diff --git a/src/Symfony/Component/AssetMapper/ImportMap/Resolver/JsDelivrEsmResolver.php b/src/Symfony/Component/AssetMapper/ImportMap/Resolver/JsDelivrEsmResolver.php
index dae1a3d1a8656..bbc9199cc7c08 100644
--- a/src/Symfony/Component/AssetMapper/ImportMap/Resolver/JsDelivrEsmResolver.php
+++ b/src/Symfony/Component/AssetMapper/ImportMap/Resolver/JsDelivrEsmResolver.php
@@ -248,7 +248,10 @@ private function makeImportsBare(string $content, array &$dependencies): string
}, $content);
// source maps are not also downloaded - so remove the sourceMappingURL
- $content = preg_replace('{//# sourceMappingURL=.*$}m', '', $content);
+ // remove the final one only (in case sourceMappingURL is used in the code)
+ if (false !== $lastPos = strrpos($content, '//# sourceMappingURL=')) {
+ $content = substr($content, 0, $lastPos).preg_replace('{//# sourceMappingURL=.*$}m', '', substr($content, $lastPos));
+ }
return preg_replace('{/\*# sourceMappingURL=[^ ]*+ \*/}', '', $content);
}
diff --git a/src/Symfony/Component/AssetMapper/Tests/ImportMap/Resolver/JsDelivrEsmResolverTest.php b/src/Symfony/Component/AssetMapper/Tests/ImportMap/Resolver/JsDelivrEsmResolverTest.php
index 1c2ac78d0d2f4..121e80a3a0b3a 100644
--- a/src/Symfony/Component/AssetMapper/Tests/ImportMap/Resolver/JsDelivrEsmResolverTest.php
+++ b/src/Symfony/Component/AssetMapper/Tests/ImportMap/Resolver/JsDelivrEsmResolverTest.php
@@ -430,7 +430,30 @@ public static function provideDownloadPackagesTests()
],
];
- yield 'css file removes importmap' => [
+ yield 'js sourcemap is correctly removed when sourceMapping appears in the JS' => [
+ [
+ 'es-module-shims' => self::createRemoteEntry('es-module-shims', version: '1.8.2'),
+ ],
+ [
+ [
+ 'url' => '/es-module-shims@1.8.2/+esm',
+ 'body' => <<<'EOF'
+const je="\n//# sourceURL=",Ue="\n//# sourceMappingURL=",Me=/^(text|application)\/(x-)?javascript(;|$)/,_e=/^(application)\/wasm(;|$)/,Ie=/^(text|application)\/json(;|$)/,Re=/^(text|application)\/css(;|$)/,Te=/url\(\s*(?:(["'])((?:\\.|[^\n\\"'])+)\1|((?:\\.|[^\s,"'()\\])+))\s*\)/g;export{t as default};
+//# sourceMappingURL=/sm/ef3916de598f421a779ba0e69af94655b2043095cde2410cc01893452d893338.map
+EOF
+ ],
+ ],
+ [
+ 'es-module-shims' => [
+ 'content' => <<<'EOF'
+const je="\n//# sourceURL=",Ue="\n//# sourceMappingURL=",Me=/^(text|application)\/(x-)?javascript(;|$)/,_e=/^(application)\/wasm(;|$)/,Ie=/^(text|application)\/json(;|$)/,Re=/^(text|application)\/css(;|$)/,Te=/url\(\s*(?:(["'])((?:\\.|[^\n\\"'])+)\1|((?:\\.|[^\s,"'()\\])+))\s*\)/g;export{t as default};
+EOF,
+ 'dependencies' => [],
+ ],
+ ],
+ ];
+
+ yield 'css file removes sourcemap' => [
['lodash' => self::createRemoteEntry('bootstrap/dist/bootstrap.css', version: '5.0.6', type: ImportMapType::CSS)],
[
[
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