Request read and env permissions if not already granted.

minimal_dotenv.ts

@@ -4,6 +4,25 @@
  * @param filename An optional file name to use instead of `.env`.
  */
 export default async function minimal_dotenv(filename = ".env"): Promise<void> {
+  // Request permission to read the .env file.
+  const readPermission = await Deno.permissions.request({
+    name: "read",
+    path: filename,
+  });
+  if (readPermission.state !== "granted") {
+    throw new Error(
+      "Read permission not granted (use --allow-read to skip the prompt)",
+    );
+  }
+
+  // Request permission to access the environment.
+  const envPermission = await Deno.permissions.request({ name: "env" });
+  if (envPermission.state !== "granted") {
+    throw new Error(
+      "Environment permission not granted (use --allow-env to skip the prompt)",
+    );
+  }
+
   // Read and decode the .env file.
   const decoder = new TextDecoder("utf8");
   const contents = decoder.decode(await Deno.readFile(filename));