From e228f2caa6c849afa8f139939711e52a601fa0aa Mon Sep 17 00:00:00 2001
From: Filipe Silva <filipematossilva@gmail.com>
Date: Fri, 18 Aug 2017 16:53:08 +0100
Subject: [PATCH] fix(compiler-cli): use forward slashes for
 ts.resolveModuleName (#18784)

Windows paths have back slashes, but TypeScript expects to always have forward slashes.

In other places where this call happens (like `src/compiler_host.ts`) the same fix is present.

PR Close #18784
---
 packages/compiler-cli/src/transformers/compiler_host.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/compiler-cli/src/transformers/compiler_host.ts b/packages/compiler-cli/src/transformers/compiler_host.ts
index 74b319838d..9d07cbfc4f 100644
--- a/packages/compiler-cli/src/transformers/compiler_host.ts
+++ b/packages/compiler-cli/src/transformers/compiler_host.ts
@@ -61,8 +61,8 @@ class CompilerHostMixin {
       containingFile = path.join(this.basePath, 'index.ts');
     }
     const resolved = ts.resolveModuleName(
-                           m, containingFile, this.options, this.moduleResolutionHost,
-                           this.moduleResolutionCache)
+                           m, containingFile.replace(/\\/g, '/'), this.options,
+                           this.moduleResolutionHost, this.moduleResolutionCache)
                          .resolvedModule;
     if (resolved) {
       if (this.options.traceResolution) {