feat: add shortcut key support for posting

src/components/PostEditor/PostTextarea/index.tsx

@@ -11,11 +11,11 @@ import { EditorContent, useEditor } from '@tiptap/react'
 import { Event } from 'nostr-tools'
 import { Dispatch, forwardRef, SetStateAction, useImperativeHandle } from 'react'
 import { useTranslation } from 'react-i18next'
+import { usePostEditor } from '../PostEditorProvider'
 import CustomMention from './CustomMention'
 import { FileHandler } from './FileHandler'
 import Preview from './Preview'
 import suggestion from './suggestion'
-import { usePostEditor } from '../PostEditorProvider'
 
 export type TPostTextareaHandle = {
   appendText: (text: string) => void
@@ -28,8 +28,9 @@ const PostTextarea = forwardRef<
     setText: Dispatch<SetStateAction<string>>
     defaultContent?: string
     parentEvent?: Event
+    onSubmit?: () => void
   }
->(({ text = '', setText, defaultContent, parentEvent }, ref) => {
+>(({ text = '', setText, defaultContent, parentEvent, onSubmit }, ref) => {
   const { t } = useTranslation()
   const { setUploadingFiles } = usePostEditor()
   const editor = useEditor({
@@ -54,6 +55,15 @@ const PostTextarea = forwardRef<
       attributes: {
         class:
           'border rounded-lg p-3 min-h-52 focus-visible:outline-none focus-visible:ring-1 focus-visible:ring-ring'
+      },
+      handleKeyDown: (_view, event) => {
+        // Handle Ctrl+Enter or Cmd+Enter for submit
+        if ((event.ctrlKey || event.metaKey) && event.key === 'Enter') {
+          event.preventDefault()
+          onSubmit?.()
+          return true
+        }
+        return false
       }
     },
     content: postContentCache.getPostCache({ defaultContent, parentEvent }),