Fixup

Author: RyanCavanaugh

src/server/editorServices.ts

@@ -364,7 +364,8 @@ namespace ts.server {
         }
 
         private onTypeRootFileChanged(project: ConfiguredProject, fileName: string) {
-            this.onSourceFileInDirectoryChangedForConfiguredProject(project, fileName);
+            this.updateConfiguredProject(project);
+            this.refreshInferredProjects();
         }
 
         /**
@@ -387,18 +388,27 @@ namespace ts.server {
                 () => this.handleChangeInSourceFileForConfiguredProject(project));
         }
 
-        private handleChangeInSourceFileForConfiguredProject(project: ConfiguredProject) {
-            const { projectOptions, configFileErrors } = this.convertConfigFileContentToProjectOptions(project.configFileName);
-            this.reportConfigFileDiagnostics(project.getProjectName(), configFileErrors);
+        getTypeRootsVersion(project: ConfiguredProject) {
+            const roots = project.getEffectiveTypeRoots();
+            if (roots === undefined) {
+                return 0;
+            }
 
-            const newRootFiles = projectOptions.files.map((f => this.getCanonicalFileName(f)));
-            const currentRootFiles = project.getRootFiles().map((f => this.getCanonicalFileName(f)));
-            const lastUpdateTypesRoot: number = Math.max.apply(Math, project.getEffectiveTypeRoots().map(root => {
+            return Math.max.apply(Math, project.getEffectiveTypeRoots().map(root => {
                if (this.host.directoryExists(root)) {
                    return +this.host.getModifiedTime(root);
                }
                return 0;
             }));
+        }
+
+        private handleChangeInSourceFileForConfiguredProject(project: ConfiguredProject) {
+            const { projectOptions, configFileErrors } = this.convertConfigFileContentToProjectOptions(project.configFileName);
+            this.reportConfigFileDiagnostics(project.getProjectName(), configFileErrors);
+
+            const newRootFiles = projectOptions.files.map((f => this.getCanonicalFileName(f)));
+            const currentRootFiles = project.getRootFiles().map((f => this.getCanonicalFileName(f)));
+            const lastUpdateTypesRoot: number = this.getTypeRootsVersion(project);
 
             // We check if the project file list has changed. If so, we update the project.
             if (!arrayIsEqualTo(currentRootFiles.sort(), newRootFiles.sort()) || (lastUpdateTypesRoot > project.lastUpdatedTypesRootTime)) {