Improve empty message detection when rendering tags

backend/src/utils/messageHasContent.ts

@@ -0,0 +1,35 @@
+import { MessageContent } from "eris";
+
+function embedHasContent(embed: any) {
+  for (const [key, value] of Object.entries(embed)) {
+    if (typeof value === "string" && value.trim() !== "") {
+      return true;
+    }
+
+    if (typeof value === "object" && value != null && embedHasContent(value)) {
+      return true;
+    }
+
+    if (value != null) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
+export function messageHasContent(content: MessageContent): boolean {
+  if (typeof content === "string") {
+    return content.trim() !== "";
+  }
+
+  if (content.content != null && content.content.trim() !== "") {
+    return true;
+  }
+
+  if (content.embed && embedHasContent(content.embed)) {
+    return true;
+  }
+
+  return false;
+}

backend/src/utils/messageIsEmpty.ts

@@ -0,0 +1,6 @@
+import { MessageContent } from "eris";
+import { messageHasContent } from "./messageHasContent";
+
+export function messageIsEmpty(content: MessageContent): boolean {
+  return !messageHasContent(content);
+}