Add node:test:cp package.json script

package.json

@@ -76,6 +76,7 @@
     "zig-format:check": "bun run analysis:no-llvm --target zig-format-check",
     "prettier": "bunx prettier@latest --plugin=prettier-plugin-organize-imports --config .prettierrc --write scripts packages src docs 'test/**/*.{test,spec}.{ts,tsx,js,jsx,mts,mjs,cjs,cts}' '!test/**/*fixture*.*'",
     "node:test": "node ./scripts/runner.node.mjs --quiet --exec-path=$npm_execpath --node-tests ",
+    "node:test:cp": "bun ./scripts/fetch-node-test.ts ",
     "clean:zig": "rm -rf build/debug/cache/zig build/debug/CMakeCache.txt 'build/debug/*.o' .zig-cache zig-out || true",
     "sync-webkit-source": "bun ./scripts/sync-webkit-source.ts"
   }

scripts/fetch-node-test.ts

@@ -0,0 +1,112 @@
+import { mkdirSync, writeFileSync } from "fs";
+import path, { dirname, join } from "path";
+
+const options: RequestInit = {};
+
+if (process.env.GITHUB_TOKEN) {
+  options.headers = {
+    Authorization: `Bearer ${process.env.GITHUB_TOKEN}`,
+  };
+}
+
+async function fetchNodeTest(testName: string) {
+  const nodeRepoUrl = "https://raw.githubusercontent.com/nodejs/node/main";
+  const extensions = ["js", "mjs", "ts"];
+  const testDirs = ["test/parallel", "test/sequential"];
+
+  // Try different combinations of test name patterns
+  const testNameVariations = [
+    testName,
+    testName.startsWith("test-") ? testName : `test-${testName}`,
+    testName.replace(/^test-/, ""),
+  ];
+
+  for (const testDir of testDirs) {
+    for (const nameVariation of testNameVariations) {
+      // Try with extensions
+      for (const ext of extensions) {
+        const testPath = `${testDir}/${nameVariation}.${ext}`;
+        const url = `${nodeRepoUrl}/${testPath}`;
+
+        try {
+          console.log(`Trying: ${url}`);
+          const response = await fetch(url, options);
+          if (response.ok) {
+            const content = await response.text();
+            const localPath = join("test/js/node", testPath);
+
+            // Create directory if it doesn't exist
+            mkdirSync(dirname(localPath), { recursive: true });
+
+            // Write the file
+            writeFileSync(localPath, content);
+            console.log(
+              `✅ Successfully fetched and saved: ${localPath} (${new Intl.NumberFormat("en-US", {
+                notation: "compact",
+                unit: "kilobyte",
+              }).format(Buffer.byteLength(content, "utf-8"))})`,
+            );
+            return localPath;
+          }
+        } catch (error) {
+          // Continue to next variation
+        }
+      }
+
+      // Try without extension
+      const testPath = `${testDir}/${nameVariation}`;
+      const url = `${nodeRepoUrl}/${testPath}`;
+
+      try {
+        console.log(`Trying: ${url}`);
+        const response = await fetch(url, options);
+        if (response.ok) {
+          const content = await response.text();
+          const localPath = join("test/js/node", testPath);
+
+          // Create directory if it doesn't exist
+          mkdirSync(dirname(localPath), { recursive: true });
+
+          // Write the file
+          writeFileSync(localPath, content);
+          console.log(
+            `✅ Successfully fetched and saved: ${localPath} (${new Intl.NumberFormat("en-US", {
+              notation: "compact",
+              unit: "kilobyte",
+            }).format(Buffer.byteLength(content, "utf-8"))})`,
+          );
+          return localPath;
+        }
+      } catch (error) {
+        // Continue to next variation
+      }
+    }
+  }
+
+  throw new Error(`❌ Could not find test: ${testName}`);
+}
+
+// Get test name from command line arguments
+let testName = process.argv[2];
+
+if (testName.startsWith(path.join(import.meta.dirname, ".."))) {
+  testName = testName.slice(path.join(import.meta.dirname, "..").length);
+}
+
+if (testName.startsWith("test/parallel/")) {
+  testName = testName.replace("test/parallel/", "");
+} else if (testName.startsWith("test/sequential/")) {
+  testName = testName.replace("test/sequential/", "");
+}
+
+if (!testName) {
+  console.error("Usage: bun scripts/fetch-node-test.ts <test-name>");
+  process.exit(1);
+}
+
+try {
+  await fetchNodeTest(testName);
+} catch (error) {
+  console.error(error.message);
+  process.exit(1);
+}