Reduced completion suggestion delay (#20)

Author: Fred-Wu

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 All notable changes to R Console will be documented in this file.
 
+## [0.3.1] - 2026-06-29
+
+### Fixed
+
+- Reduced the delay when opening console suggestions by avoiding duplicate workspace refreshes when Tab is pressed.
+
 ## [0.3.0] - 2026-06-24
 
 ### Fixed

package-lock.json

@@ -2,7 +2,7 @@
   "name": "vsc-r-console",
   "displayName": "R Console for VS Code",
   "description": "A lightweight R console for VS Code",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "publisher": "RConsole",
   "license": "SEE LICENSE IN LICENSE",
   "icon": "images/Rlogo.png",

package.json

@@ -1649,11 +1649,11 @@ export class RTerminal implements vscode.Pseudoterminal {
   }
 
   private async handleAutocomplete(): Promise<void> {
-    this.sessionWatcher?.refresh();
     await this.lang.handleAutocomplete({
       input: this.getInputSnapshot(),
       getCurrentInput: () => this.getInputSnapshot(),
       getWorkspaceData: () => this.sessionWatcher?.getWorkspaceData(),
+      refreshWorkspaceData: () => this.sessionWatcher?.refresh(),
       applyCompletion: (selection) => {
         this.applyCompletion(selection);
       },

src/Terminal/rTerminal.ts

@@ -41,6 +41,7 @@ type AutocompleteRequest = {
   input: InputSnapshot;
   getCurrentInput: () => InputSnapshot;
   getWorkspaceData: () => WorkspaceData | undefined;
+  refreshWorkspaceData: () => void;
   applyCompletion: (selection: CompletionPickItem) => void;
 };
 
@@ -64,6 +65,7 @@ export class RTermLang {
     input,
     getCurrentInput,
     getWorkspaceData,
+    refreshWorkspaceData,
     applyCompletion,
   }: AutocompleteRequest): Promise<void> {
     if (this.completionInProgress) {
@@ -81,6 +83,14 @@ export class RTermLang {
 
     this.completionInProgress = true;
     try {
+      const shouldRequestWorkspaceData = this.shouldRequestWorkspaceData(context);
+      const workspaceDataRequest = shouldRequestWorkspaceData
+        ? this.options.requestWorkspaceData?.()
+        : undefined;
+      if (!shouldRequestWorkspaceData) {
+        refreshWorkspaceData();
+      }
+
       await this.ensureConsoleLspStarted();
 
       const latestInput = getCurrentInput();
@@ -91,8 +101,8 @@ export class RTermLang {
         return;
       }
 
-      const sessionData = this.shouldRequestWorkspaceData(context)
-        ? (await this.options.requestWorkspaceData?.()) ?? getWorkspaceData()
+      const sessionData = shouldRequestWorkspaceData
+        ? (await workspaceDataRequest) ?? getWorkspaceData()
         : getWorkspaceData();
       const doc = this.getOrUpdateCompletionDocument(latestInput.text);
       if (!doc) {