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const replace = require('string-replace-to-array');
const MARKDOWN_LINK = /(?:\[(.*?)\]\((.*?)\))/g;
const removeMarkdownLinks = text => {
if (!text || typeof text !== 'string') return text;
return replace(text, MARKDOWN_LINK, (fullLink, text, url) => url).join('');
};
exports.up = function(r, conn) {
return r
.table('messages')
.withFields('id', 'content')
.run(conn)
.then(cursor => cursor.toArray())
.then(messages =>
Promise.all(
messages.map(message =>
r
.table('messages')
.get(message.id)
.update({
content: {
body: removeMarkdownLinks(message.content.body),
},
})
.run(conn)
)
)
);
};
exports.down = function(r, conn) {
return Promise.resolve();
};
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