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src/compiler/commandLineParser.ts

@@ -1289,14 +1289,18 @@ namespace ts {
 
     function getWildcardDirectoryFromSpec(spec: string, useCaseSensitiveFileNames: boolean): { key: string, flags: WatchDirectoryFlags } | undefined {
         const match = wildcardDirectoryPattern.exec(spec);
-        return match
-            ? {
+        if (match) {
+            return {
                 key: useCaseSensitiveFileNames ? match[0] : match[0].toLowerCase(),
                 flags: watchRecursivePattern.test(spec) ? WatchDirectoryFlags.Recursive : WatchDirectoryFlags.None
-            }
-            : isImplicitGlob(spec)
-            ? { key: spec, flags: WatchDirectoryFlags.Recursive }
-            : undefined;
+            };
+        }
+        else if (isImplicitGlob(spec)) {
+            return { key: spec, flags: WatchDirectoryFlags.Recursive };
+        }
+        else {
+            return undefined;
+        }
     }
 
     /**

src/compiler/core.ts

@@ -1182,13 +1182,13 @@ namespace ts {
      */
     export function getDirectoryPath(path: Path): Path;
     export function getDirectoryPath(path: string): string;
-    export function getDirectoryPath(path: string): any {
+    export function getDirectoryPath(path: string): string {
         return path.substr(0, Math.max(getRootLength(path), path.lastIndexOf(directorySeparator)));
     }
 
     function getBasename(path: Path): Path;
     function getBasename(path: string): string;
-    function getBasename(path: string): any {
+    function getBasename(path: string): string {
         return path.substr(Math.max(getRootLength(path), path.lastIndexOf(directorySeparator)));
     }
 
@@ -1519,7 +1519,7 @@ namespace ts {
     }
 
     /**
-     * An "includes" path "foo" is implicitly a glob "foo\**\*" (replace \ with /) if its last component has no extension,
+     * An "includes" path "foo" is implicitly a glob "foo/** /*" (without the space) if its last component has no extension,
      * and does not contain any glob characters itself.
      */
     export function isImplicitGlob(lastPathComponent: string): boolean {