From c436d270b5ff435912074948a847f2f47c93bc1e Mon Sep 17 00:00:00 2001
From: leonard <leonard@linters.de>
Date: Sun, 13 Dec 2020 19:44:23 +0100
Subject: [PATCH] Check for permissions in the render function

---
 aqua.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/aqua.ts b/aqua.ts
index bf87a0c..0552796 100644
--- a/aqua.ts
+++ b/aqua.ts
@@ -131,7 +131,11 @@ export default class Aqua {
     public async render(filePath: string): Promise<string> {
         try {
             return this.textDecoder.decode(await Deno.readFile(filePath));
-        }catch {
+        }catch(error) {
+            if (error instanceof Deno.errors.PermissionDenied) {
+                return "Please run your application with the '--allow-read' flag.";
+            }
+
             return "Could not render file.";
         }
     }