Skip refreshing configured project on change of config file if its not loaded

Author: sheetalkamat

src/server/editorServices.ts

@@ -1058,6 +1058,8 @@ namespace ts.server {
             }
             else {
                 this.logConfigFileWatchUpdate(project.getConfigFilePath(), project.canonicalConfigFilePath, configFileExistenceInfo, ConfigFileWatcherStatus.ReloadingInferredRootFiles);
+                // Skip refresh if project is not yet loaded
+                if (project.isInitialLoadPending()) return;
                 project.pendingReload = ConfigFileProgramReloadLevel.Full;
                 project.pendingReloadReason = "Change in config file detected";
                 this.delayUpdateProjectGraph(project);

src/server/project.ts

@@ -1137,9 +1137,8 @@ namespace ts.server {
         }
 
         filesToString(writeProjectFileNames: boolean) {
-            if (!this.program) {
-                return "\tFiles (0)\n";
-            }
+            if (this.isInitialLoadPending()) return "\tFiles (0) InitialLoadPending\n";
+            if (!this.program) return "\tFiles (0) NoProgram\n";
             const sourceFiles = this.program.getSourceFiles();
             let strBuilder = `\tFiles (${sourceFiles.length})\n`;
             if (writeProjectFileNames) {
@@ -1516,7 +1515,8 @@ namespace ts.server {
         /*@internal*/
         projectOptions?: ProjectOptions | true;
 
-        protected isInitialLoadPending: () => boolean = returnTrue;
+        /*@internal*/
+        isInitialLoadPending: () => boolean = returnTrue;
 
         /*@internal*/
         sendLoadingProjectFinish = false;

tests/baselines/reference/api/tsserverlibrary.d.ts

@@ -8575,7 +8575,6 @@ declare namespace ts.server {
         private externalProjectRefCount;
         private projectErrors;
         private projectReferences;
-        protected isInitialLoadPending: () => boolean;
         fileExists(file: string): boolean;
         directoryExists(path: string): boolean;
         /**