fix: Retrieve diagnostics for changed document only

Keen Yee Liau · Keen Yee Liau · commit 0f70744ac8ca · 2019-11-13T12:53:04.000-08:00
Currently, when a document is changed, we retrieve diagnostics for
**all** open files. This could be very slow when there are many open
files. Instead, retrieve diagnostics for that one file only.
diff --git a/server/src/session.ts b/server/src/session.ts
@@ -220,7 +220,7 @@ export class Session {
     if (!project || !project.languageServiceEnabled) {
       return;
     }
-    project.refreshDiagnostics();
+    this.triggerDiagnostics([scriptInfo.fileName]);
   }
 
   private onDidSaveTextDocument(params: lsp.DidSaveTextDocumentParams) {

Original file line number	Diff line number	Diff line change
`@@ -220,7 +220,7 @@ export class Session {`
`220`	`220`	`if (!project \|\| !project.languageServiceEnabled) {`
`221`	`221`	`return;`
`222`	`222`	`}`
`223`		`- project.refreshDiagnostics();`
	`223`	`+ this.triggerDiagnostics([scriptInfo.fileName]);`
`224`	`224`	`}`
`225`	`225`
`226`	`226`	`private onDidSaveTextDocument(params: lsp.DidSaveTextDocumentParams) {`