigEmoji

* Updated components and added more Code components

* update components and add storybooks

* Update Code component and add it to storybooks

* Update Mention component

* Minor tweaks

* Add server message parser validation

* Renamed folder, add @rocket.chat/message-parser, migrate some files to TypeScript

* Migrate components to TypeScript and fix styling

* Change interfaces and add TaskListComponent and styles

* Fix new markdown and styles

* Fix inlinecode

* Stop using server setting

* Use enableMessageParserEarlyAdoption on mapStateToProps

* Remove React.FC

* add link to bold, italic and strike

* Update parser components

* Fix missing components

* Minor tweak

* Fix lint and add getCustomEmojis

* Fix customEmojis

* Update emojis

* Minor tweak

* disconnect markdown from store

* Use @rocket.chat/message-parser@0.30.0

* Fix link style

* Unify lists and styles

* Remove style prop

* Use big emoji as a normal token

* Remove unnecessary memo

* Fix code styles

* Update tests

* Conditionally create renderer

* Use Context instead of prop drill

* Fix Link component

* Fix plain text regression and update tests

Co-authored-by: Diego Mello <diegolmello@gmail.com>

app/containers/markdown/AtMention.tsx

@@ -1,6 +1,7 @@
 import React from 'react';
 import { Text } from 'react-native';
 
+import { useTheme } from '../../theme';
 import { themes } from '../../constants/colors';
 import styles from './styles';
 import { events, logEvent } from '../../utils/log';
@@ -9,20 +10,20 @@ interface IAtMention {
 	mention: string;
 	username: string;
 	navToRoomInfo: Function;
-	style: any;
+	style?: any;
 	useRealName: boolean;
-	theme: string;
 	mentions: any;
 }
 
-const AtMention = React.memo(({ mention, mentions, username, navToRoomInfo, style = [], useRealName, theme }: IAtMention) => {
+const AtMention = React.memo(({ mention, mentions, username, navToRoomInfo, style = [], useRealName }: IAtMention) => {
+	const { theme } = useTheme();
 	if (mention === 'all' || mention === 'here') {
 		return (
 			<Text
 				style={[
 					styles.mention,
 					{
-						color: themes[theme].mentionGroupColor
+						color: themes[theme!].mentionGroupColor
 					},
 					...style
 				]}>
@@ -34,11 +35,11 @@ const AtMention = React.memo(({ mention, mentions, username, navToRoomInfo, styl
 	let mentionStyle = {};
 	if (mention === username) {
 		mentionStyle = {
-			color: themes[theme].mentionMeColor
+			color: themes[theme!].mentionMeColor
 		};
 	} else {
 		mentionStyle = {
-			color: themes[theme].mentionOtherColor
+			color: themes[theme!].mentionOtherColor
 		};
 	}
 
@@ -61,7 +62,7 @@ const AtMention = React.memo(({ mention, mentions, username, navToRoomInfo, styl
 		);
 	}
 
-	return <Text style={[styles.text, { color: themes[theme].bodyText }, ...style]}>{`@${mention}`}</Text>;
+	return <Text style={[styles.text, { color: themes[theme!].bodyText }, ...style]}>{`@${mention}`}</Text>;
 });
 
 export default AtMention;

app/containers/markdown/Hashtag.tsx

@@ -1,23 +1,26 @@
 import React from 'react';
-import { Text } from 'react-native';
+import { Text, TextStyle } from 'react-native';
 
 import { themes } from '../../constants/colors';
+import { useTheme } from '../../theme';
 import styles from './styles';
 
 interface IHashtag {
 	hashtag: string;
 	navToRoomInfo: Function;
-	style: [];
-	theme: string;
+	style?: TextStyle[];
 	channels: {
+		[index: number]: string | number;
 		name: string;
 		_id: number;
 	}[];
 }
 
-const Hashtag = React.memo(({ hashtag, channels, navToRoomInfo, style = [], theme }: IHashtag) => {
+const Hashtag = React.memo(({ hashtag, channels, navToRoomInfo, style = [] }: IHashtag) => {
+	const { theme } = useTheme();
+
 	const handlePress = () => {
-		const index = channels.findIndex(channel => channel.name === hashtag);
+		const index = channels?.findIndex(channel => channel.name === hashtag);
 		const navParam = {
 			t: 'c',
 			rid: channels[index]._id
@@ -31,7 +34,7 @@ const Hashtag = React.memo(({ hashtag, channels, navToRoomInfo, style = [], them
 				style={[
 					styles.mention,
 					{
-						color: themes[theme].mentionOtherColor
+						color: themes[theme!].mentionOtherColor
 					},
 					...style
 				]}
@@ -40,7 +43,7 @@ const Hashtag = React.memo(({ hashtag, channels, navToRoomInfo, style = [], them
 			</Text>
 		);
 	}
-	return <Text style={[styles.text, { color: themes[theme].bodyText }, ...style]}>{`#${hashtag}`}</Text>;
+	return <Text style={[styles.text, { color: themes[theme!].bodyText }, ...style]}>{`#${hashtag}`}</Text>;
 });
 
 export default Hashtag;

app/containers/markdown/index.tsx

@@ -3,6 +3,7 @@ import { Image, Text } from 'react-native';
 import { Node, Parser } from 'commonmark';
 import Renderer from 'commonmark-react-renderer';
 import removeMarkdown from 'remove-markdown';
+import { MarkdownAST } from '@rocket.chat/message-parser';
 
 import shortnameToUnicode from '../../utils/shortnameToUnicode';
 import I18n from '../../i18n';
@@ -20,9 +21,20 @@ import MarkdownTableCell from './TableCell';
 import mergeTextNodes from './mergeTextNodes';
 import styles from './styles';
 import { isValidURL } from '../../utils/url';
+import NewMarkdown from './new';
+
+interface IUser {
+	_id: string;
+	username: string;
+	name: string;
+}
+
+type UserMention = Pick<IUser, '_id' | 'username' | 'name'>;
 
 interface IMarkdownProps {
 	msg: string;
+	md: MarkdownAST;
+	mentions: UserMention[];
 	getCustomEmoji: Function;
 	baseUrl: string;
 	username: string;
@@ -35,7 +47,7 @@ interface IMarkdownProps {
 		name: string;
 		_id: number;
 	}[];
-	mentions: object[];
+	enableMessageParser: boolean;
 	navToRoomInfo: Function;
 	preview: boolean;
 	theme: string;
@@ -97,7 +109,9 @@ class Markdown extends PureComponent<IMarkdownProps, any> {
 
 	constructor(props: IMarkdownProps) {
 		super(props);
-		this.renderer = this.createRenderer();
+		if (!this.isNewMarkdown) {
+			this.renderer = this.createRenderer();
+		}
 	}
 
 	createRenderer = () =>
@@ -139,6 +153,11 @@ class Markdown extends PureComponent<IMarkdownProps, any> {
 			renderParagraphsInLists: true
 		});
 
+	get isNewMarkdown(): boolean {
+		const { md, enableMessageParser } = this.props;
+		return enableMessageParser && !!md;
+	}
+
 	editedMessage = (ast: any) => {
 		const { isEdited } = this.props;
 		if (isEdited) {
@@ -227,12 +246,12 @@ class Markdown extends PureComponent<IMarkdownProps, any> {
 	};
 
 	renderHashtag = ({ hashtag }: { hashtag: string }) => {
-		const { channels, navToRoomInfo, style, theme } = this.props;
-		return <MarkdownHashtag hashtag={hashtag} channels={channels} navToRoomInfo={navToRoomInfo} theme={theme} style={style} />;
+		const { channels, navToRoomInfo, style } = this.props;
+		return <MarkdownHashtag hashtag={hashtag} channels={channels} navToRoomInfo={navToRoomInfo} style={style} />;
 	};
 
 	renderAtMention = ({ mentionName }: { mentionName: string }) => {
-		const { username, mentions, navToRoomInfo, useRealName, style, theme } = this.props;
+		const { username, mentions, navToRoomInfo, useRealName, style } = this.props;
 		return (
 			<MarkdownAtMention
 				mentions={mentions}
@@ -240,7 +259,6 @@ class Markdown extends PureComponent<IMarkdownProps, any> {
 				useRealName={useRealName}
 				username={username}
 				navToRoomInfo={navToRoomInfo}
-				theme={theme}
 				style={style}
 			/>
 		);
@@ -329,12 +347,44 @@ class Markdown extends PureComponent<IMarkdownProps, any> {
 	};
 
 	render() {
-		const { msg, numberOfLines, preview = false, theme, style = [], testID } = this.props;
+		const {
+			msg,
+			md,
+			numberOfLines,
+			preview = false,
+			theme,
+			style = [],
+			testID,
+			mentions,
+			channels,
+			navToRoomInfo,
+			useRealName,
+			username,
+			getCustomEmoji,
+			baseUrl,
+			onLinkPress
+		} = this.props;
 
 		if (!msg) {
 			return null;
 		}
 
+		if (this.isNewMarkdown) {
+			return (
+				<NewMarkdown
+					username={username}
+					baseUrl={baseUrl}
+					getCustomEmoji={getCustomEmoji}
+					useRealName={useRealName}
+					tokens={md}
+					mentions={mentions}
+					channels={channels}
+					navToRoomInfo={navToRoomInfo}
+					onLinkPress={onLinkPress}
+				/>
+			);
+		}
+
 		let m = formatText(msg);
 
 		// Ex: '[ ](https://open.rocket.chat/group/test?msg=abcdef)  Test'

app/containers/markdown/new/BigEmoji.tsx

@@ -0,0 +1,25 @@
+import React from 'react';
+import { StyleSheet, View } from 'react-native';
+import { BigEmoji as BigEmojiProps } from '@rocket.chat/message-parser';
+
+import Emoji from './Emoji';
+
+interface IBigEmojiProps {
+	value: BigEmojiProps['value'];
+}
+
+const styles = StyleSheet.create({
+	container: {
+		flexDirection: 'row'
+	}
+});
+
+const BigEmoji = ({ value }: IBigEmojiProps): JSX.Element => (
+	<View style={styles.container}>
+		{value.map(block => (
+			<Emoji value={block.value} isBigEmoji />
+		))}
+	</View>
+);
+
+export default BigEmoji;

app/containers/markdown/new/Bold.tsx

@@ -0,0 +1,40 @@
+import React from 'react';
+import { StyleSheet, Text } from 'react-native';
+import { Bold as BoldProps } from '@rocket.chat/message-parser';
+
+import sharedStyles from '../../../views/Styles';
+import Strike from './Strike';
+import Italic from './Italic';
+import Plain from './Plain';
+import Link from './Link';
+
+interface IBoldProps {
+	value: BoldProps['value'];
+}
+
+const styles = StyleSheet.create({
+	text: {
+		...sharedStyles.textBold
+	}
+});
+
+const Bold = ({ value }: IBoldProps): JSX.Element => (
+	<Text style={styles.text}>
+		{value.map(block => {
+			switch (block.type) {
+				case 'LINK':
+					return <Link value={block.value} />;
+				case 'PLAIN_TEXT':
+					return <Plain value={block.value} />;
+				case 'STRIKE':
+					return <Strike value={block.value} />;
+				case 'ITALIC':
+					return <Italic value={block.value} />;
+				default:
+					return null;
+			}
+		})}
+	</Text>
+);
+
+export default Bold;

app/containers/markdown/new/Code.tsx

@@ -0,0 +1,39 @@
+import React from 'react';
+import { Text } from 'react-native';
+import { Code as CodeProps } from '@rocket.chat/message-parser';
+
+import styles from '../styles';
+import { themes } from '../../../constants/colors';
+import { useTheme } from '../../../theme';
+import CodeLine from './CodeLine';
+
+interface ICodeProps {
+	value: CodeProps['value'];
+}
+
+const Code = ({ value }: ICodeProps): JSX.Element => {
+	const { theme } = useTheme();
+
+	return (
+		<Text
+			style={[
+				styles.codeBlock,
+				{
+					color: themes[theme!].bodyText,
+					backgroundColor: themes[theme!].bannerBackground,
+					borderColor: themes[theme!].borderColor
+				}
+			]}>
+			{value.map(block => {
+				switch (block.type) {
+					case 'CODE_LINE':
+						return <CodeLine value={block.value} />;
+					default:
+						return null;
+				}
+			})}
+		</Text>
+	);
+};
+
+export default Code;

app/containers/markdown/new/CodeLine.tsx

@@ -0,0 +1,17 @@
+import React from 'react';
+import { Text } from 'react-native';
+import { CodeLine as CodeLineProps } from '@rocket.chat/message-parser';
+
+interface ICodeLineProps {
+	value: CodeLineProps['value'];
+}
+
+const CodeLine = ({ value }: ICodeLineProps): JSX.Element | null => {
+	if (value.type !== 'PLAIN_TEXT') {
+		return null;
+	}
+
+	return <Text>{value.value}</Text>;
+};
+
+export default CodeLine;

app/containers/markdown/new/Emoji.tsx

@@ -0,0 +1,29 @@
+import React, { useContext } from 'react';
+import { Text } from 'react-native';
+import { Emoji as EmojiProps } from '@rocket.chat/message-parser';
+
+import shortnameToUnicode from '../../../utils/shortnameToUnicode';
+import { themes } from '../../../constants/colors';
+import { useTheme } from '../../../theme';
+import styles from '../styles';
+import CustomEmoji from '../../EmojiPicker/CustomEmoji';
+import MarkdownContext from './MarkdownContext';
+
+interface IEmojiProps {
+	value: EmojiProps['value'];
+	isBigEmoji?: boolean;
+}
+
+const Emoji = ({ value, isBigEmoji }: IEmojiProps): JSX.Element => {
+	const { theme } = useTheme();
+	const { baseUrl, getCustomEmoji } = useContext(MarkdownContext);
+	const emojiUnicode = shortnameToUnicode(`:${value.value}:`);
+	const emoji = getCustomEmoji?.(value.value);
+
+	if (emoji) {
+		return <CustomEmoji baseUrl={baseUrl} style={[isBigEmoji ? styles.customEmojiBig : styles.customEmoji]} emoji={emoji} />;
+	}
+	return <Text style={[{ color: themes[theme!].bodyText }, isBigEmoji ? styles.textBig : styles.text]}>{emojiUnicode}</Text>;
+};
+
+export default Emoji;

app/containers/markdown/new/Heading.tsx

@@ -0,0 +1,32 @@
+import React from 'react';
+import { Text } from 'react-native';
+import { Heading as HeadingProps } from '@rocket.chat/message-parser';
+
+import { themes } from '../../../constants/colors';
+import styles from '../styles';
+import { useTheme } from '../../../theme';
+
+interface IHeadingProps {
+	value: HeadingProps['value'];
+	level: HeadingProps['level'];
+}
+
+const Heading = ({ value, level }: IHeadingProps): JSX.Element => {
+	const { theme } = useTheme();
+	const textStyle = styles[`heading${level}`];
+
+	return (
+		<Text style={[textStyle, { color: themes[theme!].bodyText }]}>
+			{value.map(block => {
+				switch (block.type) {
+					case 'PLAIN_TEXT':
+						return block.value;
+					default:
+						return null;
+				}
+			})}
+		</Text>
+	);
+};
+
+export default Heading;

app/containers/markdown/new/Image.tsx

@@ -0,0 +1,41 @@
+import React from 'react';
+import { Image as ImageProps } from '@rocket.chat/message-parser';
+import { createImageProgress } from 'react-native-image-progress';
+import * as Progress from 'react-native-progress';
+import FastImage from '@rocket.chat/react-native-fast-image';
+
+import { useTheme } from '../../../theme';
+import { themes } from '../../../constants/colors';
+import styles from '../../message/styles';
+
+interface IImageProps {
+	value: ImageProps['value'];
+}
+
+type TMessageImage = {
+	img: string;
+	theme: string;
+};
+
+const ImageProgress = createImageProgress(FastImage);
+
+const MessageImage = ({ img, theme }: TMessageImage) => (
+	<ImageProgress
+		style={[styles.inlineImage, { borderColor: themes[theme].borderColor }]}
+		source={{ uri: encodeURI(img) }}
+		resizeMode={FastImage.resizeMode.cover}
+		indicator={Progress.Pie}
+		indicatorProps={{
+			color: themes[theme].actionTintColor
+		}}
+	/>
+);
+
+const Image = ({ value }: IImageProps): JSX.Element => {
+	const { theme } = useTheme();
+	const { src } = value;
+
+	return <MessageImage img={src.value} theme={theme!} />;
+};
+
+export default Image;

app/containers/markdown/new/Inline.tsx

@@ -0,0 +1,62 @@
+import React, { useContext } from 'react';
+import { Paragraph as ParagraphProps } from '@rocket.chat/message-parser';
+
+import Hashtag from '../Hashtag';
+import AtMention from '../AtMention';
+import Link from './Link';
+import Plain from './Plain';
+import Bold from './Bold';
+import Strike from './Strike';
+import Italic from './Italic';
+import Emoji from './Emoji';
+import InlineCode from './InlineCode';
+import Image from './Image';
+import MarkdownContext from './MarkdownContext';
+
+interface IParagraphProps {
+	value: ParagraphProps['value'];
+}
+
+const Inline = ({ value }: IParagraphProps): JSX.Element => {
+	const { useRealName, username, navToRoomInfo, mentions, channels } = useContext(MarkdownContext);
+	return (
+		<>
+			{value.map(block => {
+				switch (block.type) {
+					case 'IMAGE':
+						return <Image value={block.value} />;
+					case 'PLAIN_TEXT':
+						return <Plain value={block.value} />;
+					case 'BOLD':
+						return <Bold value={block.value} />;
+					case 'STRIKE':
+						return <Strike value={block.value} />;
+					case 'ITALIC':
+						return <Italic value={block.value} />;
+					case 'LINK':
+						return <Link value={block.value} />;
+					case 'MENTION_USER':
+						return (
+							<AtMention
+								mention={block.value.value}
+								useRealName={useRealName}
+								username={username}
+								navToRoomInfo={navToRoomInfo}
+								mentions={mentions}
+							/>
+						);
+					case 'EMOJI':
+						return <Emoji value={block.value} />;
+					case 'MENTION_CHANNEL':
+						return <Hashtag hashtag={block.value.value} navToRoomInfo={navToRoomInfo} channels={channels} />;
+					case 'INLINE_CODE':
+						return <InlineCode value={block.value} />;
+					default:
+						return null;
+				}
+			})}
+		</>
+	);
+};
+
+export default Inline;

app/containers/markdown/new/InlineCode.tsx

@@ -0,0 +1,38 @@
+import React from 'react';
+import { Text } from 'react-native';
+import { InlineCode as InlineCodeProps } from '@rocket.chat/message-parser';
+
+import styles from '../styles';
+import { themes } from '../../../constants/colors';
+import { useTheme } from '../../../theme';
+
+interface IInlineCodeProps {
+	value: InlineCodeProps['value'];
+}
+
+const InlineCode = ({ value }: IInlineCodeProps): JSX.Element => {
+	const { theme } = useTheme();
+
+	return (
+		<Text
+			style={[
+				styles.codeInline,
+				{
+					color: themes[theme!].bodyText,
+					backgroundColor: themes[theme!].bannerBackground,
+					borderColor: themes[theme!].borderColor
+				}
+			]}>
+			{(block => {
+				switch (block.type) {
+					case 'PLAIN_TEXT':
+						return <Text>{block.value}</Text>;
+					default:
+						return null;
+				}
+			})(value)}
+		</Text>
+	);
+};
+
+export default InlineCode;

app/containers/markdown/new/Italic.tsx

@@ -0,0 +1,39 @@
+import React from 'react';
+import { StyleSheet, Text } from 'react-native';
+import { Italic as ItalicProps } from '@rocket.chat/message-parser';
+
+import Strike from './Strike';
+import Bold from './Bold';
+import Plain from './Plain';
+import Link from './Link';
+
+interface IItalicProps {
+	value: ItalicProps['value'];
+}
+
+const styles = StyleSheet.create({
+	text: {
+		fontStyle: 'italic'
+	}
+});
+
+const Italic = ({ value }: IItalicProps): JSX.Element => (
+	<Text style={styles.text}>
+		{value.map(block => {
+			switch (block.type) {
+				case 'LINK':
+					return <Link value={block.value} />;
+				case 'PLAIN_TEXT':
+					return <Plain value={block.value} />;
+				case 'STRIKE':
+					return <Strike value={block.value} />;
+				case 'BOLD':
+					return <Bold value={block.value} />;
+				default:
+					return null;
+			}
+		})}
+	</Text>
+);
+
+export default Italic;

app/containers/markdown/new/Link.tsx

@@ -0,0 +1,60 @@
+import React, { useContext } from 'react';
+import { Text, Clipboard } from 'react-native';
+import { Link as LinkProps } from '@rocket.chat/message-parser';
+
+import styles from '../styles';
+import I18n from '../../../i18n';
+import { LISTENER } from '../../Toast';
+import { useTheme } from '../../../theme';
+import openLink from '../../../utils/openLink';
+import EventEmitter from '../../../utils/events';
+import { themes } from '../../../constants/colors';
+import Strike from './Strike';
+import Italic from './Italic';
+import Bold from './Bold';
+import MarkdownContext from './MarkdownContext';
+
+interface ILinkProps {
+	value: LinkProps['value'];
+}
+
+const Link = ({ value }: ILinkProps): JSX.Element => {
+	const { theme } = useTheme();
+	const { onLinkPress } = useContext(MarkdownContext);
+	const { src, label } = value;
+	const handlePress = () => {
+		if (!src.value) {
+			return;
+		}
+		if (onLinkPress) {
+			return onLinkPress(src.value);
+		}
+		openLink(src.value, theme);
+	};
+
+	const onLongPress = () => {
+		Clipboard.setString(src.value);
+		EventEmitter.emit(LISTENER, { message: I18n.t('Copied_to_clipboard') });
+	};
+
+	return (
+		<Text onPress={handlePress} onLongPress={onLongPress} style={[styles.link, { color: themes[theme!].actionTintColor }]}>
+			{(block => {
+				switch (block.type) {
+					case 'PLAIN_TEXT':
+						return block.value;
+					case 'STRIKE':
+						return <Strike value={block.value} />;
+					case 'ITALIC':
+						return <Italic value={block.value} />;
+					case 'BOLD':
+						return <Bold value={block.value} />;
+					default:
+						return null;
+				}
+			})(label)}
+		</Text>
+	);
+};
+
+export default Link;

app/containers/markdown/new/MarkdownContext.ts

@@ -0,0 +1,29 @@
+import React from 'react';
+
+import { UserMention } from '../../message/interfaces';
+
+interface IMarkdownContext {
+	mentions: UserMention[];
+	channels: {
+		name: string;
+		_id: number;
+	}[];
+	useRealName: boolean;
+	username: string;
+	baseUrl: string;
+	navToRoomInfo: Function;
+	getCustomEmoji?: Function;
+	onLinkPress?: Function;
+}
+
+const defaultState = {
+	mentions: [],
+	channels: [],
+	useRealName: false,
+	username: '',
+	baseUrl: '',
+	navToRoomInfo: () => {}
+};
+
+const MarkdownContext = React.createContext<IMarkdownContext>(defaultState);
+export default MarkdownContext;

app/containers/markdown/new/OrderedList.tsx

@@ -0,0 +1,28 @@
+import React from 'react';
+import { View, Text } from 'react-native';
+import { OrderedList as OrderedListProps } from '@rocket.chat/message-parser';
+
+import Inline from './Inline';
+import styles from '../styles';
+import { themes } from '../../../constants/colors';
+import { useTheme } from '../../../theme';
+
+interface IOrderedListProps {
+	value: OrderedListProps['value'];
+}
+
+const OrderedList = ({ value }: IOrderedListProps): JSX.Element => {
+	const { theme } = useTheme();
+	return (
+		<View>
+			{value.map((item, index) => (
+				<View style={styles.row}>
+					<Text style={[styles.text, { color: themes[theme!].bodyText }]}>{index + 1}. </Text>
+					<Inline value={item.value} />
+				</View>
+			))}
+		</View>
+	);
+};
+
+export default OrderedList;

app/containers/markdown/new/Paragraph.tsx

@@ -0,0 +1,23 @@
+import React from 'react';
+import { Text } from 'react-native';
+import { Paragraph as ParagraphProps } from '@rocket.chat/message-parser';
+
+import Inline from './Inline';
+import styles from '../styles';
+import { useTheme } from '../../../theme';
+import { themes } from '../../../constants/colors';
+
+interface IParagraphProps {
+	value: ParagraphProps['value'];
+}
+
+const Paragraph = ({ value }: IParagraphProps): JSX.Element => {
+	const { theme } = useTheme();
+	return (
+		<Text style={[styles.text, { color: themes[theme!].bodyText }]}>
+			<Inline value={value} />
+		</Text>
+	);
+};
+
+export default Paragraph;

app/containers/markdown/new/Plain.tsx

@@ -0,0 +1,22 @@
+import React from 'react';
+import { Text } from 'react-native';
+import { Plain as PlainProps } from '@rocket.chat/message-parser';
+
+import styles from '../styles';
+import { useTheme } from '../../../theme';
+import { themes } from '../../../constants/colors';
+
+interface IPlainProps {
+	value: PlainProps['value'];
+}
+
+const Plain = ({ value }: IPlainProps): JSX.Element => {
+	const { theme } = useTheme();
+	return (
+		<Text accessibilityLabel={value} style={[styles.plainText, { color: themes[theme!].bodyText }]}>
+			{value}
+		</Text>
+	);
+};
+
+export default Plain;

app/containers/markdown/new/Quote.tsx

@@ -0,0 +1,28 @@
+import React from 'react';
+import { View } from 'react-native';
+import { Quote as QuoteProps } from '@rocket.chat/message-parser';
+
+import { themes } from '../../../constants/colors';
+import { useTheme } from '../../../theme';
+import styles from '../styles';
+import Paragraph from './Paragraph';
+
+interface IQuoteProps {
+	value: QuoteProps['value'];
+}
+
+const Quote = ({ value }: IQuoteProps): JSX.Element => {
+	const { theme } = useTheme();
+	return (
+		<View style={styles.container}>
+			<View style={[styles.quote, { backgroundColor: themes[theme!].borderColor }]} />
+			<View style={styles.childContainer}>
+				{value.map(item => (
+					<Paragraph value={item.value} />
+				))}
+			</View>
+		</View>
+	);
+};
+
+export default Quote;

app/containers/markdown/new/Strike.tsx

@@ -0,0 +1,39 @@
+import React from 'react';
+import { StyleSheet, Text } from 'react-native';
+import { Strike as StrikeProps } from '@rocket.chat/message-parser';
+
+import Bold from './Bold';
+import Italic from './Italic';
+import Plain from './Plain';
+import Link from './Link';
+
+interface IStrikeProps {
+	value: StrikeProps['value'];
+}
+
+const styles = StyleSheet.create({
+	text: {
+		textDecorationLine: 'line-through'
+	}
+});
+
+const Strike = ({ value }: IStrikeProps): JSX.Element => (
+	<Text style={styles.text}>
+		{value.map(block => {
+			switch (block.type) {
+				case 'LINK':
+					return <Link value={block.value} />;
+				case 'PLAIN_TEXT':
+					return <Plain value={block.value} />;
+				case 'BOLD':
+					return <Bold value={block.value} />;
+				case 'ITALIC':
+					return <Italic value={block.value} />;
+				default:
+					return null;
+			}
+		})}
+	</Text>
+);
+
+export default Strike;

app/containers/markdown/new/TaskList.tsx

@@ -0,0 +1,28 @@
+import React from 'react';
+import { Text, View } from 'react-native';
+import { Tasks as TasksProps } from '@rocket.chat/message-parser';
+
+import Inline from './Inline';
+import styles from '../styles';
+import { themes } from '../../../constants/colors';
+import { useTheme } from '../../../theme';
+
+interface ITasksProps {
+	value: TasksProps['value'];
+}
+
+const TaskList = ({ value = [] }: ITasksProps): JSX.Element => {
+	const { theme } = useTheme();
+	return (
+		<View>
+			{value.map(item => (
+				<View style={styles.row}>
+					<Text style={[styles.text, { color: themes[theme!].bodyText }]}>{item.status ? '- [x] ' : '- [ ] '}</Text>
+					<Inline value={item.value} />
+				</View>
+			))}
+		</View>
+	);
+};
+
+export default TaskList;

app/containers/markdown/new/UnorderedList.tsx

@@ -0,0 +1,28 @@
+import React from 'react';
+import { UnorderedList as UnorderedListProps } from '@rocket.chat/message-parser';
+import { View, Text } from 'react-native';
+
+import Inline from './Inline';
+import styles from '../styles';
+import { themes } from '../../../constants/colors';
+import { useTheme } from '../../../theme';
+
+interface IUnorderedListProps {
+	value: UnorderedListProps['value'];
+}
+
+const UnorderedList = ({ value }: IUnorderedListProps): JSX.Element => {
+	const { theme } = useTheme();
+	return (
+		<View>
+			{value.map(item => (
+				<View style={styles.row}>
+					<Text style={[styles.text, { color: themes[theme!].bodyText }]}>- </Text>
+					<Inline value={item.value} />
+				</View>
+			))}
+		</View>
+	);
+};
+
+export default UnorderedList;

app/containers/markdown/new/index.tsx

@@ -0,0 +1,77 @@
+import React from 'react';
+import { MarkdownAST } from '@rocket.chat/message-parser';
+
+import Quote from './Quote';
+import Paragraph from './Paragraph';
+import Heading from './Heading';
+import Code from './Code';
+import BigEmoji from './BigEmoji';
+import OrderedList from './OrderedList';
+import UnorderedList from './UnorderedList';
+import { UserMention } from '../../message/interfaces';
+import TaskList from './TaskList';
+import MarkdownContext from './MarkdownContext';
+
+interface IBodyProps {
+	tokens: MarkdownAST;
+	mentions: UserMention[];
+	channels: {
+		name: string;
+		_id: number;
+	}[];
+	getCustomEmoji?: Function;
+	onLinkPress?: Function;
+	navToRoomInfo: Function;
+	useRealName: boolean;
+	username: string;
+	baseUrl: string;
+}
+
+const Body = ({
+	tokens,
+	mentions,
+	channels,
+	useRealName,
+	username,
+	navToRoomInfo,
+	getCustomEmoji,
+	baseUrl,
+	onLinkPress
+}: IBodyProps): JSX.Element => (
+	<MarkdownContext.Provider
+		value={{
+			mentions,
+			channels,
+			useRealName,
+			username,
+			navToRoomInfo,
+			getCustomEmoji,
+			baseUrl,
+			onLinkPress
+		}}>
+		{tokens.map(block => {
+			switch (block.type) {
+				case 'BIG_EMOJI':
+					return <BigEmoji value={block.value} />;
+				case 'UNORDERED_LIST':
+					return <UnorderedList value={block.value} />;
+				case 'ORDERED_LIST':
+					return <OrderedList value={block.value} />;
+				case 'TASKS':
+					return <TaskList value={block.value} />;
+				case 'QUOTE':
+					return <Quote value={block.value} />;
+				case 'PARAGRAPH':
+					return <Paragraph value={block.value} />;
+				case 'CODE':
+					return <Code value={block.value} />;
+				case 'HEADING':
+					return <Heading value={block.value} level={block.level} />;
+				default:
+					return null;
+			}
+		})}
+	</MarkdownContext.Provider>
+);
+
+export default Body;

app/containers/markdown/styles.ts

@@ -30,6 +30,10 @@ export default StyleSheet.create<any>({
 	del: {
 		textDecorationLine: 'line-through'
 	},
+	plainText: {
+		fontSize: 16,
+		flexShrink: 1
+	},
 	text: {
 		fontSize: 16,
 		...sharedStyles.textRegular
@@ -70,12 +74,16 @@ export default StyleSheet.create<any>({
 		resizeMode: 'contain'
 	},
 	codeInline: {
+		fontSize: 16,
 		...sharedStyles.textRegular,
 		...codeFontFamily,
 		borderWidth: 1,
-		borderRadius: 4
+		borderRadius: 4,
+		paddingLeft: 2,
+		paddingTop: 2
 	},
 	codeBlock: {
+		fontSize: 16,
 		...sharedStyles.textRegular,
 		...codeFontFamily,
 		borderWidth: 1,

app/containers/message/Content.tsx

@@ -51,8 +51,10 @@ const Content = React.memo(
 				// @ts-ignore
 				<Markdown
 					msg={props.msg}
+					md={props.md}
 					baseUrl={baseUrl}
 					getCustomEmoji={props.getCustomEmoji}
+					enableMessageParser={user.enableMessageParserEarlyAdoption}
 					username={user.username}
 					isEdited={props.isEdited}
 					numberOfLines={isPreview ? 1 : 0}
@@ -103,6 +105,9 @@ const Content = React.memo(
 		if (prevProps.isIgnored !== nextProps.isIgnored) {
 			return false;
 		}
+		if (!dequal(prevProps.md, nextProps.md)) {
+			return false;
+		}
 		if (!dequal(prevProps.mentions, nextProps.mentions)) {
 			return false;
 		}

app/containers/message/index.tsx

@@ -357,7 +357,8 @@ class MessageContainer extends React.Component<IMessageContainerProps, any> {
 			unread,
 			blocks,
 			autoTranslate: autoTranslateMessage,
-			replies
+			replies,
+			md
 		} = item;
 
 		let message = msg;
@@ -391,6 +392,7 @@ class MessageContainer extends React.Component<IMessageContainerProps, any> {
 				<Message
 					id={id}
 					msg={message}
+					md={md}
 					rid={rid}
 					author={u}
 					ts={ts}

app/containers/message/interfaces.ts

@@ -1,3 +1,5 @@
+import { MarkdownAST } from '@rocket.chat/message-parser';
+
 export interface IMessageAttachments {
 	attachments: any;
 	timeFormat: string;
@@ -48,12 +50,21 @@ export interface IMessageCallButton {
 	callJitsi: Function;
 }
 
+export interface IUser {
+	_id: string;
+	username: string;
+	name: string;
+}
+
+export type UserMention = Pick<IUser, '_id' | 'username' | 'name'>;
+
 export interface IMessageContent {
 	isTemp: boolean;
 	isInfo: boolean;
 	tmid: string;
 	isThreadRoom: boolean;
 	msg: string;
+	md: MarkdownAST;
 	theme: string;
 	isEdited: boolean;
 	isEncrypted: boolean;
@@ -62,7 +73,7 @@ export interface IMessageContent {
 		name: string;
 		_id: number;
 	}[];
-	mentions: object[];
+	mentions: UserMention[];
 	navToRoomInfo: Function;
 	useRealName: boolean;
 	isIgnored: boolean;

app/containers/message/styles.ts

@@ -106,7 +106,6 @@ export default StyleSheet.create<any>({
 	},
 	image: {
 		width: '100%',
-		// maxWidth: 400,
 		minHeight: isTablet ? 300 : 200,
 		borderRadius: 4,
 		borderWidth: 1,

app/i18n/locales/en.json

@@ -779,5 +779,6 @@
   "Shortcut": "Shortcut",
   "Content": "Content",
   "Sharing": "Sharing",
-  "No_canned_responses": "No canned responses"
+  "No_canned_responses": "No canned responses",
+	"Enable_Message_Parser": "Enable Message Parser"
 }

app/lib/database/model/Message.js

@@ -81,4 +81,6 @@ export default class Message extends Model {
 	@field('e2e') e2e;
 
 	@field('tshow') tshow;
+
+	@json('md', sanitizer) md;
 }

app/lib/database/model/migrations.js

@@ -190,6 +190,15 @@ export default schemaMigrations({
 					]
 				})
 			]
+		},
+		{
+			toVersion: 14,
+			steps: [
+				addColumns({
+					table: 'messages',
+					columns: [{ name: 'md', type: 'string', isOptional: true }]
+				})
+			]
 		}
 	]
 });

app/lib/database/model/servers/User.js

@@ -25,4 +25,6 @@ export default class User extends Model {
 	@field('show_message_in_main_thread') showMessageInMainThread;
 
 	@field('is_from_webview') isFromWebView;
+
+	@field('enable_message_parser_early_adoption') enableMessageParserEarlyAdoption;
 }

app/lib/database/model/servers/migrations.js

@@ -94,6 +94,15 @@ export default schemaMigrations({
 					columns: [{ name: 'is_from_webview', type: 'boolean', isOptional: true }]
 				})
 			]
+		},
+		{
+			toVersion: 12,
+			steps: [
+				addColumns({
+					table: 'users',
+					columns: [{ name: 'enable_message_parser_early_adoption', type: 'boolean', isOptional: true }]
+				})
+			]
 		}
 	]
 });

app/lib/database/schema/app.js

@@ -1,7 +1,7 @@
 import { appSchema, tableSchema } from '@nozbe/watermelondb';
 
 export default appSchema({
-	version: 13,
+	version: 14,
 	tables: [
 		tableSchema({
 			name: 'subscriptions',
@@ -115,7 +115,8 @@ export default appSchema({
 				{ name: 'tmsg', type: 'string', isOptional: true },
 				{ name: 'blocks', type: 'string', isOptional: true },
 				{ name: 'e2e', type: 'string', isOptional: true },
-				{ name: 'tshow', type: 'boolean', isOptional: true }
+				{ name: 'tshow', type: 'boolean', isOptional: true },
+				{ name: 'md', type: 'string', isOptional: true }
 			]
 		}),
 		tableSchema({

app/lib/database/schema/servers.js

@@ -1,7 +1,7 @@
 import { appSchema, tableSchema } from '@nozbe/watermelondb';
 
 export default appSchema({
-	version: 11,
+	version: 12,
 	tables: [
 		tableSchema({
 			name: 'users',
@@ -16,7 +16,8 @@ export default appSchema({
 				{ name: 'login_email_password', type: 'boolean', isOptional: true },
 				{ name: 'show_message_in_main_thread', type: 'boolean', isOptional: true },
 				{ name: 'avatar_etag', type: 'string', isOptional: true },
-				{ name: 'is_from_webview', type: 'boolean', isOptional: true }
+				{ name: 'is_from_webview', type: 'boolean', isOptional: true },
+				{ name: 'enable_message_parser_early_adoption', type: 'boolean', isOptional: true }
 			]
 		}),
 		tableSchema({

app/lib/rocketchat.js

@@ -622,7 +622,8 @@ const RocketChat = {
 			roles: result.me.roles,
 			avatarETag: result.me.avatarETag,
 			isFromWebView,
-			showMessageInMainThread: result.me.settings?.preferences?.showMessageInMainThread ?? true
+			showMessageInMainThread: result.me.settings?.preferences?.showMessageInMainThread ?? true,
+			enableMessageParserEarlyAdoption: result.me.settings?.preferences?.enableMessageParserEarlyAdoption ?? true
 		};
 		return user;
 	},

app/views/UserPreferencesView/index.js

@@ -1,46 +1,75 @@
-import React from 'react';
+import React, { useEffect, useState } from 'react';
+import { Switch } from 'react-native';
 import PropTypes from 'prop-types';
+import { useSelector } from 'react-redux';
 
 import I18n from '../../i18n';
-import { events, logEvent } from '../../utils/log';
+import log, { logEvent, events } from '../../utils/log';
 import SafeAreaView from '../../containers/SafeAreaView';
 import StatusBar from '../../containers/StatusBar';
 import * as List from '../../containers/List';
+import { SWITCH_TRACK_COLOR } from '../../constants/colors';
+import { getUserSelector } from '../../selectors/login';
+import RocketChat from '../../lib/rocketchat';
 
-class UserPreferencesView extends React.Component {
-	static navigationOptions = () => ({
-		title: I18n.t('Preferences')
-	});
+const UserPreferencesView = ({ navigation }) => {
+	const user = useSelector(state => getUserSelector(state));
+	const [enableParser, setEnableParser] = useState(user.enableMessageParserEarlyAdoption);
 
-	static propTypes = {
-		navigation: PropTypes.object
-	};
+	useEffect(() => {
+		navigation.setOptions({
+			title: I18n.t('Preferences')
+		});
+	}, []);
 
-	navigateToScreen = (screen, params) => {
+	const navigateToScreen = (screen, params) => {
 		logEvent(events[`SE_GO_${screen.replace('View', '').toUpperCase()}`]);
-		const { navigation } = this.props;
 		navigation.navigate(screen, params);
 	};
 
-	render() {
-		return (
-			<SafeAreaView testID='preferences-view'>
-				<StatusBar />
-				<List.Container>
-					<List.Section>
-						<List.Separator />
-						<List.Item
-							title='Notifications'
-							onPress={() => this.navigateToScreen('UserNotificationPrefView')}
-							showActionIndicator
-							testID='preferences-view-notifications'
-						/>
-						<List.Separator />
-					</List.Section>
-				</List.Container>
-			</SafeAreaView>
-		);
-	}
-}
+	const toggleMessageParser = async value => {
+		try {
+			await RocketChat.saveUserPreferences({ id: user.id, enableMessageParserEarlyAdoption: value });
+			setEnableParser(value);
+		} catch (e) {
+			log(e);
+		}
+	};
+
+	const renderMessageParserSwitch = () => (
+		<Switch value={enableParser} trackColor={SWITCH_TRACK_COLOR} onValueChange={toggleMessageParser} />
+	);
+
+	return (
+		<SafeAreaView testID='preferences-view'>
+			<StatusBar />
+			<List.Container>
+				<List.Section>
+					<List.Separator />
+					<List.Item
+						title='Notifications'
+						onPress={() => navigateToScreen('UserNotificationPrefView')}
+						showActionIndicator
+						testID='preferences-view-notifications'
+					/>
+					<List.Separator />
+				</List.Section>
+				<List.Section>
+					<List.Separator />
+					<List.Item
+						title='Enable_Message_Parser'
+						testID='preferences-view-enable-message-parser'
+						right={() => renderMessageParserSwitch()}
+					/>
+					<List.Separator />
+				</List.Section>
+			</List.Container>
+		</SafeAreaView>
+	);
+};
+
+UserPreferencesView.propTypes = {
+	navigation: PropTypes.object
+};
 
 export default UserPreferencesView;

package.json

@@ -47,6 +47,7 @@
 		"@react-navigation/drawer": "5.12.5",
 		"@react-navigation/native": "5.9.4",
 		"@react-navigation/stack": "5.14.5",
+		"@rocket.chat/message-parser": "0.30.0",
 		"@rocket.chat/react-native-fast-image": "^8.2.0",
 		"@rocket.chat/sdk": "RocketChat/Rocket.Chat.js.SDK#mobile",
 		"@rocket.chat/ui-kit": "0.13.0",

storybook/stories/NewMarkdown.js

@@ -0,0 +1,627 @@
+/* eslint-disable import/no-extraneous-dependencies */
+import React from 'react';
+import { StyleSheet, View } from 'react-native';
+import { storiesOf } from '@storybook/react-native';
+
+import NewMarkdown from '../../app/containers/markdown/new';
+import { themes } from '../../app/constants/colors';
+
+const stories = storiesOf('NewMarkdown', module);
+
+const theme = 'light';
+
+const styles = StyleSheet.create({
+	container: {
+		marginHorizontal: 15,
+		backgroundColor: themes[theme].backgroundColor,
+		marginVertical: 50
+	},
+	separator: {
+		marginHorizontal: 10,
+		marginVertical: 10
+	}
+});
+
+const getCustomEmoji = content => {
+	const customEmoji = {
+		marioparty: { name: content, extension: 'gif' },
+		nyan_rocket: { name: content, extension: 'png' }
+	}[content];
+	return customEmoji;
+};
+const baseUrl = 'https://open.rocket.chat';
+
+const simpleTextMsg = [
+	{
+		type: 'PARAGRAPH',
+		value: [
+			{
+				type: 'PLAIN_TEXT',
+				value: 'This is Rocket.Chat'
+			}
+		]
+	}
+];
+
+const longTextMsg = [
+	{
+		type: 'PARAGRAPH',
+		value: [
+			{
+				type: 'PLAIN_TEXT',
+				value:
+					'Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.'
+			}
+		]
+	}
+];
+
+const lineBreakMsg = [
+	{
+		type: 'PARAGRAPH',
+		value: [
+			{
+				type: 'PLAIN_TEXT',
+				value: 'a'
+			},
+			{
+				type: 'PLAIN_TEXT',
+				value: 'b'
+			},
+			{
+				type: 'PLAIN_TEXT',
+				value: 'c'
+			},
+			{
+				type: 'PLAIN_TEXT',
+				value: ''
+			},
+			{
+				type: 'PLAIN_TEXT',
+				value: 'd'
+			},
+			{
+				type: 'PLAIN_TEXT',
+				value: ''
+			},
+			{
+				type: 'PLAIN_TEXT',
+				value: ''
+			},
+			{
+				type: 'PLAIN_TEXT',
+				value: 'e'
+			}
+		]
+	}
+];
+
+const sequentialEmptySpacesMsg = [
+	{
+		type: 'PARAGRAPH',
+		value: [
+			{
+				type: 'PLAIN_TEXT',
+				value: 'a       b                                                                             c'
+			}
+		]
+	}
+];
+
+const boldOrUnderscoreMsg = [
+	{
+		type: 'PARAGRAPH',
+		value: [
+			{
+				type: 'BOLD',
+				value: [
+					{
+						type: 'PLAIN_TEXT',
+						value: 'This is bold'
+					}
+				]
+			},
+			{
+				type: 'PLAIN_TEXT',
+				value: ' and '
+			},
+			{
+				type: 'ITALIC',
+				value: [
+					{
+						type: 'PLAIN_TEXT',
+						value: 'this is italic'
+					}
+				]
+			}
+		]
+	}
+];
+
+stories.add('Text', () => (
+	<View style={styles.container}>
+		<NewMarkdown tokens={simpleTextMsg} />
+		<NewMarkdown tokens={longTextMsg} />
+		<NewMarkdown tokens={lineBreakMsg} />
+		<NewMarkdown tokens={sequentialEmptySpacesMsg} />
+		<NewMarkdown tokens={boldOrUnderscoreMsg} />
+	</View>
+));
+
+const allMentionTokens = [
+	{
+		type: 'PARAGRAPH',
+		value: [
+			{
+				type: 'MENTION_USER',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'rocket.cat'
+				}
+			}
+		]
+	}
+];
+
+const multipleMentionTokens = [
+	{
+		type: 'PARAGRAPH',
+		value: [
+			{
+				type: 'MENTION_USER',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'name'
+				}
+			},
+			{
+				type: 'PLAIN_TEXT',
+				value: ' '
+			},
+			{
+				type: 'MENTION_USER',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'rocket.cat'
+				}
+			},
+			{
+				type: 'PLAIN_TEXT',
+				value: ' '
+			},
+			{
+				type: 'MENTION_USER',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'here'
+				}
+			},
+			{
+				type: 'PLAIN_TEXT',
+				value: ' '
+			},
+			{
+				type: 'MENTION_USER',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'all'
+				}
+			}
+		]
+	}
+];
+
+const allMentions = [
+	{
+		_id: 'rocket.cat',
+		username: 'rocket.cat'
+	}
+];
+
+const multipleMentions = [
+	{
+		_id: 'name',
+		username: 'name'
+	},
+	{
+		_id: 'rocket.cat',
+		username: 'rocket.cat'
+	},
+	{
+		_id: 'here',
+		username: 'here'
+	},
+	{
+		_id: 'all',
+		username: 'all'
+	}
+];
+
+stories.add('Mentions', () => (
+	<View style={styles.container}>
+		<NewMarkdown tokens={allMentionTokens} mentions={allMentions} navToRoomInfo={() => {}} style={[]} />
+		<NewMarkdown
+			tokens={multipleMentionTokens}
+			mentions={multipleMentions}
+			navToRoomInfo={() => {}}
+			style={[]}
+			username='rocket.cat'
+		/>
+	</View>
+));
+
+const channelTokens = [
+	{
+		type: 'PARAGRAPH',
+		value: [
+			{
+				type: 'MENTION_CHANNEL',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'text_channel'
+				}
+			},
+			{
+				type: 'PLAIN_TEXT',
+				value: ' and '
+			},
+			{
+				type: 'MENTION_CHANNEL',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'not_a_channel'
+				}
+			}
+		]
+	}
+];
+
+const channelMention = [
+	{
+		_id: 'text_channel',
+		name: 'text_channel'
+	}
+];
+
+stories.add('Hashtag', () => (
+	<View style={styles.container}>
+		<NewMarkdown tokens={channelTokens} channels={channelMention} navToRoomInfo={() => {}} />
+	</View>
+));
+
+const bigEmojiTokens = [
+	{
+		type: 'BIG_EMOJI',
+		value: [
+			{
+				type: 'EMOJI',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'green_heart'
+				}
+			},
+			{
+				type: 'EMOJI',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'joy'
+				}
+			},
+			{
+				type: 'EMOJI',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'grin'
+				}
+			}
+		]
+	}
+];
+
+const emojiTokens = [
+	{
+		type: 'PARAGRAPH',
+		value: [
+			{
+				type: 'EMOJI',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'rocket'
+				}
+			},
+			{
+				type: 'EMOJI',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'facepalm'
+				}
+			},
+			{
+				type: 'EMOJI',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'nyan_rocket'
+				}
+			},
+			{
+				type: 'EMOJI',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'marioparty'
+				}
+			}
+		]
+	}
+];
+
+stories.add('Emoji', () => (
+	<View style={styles.container}>
+		<NewMarkdown tokens={bigEmojiTokens} />
+		<NewMarkdown tokens={emojiTokens} getCustomEmoji={getCustomEmoji} baseUrl={baseUrl} />
+	</View>
+));
+
+const blockQuoteTokens = [
+	{
+		type: 'QUOTE',
+		value: [
+			{
+				type: 'PARAGRAPH',
+				value: [
+					{
+						type: 'PLAIN_TEXT',
+						value: 'Rocket.Chat to the moon'
+					}
+				]
+			}
+		]
+	}
+];
+
+stories.add('Block quote', () => (
+	<View style={styles.container}>
+		<NewMarkdown tokens={blockQuoteTokens} />
+	</View>
+));
+
+const rocketChatLink = [
+	{
+		type: 'PARAGRAPH',
+		value: [
+			{
+				type: 'LINK',
+				value: {
+					src: {
+						type: 'PLAIN_TEXT',
+						value: 'https://rocket.chat'
+					},
+					label: {
+						type: 'PLAIN_TEXT',
+						value: 'https://rocket.chat'
+					}
+				}
+			}
+		]
+	}
+];
+
+const markdownLink = [
+	{
+		type: 'PARAGRAPH',
+		value: [
+			{
+				type: 'LINK',
+				value: {
+					src: {
+						type: 'PLAIN_TEXT',
+						value: 'https://rocket.chat'
+					},
+					label: {
+						type: 'PLAIN_TEXT',
+						value: 'Markdown link'
+					}
+				}
+			}
+		]
+	}
+];
+
+stories.add('Links', () => (
+	<View style={styles.container}>
+		<NewMarkdown tokens={rocketChatLink} />
+		<NewMarkdown tokens={markdownLink} />
+	</View>
+));
+
+stories.add('Headers', () => (
+	<View style={styles.container}>
+		<NewMarkdown
+			tokens={[
+				{
+					type: 'HEADING',
+					value: [
+						{
+							type: 'PLAIN_TEXT',
+							value: '# Header 1'
+						}
+					],
+					level: 1
+				}
+			]}
+		/>
+		<NewMarkdown
+			tokens={[
+				{
+					type: 'HEADING',
+					value: [
+						{
+							type: 'PLAIN_TEXT',
+							value: '## Header 2'
+						}
+					],
+					level: 2
+				}
+			]}
+		/>
+		<NewMarkdown
+			tokens={[
+				{
+					type: 'HEADING',
+					value: [
+						{
+							type: 'PLAIN_TEXT',
+							value: '### Header 3'
+						}
+					],
+					level: 3
+				}
+			]}
+		/>
+		<NewMarkdown
+			tokens={[
+				{
+					type: 'HEADING',
+					value: [
+						{
+							type: 'PLAIN_TEXT',
+							value: '#### Header 4'
+						}
+					],
+					level: 4
+				}
+			]}
+		/>
+		<NewMarkdown
+			tokens={[
+				{
+					type: 'HEADING',
+					value: [
+						{
+							type: 'PLAIN_TEXT',
+							value: '##### Header 5'
+						}
+					],
+					level: 5
+				}
+			]}
+		/>
+		<NewMarkdown
+			tokens={[
+				{
+					type: 'HEADING',
+					value: [
+						{
+							type: 'PLAIN_TEXT',
+							value: '###### Header 6'
+						}
+					],
+					level: 6
+				}
+			]}
+		/>
+	</View>
+));
+
+const inlineCodeToken = [
+	{
+		type: 'PARAGRAPH',
+		value: [
+			{
+				type: 'INLINE_CODE',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'inline code'
+				}
+			}
+		]
+	}
+];
+
+const multilineCodeToken = [
+	{
+		type: 'CODE',
+		language: 'none',
+		value: [
+			{
+				type: 'CODE_LINE',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'Multi line '
+				}
+			},
+			{
+				type: 'CODE_LINE',
+				value: {
+					type: 'PLAIN_TEXT',
+					value: 'Code'
+				}
+			}
+		]
+	}
+];
+
+stories.add('Code', () => (
+	<View style={styles.container}>
+		<NewMarkdown tokens={inlineCodeToken} style={[]} />
+		<NewMarkdown tokens={multilineCodeToken} style={[]} />
+	</View>
+));
+
+const unorederedListToken = [
+	{
+		type: 'UNORDERED_LIST',
+		value: [
+			{
+				type: 'LIST_ITEM',
+				value: [
+					{
+						type: 'PLAIN_TEXT',
+						value: 'Open Source'
+					}
+				]
+			},
+			{
+				type: 'LIST_ITEM',
+				value: [
+					{
+						type: 'PLAIN_TEXT',
+						value: 'Rocket.Chat'
+					}
+				]
+			}
+		]
+	}
+];
+
+const orderedListToken = [
+	{
+		type: 'ORDERED_LIST',
+		value: [
+			{
+				type: 'LIST_ITEM',
+				value: [
+					{
+						type: 'PLAIN_TEXT',
+						value: 'Open Source'
+					}
+				]
+			},
+			{
+				type: 'LIST_ITEM',
+				value: [
+					{
+						type: 'PLAIN_TEXT',
+						value: 'Rocket.Chat'
+					}
+				]
+			}
+		]
+	}
+];
+
+stories.add('Lists', () => (
+	<View style={styles.container}>
+		<NewMarkdown tokens={unorederedListToken} />
+		<NewMarkdown tokens={orderedListToken} />
+	</View>
+));

storybook/stories/index.js

@@ -12,6 +12,7 @@ import './HeaderButtons';
 import './UnreadBadge';
 import '../../app/views/ThreadMessagesView/Item.stories.js';
 import './Avatar';
+import './NewMarkdown';
 import '../../app/containers/BackgroundContainer/index.stories.js';
 import '../../app/containers/RoomHeader/RoomHeader.stories.js';
 import '../../app/views/RoomView/LoadMore/LoadMore.stories';

yarn.lock

@@ -3748,6 +3748,11 @@
   dependencies:
     eslint-plugin-import "^2.17.2"
 
+"@rocket.chat/message-parser@0.30.0":
+  version "0.30.0"
+  resolved "https://registry.yarnpkg.com/@rocket.chat/message-parser/-/message-parser-0.30.0.tgz#63a25aa7fa17724d55db80f95f7f8d6a99ae42ff"
+  integrity sha512-pI7ajaojv+GqhQBMnFiBOWerE7zIlJywWFaLzJlIC/wsJ9LgX6YaKY2wqc909nkr+E4qZY1luJ61ErXGGSF9Zw==
+
 "@rocket.chat/react-native-fast-image@^8.2.0":
   version "8.2.0"
   resolved "https://registry.yarnpkg.com/@rocket.chat/react-native-fast-image/-/react-native-fast-image-8.2.0.tgz#4f48858f95f40afcb10b39cee9b1239c150d6c51"