1 files changed, 31 insertions, 0 deletions
diff --git a/test/js/deno/scripts/postinstall.ts b/test/js/deno/scripts/postinstall.ts
new file mode 100644
index 000000000..4031b29df
--- /dev/null
+++ b/test/js/deno/scripts/postinstall.ts
@@ -0,0 +1,31 @@
+import { mkdirSync } from "node:fs";
+import { join, dirname } from "node:path";
+import imports from "../resources/imports.json";
+import tests from "../resources/tests.json";
+
+for (const test of tests) {
+  const path = join(import.meta.dir, "..", test.path);
+  const url = new URL(
+    test.remotePath,
+    "https://raw.githubusercontent.com/denoland/deno/main/cli/tests/"
+  );
+  const response = await fetch(url);
+  console.log(response.status, url.toString(), "->", test.path);
+  if (!response.ok) {
+    throw new Error(
+      `Failed to download from GitHub: ${url} [status: ${response.status}]`
+    );
+  }
+  let body = await response.text();
+  for (const query of imports) {
+    const pattern = new RegExp(`"(.*${query})"`, "gmi");
+    body = body.replace(pattern, "\"deno:harness\"");
+  }
+  const src = `// Updated: ${response.headers.get("Date")}
+// URL: ${url}
+${body}`;
+  try {
+    mkdirSync(dirname(path));
+  } catch {}
+  await Bun.write(path, src);
+}