From 16961776feac78090a4d7f41c8251eaa9b1a00fa Mon Sep 17 00:00:00 2001
From: Pierre Ricadat <ghostdogpr@gmail.com>
Date: Mon, 4 Oct 2021 22:28:28 +0900
Subject: [PATCH] Fix fragment spreads parsing in Scala 3

---
 core/src/main/scala-3/caliban/parsing/Parser.scala   | 2 +-
 core/src/test/scala/caliban/parsing/ParserSpec.scala | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/core/src/main/scala-3/caliban/parsing/Parser.scala b/core/src/main/scala-3/caliban/parsing/Parser.scala
index 663e2b61f..77787a021 100644
--- a/core/src/main/scala-3/caliban/parsing/Parser.scala
+++ b/core/src/main/scala-3/caliban/parsing/Parser.scala
@@ -286,7 +286,7 @@ object Parser {
   private val fragmentName: P[String] = name.filter(_ != "on")
 
   private val fragmentSpread: P[FragmentSpread] =
-    ((P.string("...").soft *> fragmentName <* whitespaceWithComment) ~ directives.?).map { case (name, dirs) =>
+    ((P.string("...").soft *> fragmentName <* whitespaceWithComment).backtrack ~ directives.?).map { case (name, dirs) =>
       FragmentSpread(name, dirs.getOrElse(Nil))
     }
 
diff --git a/core/src/test/scala/caliban/parsing/ParserSpec.scala b/core/src/test/scala/caliban/parsing/ParserSpec.scala
index c30653883..402a9fe80 100644
--- a/core/src/test/scala/caliban/parsing/ParserSpec.scala
+++ b/core/src/test/scala/caliban/parsing/ParserSpec.scala
@@ -324,7 +324,7 @@ object ParserSpec extends DefaultRunnableSpec {
         val query = """query inlineFragmentTyping {
                       |  profiles(handles: ["zuck", "cocacola"]) {
                       |    handle
-                      |    ... on User {
+                      |    ...on User {
                       |      friends {
                       |        count
                       |      }
@@ -350,13 +350,13 @@ object ParserSpec extends DefaultRunnableSpec {
                       Some(NamedType("User", nonNull = false)),
                       Nil,
                       List(
-                        simpleField("friends", selectionSet = List(simpleField("count", index = 126)), index = 108)
+                        simpleField("friends", selectionSet = List(simpleField("count", index = 125)), index = 107)
                       )
                     ),
                     InlineFragment(
                       Some(NamedType("Page", nonNull = false)),
                       Nil,
-                      List(simpleField("likers", selectionSet = List(simpleField("count", index = 187)), index = 170))
+                      List(simpleField("likers", selectionSet = List(simpleField("count", index = 186)), index = 169))
                     )
                   ),
                   index = 31