💄 display number of words in sentence

src/renderer/components/Editor/MarkdownEditor.tsx

@@ -677,6 +677,22 @@ function countWords(text: string): number {
   return text.trim() === '' ? 0 : text.trim().split(/\s+/).length
 }
 
+function getSentenceWordCount(text: string, pos: number): number {
+  // Scan back to find sentence start (after .!? followed by space, or paragraph break, or doc start)
+  let start = 0
+  for (let i = pos - 1; i >= 0; i--) {
+    if (text[i] === '\n' && i > 0 && text[i - 1] === '\n') { start = i + 1; break }
+    if (/[.!?]/.test(text[i]) && i + 1 < text.length && /\s/.test(text[i + 1])) { start = i + 1; break }
+  }
+  // Scan forward to find sentence end
+  let end = text.length
+  for (let i = pos; i < text.length; i++) {
+    if (text[i] === '\n' && i + 1 < text.length && text[i + 1] === '\n') { end = i; break }
+    if (/[.!?]/.test(text[i])) { end = i + 1; break }
+  }
+  return countWords(text.slice(start, end))
+}
+
 export function MarkdownEditor(): JSX.Element {
   const containerRef = useRef<HTMLDivElement>(null)
   const viewRef = useRef<EditorView | null>(null)
@@ -685,6 +701,7 @@ export function MarkdownEditor(): JSX.Element {
   const [pendingComment, setPendingComment] = useState<{ from: number; to: number; text: string } | null>(null)
   const [commentDraft, setCommentDraft] = useState('')
   const [wordStats, setWordStats] = useState<{ atCursor: number; total: number }>({ atCursor: 0, total: 0 })
+  const [sentenceWordCount, setSentenceWordCount] = useState<number>(0)
   const wordTotalRef = useRef(0)
   const { activeFilePath, activeFileContent, setContent, annotations, fontSize, theme, focusMode, scrollPositions, pendingScrollToLine, clearPendingScrollToLine, selectionWordCount, projectWordCount } = useEditorStore()
 
@@ -836,6 +853,8 @@ export function MarkdownEditor(): JSX.Element {
                 useEditorStore.getState().setSelectionWordCount(words)
               } else {
                 useEditorStore.getState().setSelectionWordCount(null)
+                const text = update.state.doc.toString()
+                setSentenceWordCount(getSentenceWordCount(text, to))
               }
             }
             // When the user Cmd+Z's through an Apply, invertedEffects fires a
@@ -1147,9 +1166,11 @@ export function MarkdownEditor(): JSX.Element {
       {activeFilePath && (
         <div className="editor-statusbar">
           <span>word {wordStats.atCursor.toLocaleString()} of {wordStats.total.toLocaleString()}</span>
-          {selectionWordCount !== null && (
+          {selectionWordCount !== null ? (
             <span className="statusbar-selection-wordcount">{selectionWordCount.toLocaleString()} selected</span>
-          )}
+          ) : sentenceWordCount > 0 ? (
+            <span className="statusbar-selection-wordcount">{sentenceWordCount} in sentence</span>
+          ) : null}
           <div className="statusbar-right">
             {(() => {
               const docWc = countWords(activeFileContent)