Re-write suggestions

src/lib/editor/extensions/BreakOrSubmit.ts

@@ -0,0 +1,31 @@
+import {HardBreak, type HardBreakOptions} from "@tiptap/extension-hard-break"
+
+export interface BreakOrSubmitOptions extends HardBreakOptions {
+  /** Handler for when enter is pressed. */
+  submit: () => void
+
+  /** Whether to call `submit` on unmodified Enter */
+  aggressive?: boolean
+}
+
+export const BreakOrSubmit = HardBreak.extend<BreakOrSubmitOptions>({
+  addKeyboardShortcuts() {
+    return {
+      "Shift-Enter": () => this.editor.commands.setHardBreak(),
+      "Mod-Enter": () => {
+        this.options.submit()
+
+        return true
+      },
+      Enter: () => {
+        if (this.options.aggressive) {
+          this.options.submit()
+
+          return true
+        }
+
+        return false
+      },
+    }
+  },
+})