From a9937c9627e4804623d3e2c3c2f329dc8210f2b0 Mon Sep 17 00:00:00 2001
From: zcf0508 <zcf0508@live.com>
Date: Tue, 6 Aug 2024 17:28:57 +0800
Subject: [PATCH] perf: only request type data when it is visible in the
 treeView

---
 .../src/state/stateManager.ts                        |  6 +++++-
 .../typescript-explorer-vscode/src/view/views.ts     | 12 ++++++++----
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/packages/typescript-explorer-vscode/src/state/stateManager.ts b/packages/typescript-explorer-vscode/src/state/stateManager.ts
index 8c6b648..ac28dbe 100644
--- a/packages/typescript-explorer-vscode/src/state/stateManager.ts
+++ b/packages/typescript-explorer-vscode/src/state/stateManager.ts
@@ -4,7 +4,7 @@ import { selectionEnabled } from "../config"
 import { getTypeTreeAtRange } from "../server"
 import { isDocumentSupported, logError, showError } from "../util"
 import { TypeTreeItem, TypeTreeProvider } from "../view/typeTreeView"
-import { ViewProviders } from "../view/views"
+import { ViewProviders, treeView } from "../view/views"
 
 export class StateManager {
     public typeTree: TypeInfo | undefined
@@ -157,6 +157,10 @@ export class StateManager {
         selections: readonly vscode.Range[],
         ignoreSelectionLock = false
     ) {
+        if (!treeView?.visible) {
+            return
+        }
+
         if (this.getSelectionLock() && !ignoreSelectionLock) {
             return
         }
diff --git a/packages/typescript-explorer-vscode/src/view/views.ts b/packages/typescript-explorer-vscode/src/view/views.ts
index a5350a2..763caaa 100644
--- a/packages/typescript-explorer-vscode/src/view/views.ts
+++ b/packages/typescript-explorer-vscode/src/view/views.ts
@@ -1,20 +1,24 @@
 import * as vscode from "vscode"
 import { StateManager } from "../state/stateManager"
-import { TypeTreeProvider } from "./typeTreeView"
+import { TypeTreeItem, TypeTreeProvider } from "./typeTreeView"
 
 export type ViewProviders = {
     typeTreeProvider: TypeTreeProvider
 }
 
+export let treeView: vscode.TreeView<TypeTreeItem> | undefined
+
 export function createAndRegisterViews(
     context: vscode.ExtensionContext,
     stateManager: StateManager
 ): ViewProviders {
     const typeTreeProvider = new TypeTreeProvider(stateManager)
 
-    context.subscriptions.push(
-        vscode.window.registerTreeDataProvider("type-tree", typeTreeProvider)
-    )
+    treeView = vscode.window.createTreeView("type-tree", {
+        treeDataProvider: typeTreeProvider,
+    })
+
+    context.subscriptions.push(treeView)
 
     return { typeTreeProvider }
 }