From 6364d0a92f72afe364b2bdf74f392fc782aa4305 Mon Sep 17 00:00:00 2001
From: murgatroid99 <mlumish@google.com>
Date: Wed, 17 Oct 2018 15:33:57 -0700
Subject: [PATCH] @grpc/proto-loader: Fix absolute path handling and improve
 reporting of loading failures

---
 packages/grpc-protobufjs/src/index.ts | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/packages/grpc-protobufjs/src/index.ts b/packages/grpc-protobufjs/src/index.ts
index bb757762..099f990c 100644
--- a/packages/grpc-protobufjs/src/index.ts
+++ b/packages/grpc-protobufjs/src/index.ts
@@ -119,6 +119,9 @@ function createPackageDefinition(root: Protobuf.Root, options: Options): Package
 
 function addIncludePathResolver(root: Protobuf.Root, includePaths: string[]) {
   root.resolvePath = (origin: string, target: string) => {
+    if (path.isAbsolute(target)) {
+      return target;
+    }
     for (const directory of includePaths) {
       const fullPath: string = path.join(directory, target);
       try {
@@ -128,7 +131,7 @@ function addIncludePathResolver(root: Protobuf.Root, includePaths: string[]) {
         continue;
       }
     }
-    return null;
+    throw new Error(`Could not find file ${target}`);
   };
 }