When resolving source maps, ignore leading dirname

These may be outputted by esbuild when using its `--public-path` option
rails · Sep 2, 2023 · 52c06d1 · 52c06d1
1 parent dd32663
commit 52c06d1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/propshaft/compiler/source_mapping_urls.rb b/lib/propshaft/compiler/source_mapping_urls.rb
@@ -3,7 +3,7 @@
 require "propshaft/compiler"
 
 class Propshaft::Compiler::SourceMappingUrls < Propshaft::Compiler
-  SOURCE_MAPPING_PATTERN = %r{^(//|/\*)# sourceMappingURL=(.+\.map)}
+  SOURCE_MAPPING_PATTERN = %r{^(//|/\*)# sourceMappingURL=(?:.*\/)?(.*\.map)}
 
   def compile(logical_path, input)
     input.gsub(SOURCE_MAPPING_PATTERN) { source_mapping_url(asset_path($2, logical_path), $1) }