From 552143c875d4bd037ae9bbd73440dfc77c6e6dee Mon Sep 17 00:00:00 2001
From: Guillaume Gomez <guillaume.gomez@huawei.com>
Date: Fri, 15 Dec 2023 12:26:09 +0100
Subject: [PATCH] Simplify `src-script.js` code

---
 src/librustdoc/html/static/js/src-script.js | 15 +++------------
 1 file changed, 3 insertions(+), 12 deletions(-)

diff --git a/src/librustdoc/html/static/js/src-script.js b/src/librustdoc/html/static/js/src-script.js
index 27b5cf1e2ae..8b7a9161d71 100644
--- a/src/librustdoc/html/static/js/src-script.js
+++ b/src/librustdoc/html/static/js/src-script.js
@@ -131,12 +131,8 @@ function createSrcSidebar() {
     }
 }
 
-const lineNumbersRegex = /^#?(\d+)(?:-(\d+))?$/;
-
-function highlightSrcLines(match) {
-    if (typeof match === "undefined") {
-        match = window.location.hash.match(lineNumbersRegex);
-    }
+function highlightSrcLines() {
+    const match = window.location.hash.match(/^#?(\d+)(?:-(\d+))?$/);
     if (!match) {
         return;
     }
@@ -218,12 +214,7 @@ const handleSrcHighlight = (function() {
     };
 }());
 
-window.addEventListener("hashchange", () => {
-    const match = window.location.hash.match(lineNumbersRegex);
-    if (match) {
-        return highlightSrcLines(match);
-    }
-});
+window.addEventListener("hashchange", highlightSrcLines);
 
 onEachLazy(document.getElementsByClassName("src-line-numbers"), el => {
     el.addEventListener("click", handleSrcHighlight);