Add support for Discord -> Matrix Markdown

package.json

@@ -33,6 +33,7 @@
     "bluebird": "^3.4.7",
     "discord.js": "^11.0.0",
     "js-yaml": "^3.8.1",
+    "marked": "^0.3.6",
     "mime": "^1.3.4",
     "npmlog": "^4.0.2",
     "tslint": "^4.4.2",

src/discordbot.ts

@@ -4,6 +4,7 @@ import * as log from "npmlog";
 import { MatrixUser, RemoteUser } from "matrix-appservice-bridge";
 import { Util } from "./util";
 import * as mime from "mime";
+import * as marked from "marked";
 
 export class DiscordBot {
   private config: DiscordBridgeConfig;
@@ -192,8 +193,20 @@ export class DiscordBot {
         });
       });
       if (msg.content !== null && msg.content !== "") {
+        const markdown = marked(msg.content);
+        if (markdown !== msg.content) {
+          // Markdown message
+          intent.sendMessage(room, {
+            body: msg.content,
+            msgtype: "m.text",
+            formatted_body: markdown,
+            format: "org.matrix.custom.html",
+          })
+        } else {
+          // Plain text
           intent.sendText(room, msg.content);
         }
+      }
     });
   }
 }