From b94219512f8ce500463a647b09552a5185520732 Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@gmail.com>
Date: Sat, 25 Mar 2023 14:42:28 -0300
Subject: [PATCH] do not act on input blank.

---
 src/main/scala/Main.scala   | 2 +-
 src/main/scala/Parser.scala | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/main/scala/Main.scala b/src/main/scala/Main.scala
index 3a6007b..0881c0e 100644
--- a/src/main/scala/Main.scala
+++ b/src/main/scala/Main.scala
@@ -85,7 +85,7 @@ object Main extends IOWebApp {
             cls := "w-full max-h-96 p-3 rounded",
             styleAttr := "min-height: 280px; font-family: monospace",
             spellCheck := false,
-            placeholder := "paste something nostric",
+            placeholder := "paste something nostric (event JSON, nprofile, npub, nevent etc or hex key or id)",
             onInput --> (_.foreach(_ =>
               self.value.get.flatMap(store.input.set)
             )),
diff --git a/src/main/scala/Parser.scala b/src/main/scala/Parser.scala
index 2de17f4..adf0090 100644
--- a/src/main/scala/Parser.scala
+++ b/src/main/scala/Parser.scala
@@ -12,7 +12,8 @@ type Result = Either[
 ]
 
 object Parser {
-  def parseInput(input: String): Result =
+  def parseInput(input: String): Result = if input == "" then Left("")
+  else
     ByteVector
       .fromHex(input)
       .flatMap(b => Try(Right(ByteVector32(b))).toOption)