133 lines
3.9 KiB
JavaScript
133 lines
3.9 KiB
JavaScript
import React from 'react';
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import { Text, Image } from 'react-native';
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import PropTypes from 'prop-types';
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import { emojify } from 'react-emojione';
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import MarkdownRenderer, { PluginContainer } from 'react-native-markdown-renderer';
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import MarkdownFlowdock from 'markdown-it-flowdock';
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import styles from './styles';
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import CustomEmoji from '../EmojiPicker/CustomEmoji';
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import MarkdownEmojiPlugin from './MarkdownEmojiPlugin';
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import I18n from '../../i18n';
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const EmojiPlugin = new PluginContainer(MarkdownEmojiPlugin);
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const MentionsPlugin = new PluginContainer(MarkdownFlowdock);
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const plugins = [EmojiPlugin, MentionsPlugin];
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// Support <http://link|Text>
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const formatText = text => text.replace(
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new RegExp('(?:<|<)((?:https|http):\\/\\/[^\\|]+)\\|(.+?)(?=>|>)(?:>|>)', 'gm'),
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(match, url, title) => `[${ title }](${ url })`
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);
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const Markdown = React.memo(({
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msg, style, rules, baseUrl, username, isEdited, numberOfLines, mentions, channels, getCustomEmoji, useMarkdown = true
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}) => {
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if (!msg) {
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return null;
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}
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let m = formatText(msg);
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if (m) {
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m = emojify(m, { output: 'unicode' });
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}
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m = m.replace(/^\[([^\]]*)\]\(([^)]*)\)/, '').trim();
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if (numberOfLines > 0) {
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m = m.replace(/[\n]+/g, '\n').trim();
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}
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if (!useMarkdown) {
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return <Text style={styles.text} numberOfLines={numberOfLines}>{m}</Text>;
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}
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return (
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<MarkdownRenderer
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rules={{
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paragraph: (node, children) => (
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<Text key={node.key} style={styles.paragraph} numberOfLines={numberOfLines}>
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{children}
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{isEdited ? <Text style={styles.edited}> ({I18n.t('edited')})</Text> : null}
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</Text>
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),
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mention: (node) => {
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const { content, key } = node;
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let mentionStyle = styles.mention;
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if (content === 'all' || content === 'here') {
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mentionStyle = {
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...mentionStyle,
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...styles.mentionAll
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};
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} else if (content === username) {
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mentionStyle = {
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...mentionStyle,
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...styles.mentionLoggedUser
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};
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}
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if (mentions && mentions.length && mentions.findIndex(mention => mention.username === content) !== -1) {
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return (
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<Text style={mentionStyle} key={key}>
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{content}
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</Text>
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);
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}
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return `@${ content }`;
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},
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hashtag: (node) => {
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const { content, key } = node;
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if (channels && channels.length && channels.findIndex(channel => channel.name === content) !== -1) {
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return (
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<Text key={key} style={styles.mention}>
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#{content}
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</Text>
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);
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}
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return `#${ content }`;
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},
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emoji: (node) => {
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if (node.children && node.children.length && node.children[0].content) {
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const { content } = node.children[0];
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const emoji = getCustomEmoji && getCustomEmoji(content);
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if (emoji) {
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return <CustomEmoji key={node.key} baseUrl={baseUrl} style={styles.customEmoji} emoji={emoji} />;
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}
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return <Text key={node.key}>:{content}:</Text>;
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}
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return null;
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},
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hardbreak: () => null,
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blocklink: () => null,
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image: node => (
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<Image key={node.key} style={styles.inlineImage} source={{ uri: node.attributes.src }} />
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),
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...rules
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}}
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style={{
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paragraph: styles.paragraph,
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text: styles.text,
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codeInline: styles.codeInline,
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codeBlock: styles.codeBlock,
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link: styles.link,
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...style
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}}
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plugins={plugins}
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>{m}
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</MarkdownRenderer>
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);
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}, (prevProps, nextProps) => prevProps.msg === nextProps.msg);
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Markdown.propTypes = {
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msg: PropTypes.string,
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username: PropTypes.string,
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baseUrl: PropTypes.string,
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style: PropTypes.any,
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rules: PropTypes.object,
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isEdited: PropTypes.bool,
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numberOfLines: PropTypes.number,
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useMarkdown: PropTypes.bool,
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mentions: PropTypes.oneOfType([PropTypes.array, PropTypes.object]),
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channels: PropTypes.oneOfType([PropTypes.array, PropTypes.object]),
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getCustomEmoji: PropTypes.func
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};
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Markdown.displayName = 'MessageMarkdown';
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export default Markdown;
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