From da6d74a86e208cc5dc0a83718fb9122ca31addd4 Mon Sep 17 00:00:00 2001
From: Filipe Silva <filipematossilva@gmail.com>
Date: Tue, 5 Nov 2019 15:15:11 +0000
Subject: [PATCH] fix(@ngtools/webpack): fix resource dep lookup on windows

Fix https://github.com/angular/angular-cli/issues/15863
---
 packages/ngtools/webpack/src/angular_compiler_plugin.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/packages/ngtools/webpack/src/angular_compiler_plugin.ts b/packages/ngtools/webpack/src/angular_compiler_plugin.ts
index 13415446ed13..6891427808e5 100644
--- a/packages/ngtools/webpack/src/angular_compiler_plugin.ts
+++ b/packages/ngtools/webpack/src/angular_compiler_plugin.ts
@@ -1258,8 +1258,10 @@ export class AngularCompilerPlugin {
     if (!this._resourceLoader) {
       return [];
     }
+    // The source loader uses TS-style forward slash paths for all platforms.
+    const resolvedFileName = forwardSlashPath(fileName);
 
-    return this._resourceLoader.getResourceDependencies(fileName);
+    return this._resourceLoader.getResourceDependencies(resolvedFileName);
   }
 
   // This code mostly comes from `performCompilation` in `@angular/compiler-cli`.