change markdown-preview extension

src/renderer/component/common/markdown-preview.jsx

@@ -0,0 +1,46 @@
+// @flow
+import * as React from 'react';
+import remark from 'remark';
+import reactRenderer from 'remark-react';
+import remarkEmoji from 'remark-emoji';
+import ExternalLink from 'component/externalLink';
+import defaultSchema from 'hast-util-sanitize/lib/github.json';
+
+// Use github sanitation schema
+const schema = { ...defaultSchema };
+
+// Extend sanitation schema to support lbry protocol
+schema.protocols.href[3] = 'lbry';
+
+type MarkdownProps = {
+  content: string,
+  promptLinks?: boolean,
+};
+
+const SimpleLink = ({ href, title, children }) => (
+  <a href={href} title={title}>
+    {children}
+  </a>
+);
+
+const MarkdownPreview = (props: MarkdownProps) => {
+  const { content, externalLinks, promptLinks } = props;
+  const remarkOptions = {
+    sanitize: schema,
+    remarkReactComponents: {
+      a: promptLinks ? ExternalLink : SimpleLink,
+    },
+  };
+  return (
+    <div className="markdown-preview">
+      {
+        remark()
+          .use(remarkEmoji)
+          .use(reactRenderer, remarkOptions)
+          .processSync(content).contents
+      }
+    </div>
+  );
+};
+
+export default MarkdownPreview;