vn-verdnaturachat/app/containers/message/Markdown.js

97 lines
2.6 KiB
JavaScript

import React from 'react';
import { Text, Platform } from 'react-native';
import PropTypes from 'prop-types';
import { emojify } from 'react-emojione';
import { connect } from 'react-redux';
import MarkdownRenderer, { PluginContainer } from 'react-native-markdown-renderer';
import MarkdownFlowdock from 'markdown-it-flowdock';
import styles from './styles';
import CustomEmoji from '../EmojiPicker/CustomEmoji';
import MarkdownEmojiPlugin from './MarkdownEmojiPlugin';
// Support <http://link|Text>
const formatText = text =>
text.replace(
new RegExp('(?:<|<)((?:https|http):\\/\\/[^\\|]+)\\|(.+?)(?=>|>)(?:>|>)', 'gm'),
(match, url, title) => `[${ title }](${ url })`
);
@connect(state => ({
customEmojis: state.customEmojis
}))
export default class Markdown extends React.Component {
shouldComponentUpdate(nextProps) {
return nextProps.msg !== this.props.msg;
}
render() {
const {
msg, customEmojis, style, rules
} = this.props;
if (!msg) {
return null;
}
let m = formatText(msg);
m = emojify(m, { output: 'unicode' });
return (
<MarkdownRenderer
rules={{
...Platform.OS === 'android' ? {} : {
paragraph: (node, children) => (
<Text key={node.key} style={styles.paragraph}>
{children}
</Text>
)
},
mention: node => (
<Text key={node.key} onPress={() => alert(`Username @${ node.content }`)} style={styles.mention}>
@{node.content}
</Text>
),
hashtag: node => (
<Text key={node.key} onPress={() => alert(`Room #${ node.content }`)} style={styles.mention}>
#{node.content}
</Text>
),
emoji: (node) => {
if (node.children && node.children.length && node.children[0].content) {
const { content } = node.children[0];
const emojiExtension = customEmojis[content];
if (emojiExtension) {
const emoji = { extension: emojiExtension, content };
return <CustomEmoji key={node.key} style={styles.customEmoji} emoji={emoji} />;
}
return <Text key={node.key}>:{content}:</Text>;
}
return null;
},
blocklink: () => {},
...rules
}}
style={{
paragraph: styles.paragraph,
codeInline: {
borderWidth: 1,
borderColor: '#CCCCCC',
backgroundColor: '#f5f5f5',
padding: 2,
borderRadius: 4
},
...style
}}
plugins={[
new PluginContainer(MarkdownFlowdock),
new PluginContainer(MarkdownEmojiPlugin)
]}
>{m}
</MarkdownRenderer>
);
}
}
Markdown.propTypes = {
msg: PropTypes.string,
customEmojis: PropTypes.object,
style: PropTypes.any,
rules: PropTypes.object
};