CR changes

Author: RyanCavanaugh

src/compiler/program.ts

@@ -1031,7 +1031,9 @@ namespace ts {
         // Walk the primary type lookup locations
         let result: string[] = [];
         if (host.directoryExists && host.getDirectories) {
-            for (const root of options.typeRoots || defaultTypeRoots) {
+            const typeRoots = options.typeRoots ||
+                defaultTypeRoots.map(d => combinePaths(options.configFilePath ? getDirectoryPath(options.configFilePath) : host.getCurrentDirectory(), d));
+            for (const root of typeRoots) {
                 if (host.directoryExists(root)) {
                     result = result.concat(host.getDirectories(root));
                 }

tests/baselines/reference/typingsLookup1.trace.json

@@ -14,5 +14,21 @@
     "File '/node_modules/@types/jquery/package.json' does not exist.",
     "File '/node_modules/@types/jquery/index.ts' does not exist.",
     "File '/node_modules/@types/jquery/index.d.ts' exist - use it as a name resolution result.",
+    "======== Type reference directive 'jquery' was successfully resolved to '/node_modules/@types/jquery/index.d.ts', primary: false. ========",
+    "======== Resolving type reference directive 'jquery', containing file '/__inferred type names__.ts', root directory 'node_modules/@types'. ========",
+    "Resolving with primary search path 'node_modules/@types'",
+    "File 'node_modules/@types/jquery/package.json' does not exist.",
+    "File 'node_modules/@types/jquery/index.d.ts' does not exist.",
+    "Looking up in 'node_modules' folder, initial location '/'",
+    "File '/node_modules/jquery.ts' does not exist.",
+    "File '/node_modules/jquery.d.ts' does not exist.",
+    "File '/node_modules/jquery/package.json' does not exist.",
+    "File '/node_modules/jquery/index.ts' does not exist.",
+    "File '/node_modules/jquery/index.d.ts' does not exist.",
+    "File '/node_modules/@types/jquery.ts' does not exist.",
+    "File '/node_modules/@types/jquery.d.ts' does not exist.",
+    "File '/node_modules/@types/jquery/package.json' does not exist.",
+    "File '/node_modules/@types/jquery/index.ts' does not exist.",
+    "File '/node_modules/@types/jquery/index.d.ts' exist - use it as a name resolution result.",
     "======== Type reference directive 'jquery' was successfully resolved to '/node_modules/@types/jquery/index.d.ts', primary: false. ========"
 ]

tests/cases/conformance/references/library-reference-6.ts

@@ -13,7 +13,4 @@ var x: string = alpha.a;
 
 // @filename: /tsconfig.json
 {
-	"compilerOptions": {
-		"typesRoot": "types"
-	}
 }