Work around false js/useless-assignment-to-local violation from CodeQL.

CHANGELOG.md

@@ -2,9 +2,10 @@
 
 ## 0.37.0
 
-- Convert to ECMAScript module, for guidance see:
+- Convert module to ECMAScript (breaking change)
   - <https://nodejs.org/docs/latest/api/esm.html>
   - <https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c>
+- Convert module to named exports (breaking change)
 
 ## 0.36.1
 

test/markdownlint-test.mjs

@@ -1386,17 +1386,19 @@ test("exportMappings", (t) => {
   );
 });
 
-// const commonJsRe = /\.js$/u;
 const jsonRe = /\.json$/u;
 const importOptionsJson = { "with": { "type": "json" } };
 
+const makeExportMappingTest = (exportName, exportPath) => async(t) => {
+  const json = jsonRe.test(exportPath);
+  const importOptions = json ? importOptionsJson : undefined;
+  const [ importExportName, importExportPath ] = await Promise.all([
+    import(exportName.replace(/^\./u, packageJson.name), importOptions),
+    import(exportPath, importOptions)
+  ]);
+  t.is(importExportName, importExportPath);
+};
+
 for (const [ exportName, exportPath ] of exportMappings) {
-  test(exportName, async(t) => {
-    // const commonJs = !commonJsRe.test(exportPath);
-    const json = jsonRe.test(exportPath);
-    const importOptions = json ? importOptionsJson : undefined;
-    const importExportName = await import(exportName.replace(/^\./u, packageJson.name), importOptions);
-    const importExportPath = await import(exportPath, importOptions);
-    t.is(importExportName, importExportPath);
-  });
+  test(exportName, makeExportMappingTest(exportName, exportPath));
 }