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

128 lines
2.5 KiB
JavaScript

import React from 'react';
import { Text, Platform } from 'react-native';
import PropTypes from 'prop-types';
import EasyMarkdown from 'react-native-easy-markdown'; // eslint-disable-line
import SimpleMarkdown from 'simple-markdown';
import { emojify } from 'react-emojione';
const codeStyle = {
...Platform.select({
ios: { fontFamily: 'Courier New' },
android: { fontFamily: 'monospace' }
}),
backgroundColor: '#f8f8f8',
borderColor: '#cccccc',
borderWidth: 1,
borderRadius: 5,
padding: 5
};
const BlockCode = ({ node, state }) => (
<Text
key={state.key}
style={codeStyle}
>
{node.content}
</Text>
);
const rules = {
username: {
order: -1,
match: SimpleMarkdown.inlineRegex(/@[0-9a-zA-Z-_.]+/),
parse: capture => ({ content: capture[0] }),
react: (node, output, state) => ({
type: 'custom',
key: state.key,
props: {
children: (
<Text
key={state.key}
style={{ color: '#13679a' }}
onPress={() => alert('Username')}
>
{node.content}
</Text>
)
}
})
},
heading: {
order: -2,
match: SimpleMarkdown.inlineRegex(/#[0-9a-zA-Z-_.]+/),
parse: capture => ({ content: capture[0] }),
react: (node, output, state) => ({
type: 'custom',
key: state.key,
props: {
children: (
<Text
key={state.key}
style={{ color: '#13679a' }}
onPress={() => alert('Room')}
>
{node.content}
</Text>
)
}
})
},
fence: {
order: -5,
match: SimpleMarkdown.blockRegex(/^ *(`{3,}|~{3,}) *(\S+)? *\n([\s\S]+?)\s*\1 *(?:\n *)+\n/),
parse: capture => ({
lang: capture[2] || undefined,
content: capture[3]
}),
react: (node, output, state) => ({
type: 'custom',
key: state.key,
props: {
children: (
<BlockCode key={state.key} node={node} state={state} />
)
}
})
},
blockCode: {
order: -6,
match: SimpleMarkdown.blockRegex(/^(```)\s*([\s\S]*?[^`])\s*\1(?!```)/),
parse: capture => ({ content: capture[2] }),
react: (node, output, state) => ({
type: 'custom',
key: state.key,
props: {
children: (
<BlockCode key={state.key} node={node} state={state} />
)
}
})
}
};
const Markdown = ({ msg }) => {
if (!msg) {
return null;
}
msg = emojify(msg, { output: 'unicode' });
return (
<EasyMarkdown
style={{ marginBottom: 0 }}
rules={rules}
markdownStyles={{ code: codeStyle }}
>{msg}
</EasyMarkdown>
);
};
Markdown.propTypes = {
msg: PropTypes.string.isRequired
};
BlockCode.propTypes = {
node: PropTypes.object,
state: PropTypes.object
};
export default Markdown;