From b8f8f35b6fed3a546d56f1df23d2e0270601463d Mon Sep 17 00:00:00 2001
From: Andrew Branch <andrew@wheream.io>
Date: Sat, 18 May 2019 12:28:57 -0700
Subject: [PATCH 1/2] Fix type reference directive resolution

---
 src/servicesHost.ts | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/servicesHost.ts b/src/servicesHost.ts
index 53e41063e..f54e9d71c 100644
--- a/src/servicesHost.ts
+++ b/src/servicesHost.ts
@@ -69,7 +69,9 @@ export function makeServicesHost(
     fileExists,
     readFile: readFileWithFallback,
     realpath: compiler.sys.realpath,
-    directoryExists: compiler.sys.directoryExists
+    directoryExists: compiler.sys.directoryExists,
+    getCurrentDirectory: compiler.sys.getCurrentDirectory,
+    getDirectories: compiler.sys.getDirectories
   };
 
   const clearCache = enableFileCaching ? addCache(moduleResolutionHost) : null;
@@ -187,8 +189,11 @@ function makeResolvers(
   ): (typescript.ResolvedTypeReferenceDirective | undefined)[] =>
     typeDirectiveNames.map(
       directive =>
-        resolveTypeReferenceDirective(directive, containingFile)
-          .resolvedTypeReferenceDirective
+        resolveTypeReferenceDirective(
+          directive,
+          containingFile,
+          _redirectedReference
+        ).resolvedTypeReferenceDirective
     );
 
   const resolveModuleName = makeResolveModuleName(
@@ -500,7 +505,8 @@ export function makeWatchHost(
 
 type ResolveTypeReferenceDirective = (
   directive: string,
-  containingFile: string
+  containingFile: string,
+  redirectedReference?: typescript.ResolvedProjectReference
 ) => typescript.ResolvedTypeReferenceDirectiveWithFailedLookupLocations;
 
 function makeResolveTypeReferenceDirective(
@@ -512,16 +518,17 @@ function makeResolveTypeReferenceDirective(
     | undefined
 ): ResolveTypeReferenceDirective {
   if (customResolveTypeReferenceDirective === undefined) {
-    return (directive: string, containingFile: string) =>
+    return (directive, containingFile, redirectedReference) =>
       compiler.resolveTypeReferenceDirective(
         directive,
         containingFile,
         compilerOptions,
-        moduleResolutionHost
+        moduleResolutionHost,
+        redirectedReference
       );
   }
 
-  return (directive: string, containingFile: string) =>
+  return (directive, containingFile) =>
     customResolveTypeReferenceDirective(
       directive,
       containingFile,

From 658d474bd1c77b6c02236f43b649000d69aad74e Mon Sep 17 00:00:00 2001
From: Andrew Branch <andrew@wheream.io>
Date: Sat, 18 May 2019 14:51:29 -0700
Subject: [PATCH 2/2] Bump package.json and CHANGELOG

---
 CHANGELOG.md | 4 ++++
 package.json | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 23f222fbf..955c31481 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## v6.0.1
+
+* [Fix issue with `resolveTypeReferenceDirective` causing errors like `Cannot find name 'it'` with Jest](https://github.com/TypeStrong/ts-loader/pull/936) (#934) (#919) - thanks @andrewbranch!
+
 ## v6.0.0
 
 * [Drop support for node < 8.6 related to micromatch upgrade to 4](https://github.com/TypeStrong/ts-loader/pull/930); see: https://github.com/TypeStrong/ts-loader/issues/929
diff --git a/package.json b/package.json
index e266da418..95fd69457 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ts-loader",
-  "version": "6.0.0",
+  "version": "6.0.1",
   "description": "TypeScript loader for webpack",
   "main": "index.js",
   "types": "dist/types/index.d.ts",