From a68a4540670b2d30502ed58df2ff70e61c7ade30 Mon Sep 17 00:00:00 2001
From: YiSheng <jiaojiaojiao.cpbr@gmail.com>
Date: Thu, 24 Oct 2024 18:02:01 +0800
Subject: [PATCH] fix: ios < 17 not support look behind

---
 packages/package.json                                |  2 +-
 .../simple-markdown/src/legacyMarkdownAdapter.ts     | 12 ++++++------
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/packages/package.json b/packages/package.json
index da038c81ab..62393d3da6 100644
--- a/packages/package.json
+++ b/packages/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@junyiacademy/perseus-core",
-  "version": "1.0.46",
+  "version": "1.0.47",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "license": "MIT",
diff --git a/packages/simple-markdown/src/legacyMarkdownAdapter.ts b/packages/simple-markdown/src/legacyMarkdownAdapter.ts
index d197c8e451..6a454cac92 100644
--- a/packages/simple-markdown/src/legacyMarkdownAdapter.ts
+++ b/packages/simple-markdown/src/legacyMarkdownAdapter.ts
@@ -1,18 +1,18 @@
 export const adaptLegacyMarkdown = (str: string) => {
     // heading 前只有一個 \n 時，將 \n 改為 \n\n
     const addedNewLineAboveHeadingStr = str.replace(
-        /(?<=[^\n]\n *)(#{1,6}.*)/g,
-        "\n$1",
+        /([^\n]\n *)(#{1,6}.*)/g,
+        "$1\n$2",
     );
     // heading 後只有一個 \n 時，將 \n 改為 \n\n
     const addedNewLineUnderHeadingStr = addedNewLineAboveHeadingStr.replace(
-        /(?<=\n *|^)(#{1,6}[^\n]*)(?=\n[^\n])/g,
-        "$1\n",
+        /(\n *|^)(#{1,6}[^\n]*)(?=\n[^\n])/g,
+        "$1$2\n",
     );
     // hr 後只有一個 \n 時，將 \n 改為 \n\n
     const addedNewLineUnderHrStr = addedNewLineUnderHeadingStr.replace(
-        /(?<=\n *)([-*_]{3,})(?=\n[^\n])/g,
-        "$1\n",
+        /(\n *)([-*_]{3,})(?=\n[^\n])/g,
+        "$1$2\n",
     );
 
     return addedNewLineUnderHrStr;