From 09c8fd35ac1e24416207feaae04a499768994498 Mon Sep 17 00:00:00 2001 From: Michael Howell Date: Thu, 14 Dec 2023 19:31:29 -0700 Subject: [PATCH] rustdoc-search: fix a race condition in search index loading `var` declare it in the global scope, and `const` does not. It needs to be declared in global scope. --- src/librustdoc/html/render/write_shared.rs | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/src/librustdoc/html/render/write_shared.rs b/src/librustdoc/html/render/write_shared.rs index 4b5d1c0d87c..c4a6e920031 100644 --- a/src/librustdoc/html/render/write_shared.rs +++ b/src/librustdoc/html/render/write_shared.rs @@ -297,7 +297,10 @@ fn add_path(self: &Rc, path: &Path) { .replace("\\\"", "\\\\\"") )); all_sources.sort(); - let mut v = String::from("const srcIndex = new Map(JSON.parse('[\\\n"); + // This needs to be `var`, not `const`. + // This variable needs declared in the current global scope so that if + // src-script.js loads first, it can pick it up. + let mut v = String::from("var srcIndex = new Map(JSON.parse('[\\\n"); v.push_str(&all_sources.join(",\\\n")); v.push_str("\\\n]'));\ncreateSrcSidebar();\n"); Ok(v.into_bytes()) @@ -317,7 +320,10 @@ fn add_path(self: &Rc, path: &Path) { // with rustdoc running in parallel. all_indexes.sort(); write_invocation_specific("search-index.js", &|| { - let mut v = String::from("const searchIndex = new Map(JSON.parse('[\\\n"); + // This needs to be `var`, not `const`. + // This variable needs declared in the current global scope so that if + // search.js loads first, it can pick it up. + let mut v = String::from("var searchIndex = new Map(JSON.parse('[\\\n"); v.push_str(&all_indexes.join(",\\\n")); v.push_str( r#"\