From bc9ff879e6a24078ea44c593d7dfb7268f75454e Mon Sep 17 00:00:00 2001
From: Vladimir Krivosheev <vladimir.krivosheev@jetbrains.com>
Date: Mon, 28 Jul 2014 16:24:46 +0200
Subject: [PATCH] skip empty map

---
 .../org/jetbrains/debugger/sourcemap/SourceMapDecoder.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/platform/script-debugger/backend/src/org/jetbrains/debugger/sourcemap/SourceMapDecoder.java b/platform/script-debugger/backend/src/org/jetbrains/debugger/sourcemap/SourceMapDecoder.java
index 431a1156ae89..c033a6979f09 100644
--- a/platform/script-debugger/backend/src/org/jetbrains/debugger/sourcemap/SourceMapDecoder.java
+++ b/platform/script-debugger/backend/src/org/jetbrains/debugger/sourcemap/SourceMapDecoder.java
@@ -135,6 +135,10 @@ public final class SourceMapDecoder {
     }
 
     List<String> sources = readSources(sourcesReader, sourceRoot);
+    if (sources.isEmpty()) {
+      // empty map, meteor can report such ugly maps
+      return null;
+    }
 
     @SuppressWarnings("unchecked")
     List<MappingEntry>[] reverseMappingsBySourceUrl = new List[sources.size()];