Merge pull request #23241 from Microsoft/skipWatchingTypeCacheInfos

[release-2.8] Skip watching script infos in the global type cache location

Author: sheetalkamat

src/compiler/core.ts

@@ -2258,6 +2258,8 @@ namespace ts {
      * Adds a trailing directory separator to a path, if it does not already have one.
      * @param path The path.
      */
+    export function ensureTrailingDirectorySeparator(path: Path): Path;
+    export function ensureTrailingDirectorySeparator(path: string): string;
     export function ensureTrailingDirectorySeparator(path: string) {
         if (path.charAt(path.length - 1) !== directorySeparator) {
             return path + directorySeparator;

src/harness/unittests/typingsInstaller.ts

@@ -141,12 +141,15 @@ namespace ts.projectSystem {
             checkNumberOfProjects(projectService, { configuredProjects: 1 });
             const p = configuredProjectAt(projectService, 0);
             checkProjectActualFiles(p, [file1.path, tsconfig.path]);
+            checkWatchedFiles(host, [tsconfig.path, libFile.path, packageJson.path, "/a/b/bower_components", "/a/b/node_modules"]);
 
             installer.installAll(/*expectedCount*/ 1);
 
             checkNumberOfProjects(projectService, { configuredProjects: 1 });
             host.checkTimeoutQueueLengthAndRun(2);
             checkProjectActualFiles(p, [file1.path, jquery.path, tsconfig.path]);
+            // should not watch jquery
+            checkWatchedFiles(host, [tsconfig.path, libFile.path, packageJson.path, "/a/b/bower_components", "/a/b/node_modules"]);
         });
 
         it("inferred project (typings installed)", () => {
@@ -188,7 +191,7 @@ namespace ts.projectSystem {
             checkProjectActualFiles(p, [file1.path]);
 
             installer.installAll(/*expectedCount*/ 1);
-
+            host.checkTimeoutQueueLengthAndRun(2);
             checkNumberOfProjects(projectService, { inferredProjects: 1 });
             checkProjectActualFiles(p, [file1.path, jquery.path]);
         });
@@ -961,6 +964,7 @@ namespace ts.projectSystem {
             assert.isTrue(host.fileExists(node.path), "typings for 'node' should be created");
             assert.isTrue(host.fileExists(commander.path), "typings for 'commander' should be created");
 
+            host.checkTimeoutQueueLengthAndRun(2);
             checkProjectActualFiles(service.inferredProjects[0], [file.path, node.path, commander.path]);
         });
 
@@ -1106,7 +1110,7 @@ namespace ts.projectSystem {
             checkProjectActualFiles(p, [file1.path]);
 
             installer.installAll(/*expectedCount*/ 1);
-
+            host.checkTimeoutQueueLengthAndRun(2);
             checkNumberOfProjects(projectService, { inferredProjects: 1 });
             checkProjectActualFiles(p, [file1.path, jquery.path]);
         });

src/server/editorServices.ts

@@ -389,6 +389,7 @@ namespace ts.server {
         public readonly useSingleInferredProject: boolean;
         public readonly useInferredProjectPerProjectRoot: boolean;
         public readonly typingsInstaller: ITypingsInstaller;
+        private readonly globalCacheLocationDirectoryPath: Path;
         public readonly throttleWaitMilliseconds?: number;
         private readonly eventHandler?: ProjectServiceEventHandler;
 
@@ -423,6 +424,8 @@ namespace ts.server {
             }
             this.currentDirectory = this.host.getCurrentDirectory();
             this.toCanonicalFileName = createGetCanonicalFileName(this.host.useCaseSensitiveFileNames);
+            this.globalCacheLocationDirectoryPath = this.typingsInstaller.globalTypingsCacheLocation &&
+                ensureTrailingDirectorySeparator(this.toPath(this.typingsInstaller.globalTypingsCacheLocation));
             this.throttledOperations = new ThrottledOperations(this.host, this.logger);
 
             if (this.typesMapLocation) {
@@ -539,10 +542,11 @@ namespace ts.server {
                 else {
                     if (this.pendingEnsureProjectForOpenFiles) {
                         this.ensureProjectForOpenFiles();
+
+                        // Send the event to notify that there were background project updates
+                        // send current list of open files
+                        this.sendProjectsUpdatedInBackgroundEvent();
                     }
-                    // Send the event to notify that there were background project updates
-                    // send current list of open files
-                    this.sendProjectsUpdatedInBackgroundEvent();
                 }
             });
         }
@@ -633,7 +637,6 @@ namespace ts.server {
                 return undefined;
             }
             if (isInferredProjectName(projectName)) {
-                this.ensureProjectStructuresUptoDate();
                 return findProjectByName(projectName, this.inferredProjects);
             }
             return this.findExternalProjectByProjectName(projectName) || this.findConfiguredProjectByProjectName(toNormalizedPath(projectName));
@@ -1725,7 +1728,10 @@ namespace ts.server {
         private watchClosedScriptInfo(info: ScriptInfo) {
             Debug.assert(!info.fileWatcher);
             // do not watch files with mixed content - server doesn't know how to interpret it
-            if (!info.isDynamicOrHasMixedContent()) {
+            // do not watch files in the global cache location
+            if (!info.isDynamicOrHasMixedContent() &&
+                (!this.globalCacheLocationDirectoryPath ||
+                    !startsWith(info.path, this.globalCacheLocationDirectoryPath))) {
                 const { fileName } = info;
                 info.fileWatcher = this.watchFactory.watchFilePath(
                     this.host,

src/server/server.ts

@@ -234,12 +234,6 @@ namespace ts.server {
         }
     }
 
-    // E.g. "12:34:56.789"
-    function nowString() {
-        const d = new Date();
-        return `${d.getHours()}:${d.getMinutes()}:${d.getSeconds()}.${d.getMilliseconds()}`;
-    }
-
     interface QueuedOperation {
         operationId: string;
         operation: () => void;

src/server/shared.ts

@@ -33,4 +33,11 @@ namespace ts.server {
             ? sys.args[index + 1]
             : undefined;
     }
-}
+
+    /*@internal*/
+    export function nowString() {
+        // E.g. "12:34:56.789"
+        const d = new Date();
+        return `${d.getHours()}:${d.getMinutes()}:${d.getSeconds()}.${d.getMilliseconds()}`;
+    }
+}

src/server/typingsInstaller/nodeTypingsInstaller.ts

@@ -21,7 +21,7 @@ namespace ts.server.typingsInstaller {
         }
         writeLine = (text: string) => {
             try {
-                fs.appendFileSync(this.logFile, text + sys.newLine);
+                fs.appendFileSync(this.logFile, `[${nowString()}] ${text}${sys.newLine}`);
             }
             catch (e) {
                 this.logEnabled = false;

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

@@ -7847,6 +7847,7 @@ declare namespace ts.server {
         readonly useSingleInferredProject: boolean;
         readonly useInferredProjectPerProjectRoot: boolean;
         readonly typingsInstaller: ITypingsInstaller;
+        private readonly globalCacheLocationDirectoryPath;
         readonly throttleWaitMilliseconds?: number;
         private readonly eventHandler?;
         readonly globalPlugins: ReadonlyArray<string>;