From 66d594acd4cebe38faf099b35af11507ecefe12b Mon Sep 17 00:00:00 2001
From: vanyauhalin <ivan.uhalin@onlyoffice.com>
Date: Thu, 12 Dec 2024 18:43:08 +0400
Subject: [PATCH] temp: add mdast-util-first-sentence package x3

---
 .../mdast-util-first-sentence/lib/main.test.ts     |  1 +
 packages/mdast-util-first-sentence/lib/main.ts     | 14 +++++++++++---
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/packages/mdast-util-first-sentence/lib/main.test.ts b/packages/mdast-util-first-sentence/lib/main.test.ts
index f03b30f34..aedb05fdc 100644
--- a/packages/mdast-util-first-sentence/lib/main.test.ts
+++ b/packages/mdast-util-first-sentence/lib/main.test.ts
@@ -14,6 +14,7 @@ const cs: [string, string][] = [
   ["**a. b**", "**a.**"],
   ["**a*b. c*d**", "**a*b.***"],
   ["A container. Box", "A container."],
+  ["on `I`", "on `I`."],
 ]
 
 for (const [a, e] of cs) {
diff --git a/packages/mdast-util-first-sentence/lib/main.ts b/packages/mdast-util-first-sentence/lib/main.ts
index 52a2a45b6..2d986b4d0 100644
--- a/packages/mdast-util-first-sentence/lib/main.ts
+++ b/packages/mdast-util-first-sentence/lib/main.ts
@@ -4,7 +4,13 @@ import {
   isParagraphNode,
   isParentNode,
 } from "@onlyoffice/mdast-util-is-node"
-import {type Node, type Parent, type Root, type RootContent} from "mdast"
+import {
+  type Node,
+  type Parent,
+  type Root,
+  type RootContent,
+  type Text,
+} from "mdast"
 import {toString} from "mdast-util-to-string"
 import {split} from "sentence-splitter"
 import {English} from "sentence-splitter/lang"
@@ -54,10 +60,12 @@ function append(c: {s: string}, r: Parent, n: unknown): void {
     }
 
     if (!c.s && !t.value.endsWith(".")) {
-      t.value += "."
+      const d: Text = {type: "text", value: "."}
+      r.children.push(t as RootContent, d)
+    } else {
+      r.children.push(t as RootContent)
     }
 
-    r.children.push(t as RootContent)
     return
   }