refactor: modularize into core/events/formatters/drivers

src/drivers/discord/index.ts

@@ -0,0 +1,17 @@
+import type { Route, Env, NeutralMessage } from "../../types";
+import type { PlatformDriver, SendResult } from "../types";
+import { sendMessage } from "./rest";
+import { renderNeutralMessage } from "./render";
+
+export class DiscordDriver implements PlatformDriver {
+  readonly id = "discord";
+
+  async send(
+    message: NeutralMessage,
+    target: Route["target"],
+    env: Env,
+  ): Promise<SendResult> {
+    const token = env.DISCORD_TOKEN ?? "";
+    return sendMessage(token, target.channelId, renderNeutralMessage(message), target.threadId);
+  }
+}