fixes

README.md

@@ -11,13 +11,13 @@ This extension is intended to assist in the development and testing of those Jso
 - **Jsonnet Language Support** provides basic Jsonnet language support including colorization, syntax highlighting and semantic tokens for the Standard and additional Functions libraries.
 - **Code completion** provides snippets and context sensitive help for the Standard and additional Functions libraries.
 - **Document Formatting** using the [go-jsonnet](https://pkg.go.dev/github.com/google/go-jsonnet) formatter with its default options.
-- **Snapshots** allow a point in time copy of a playground to be taken.
+- **Snapshots** allow point in time copies of a playground to be taken.
 - **Import and Export** of Playgrounds in JSON format for collaboration and sharing. Playground files are compatible with the [Data Transformer Web Application](https://datatransformer-playground.web.app).
 - **Tracing** support for the `std.trace()` function, with the trace output copied to the Data Transformer Output window.
 
 ## Requirements
 
-The Data Transformer Playground requires internet access to the Data Transformer Playground server URL - default https://datatransformer-playground.web.app.
+The Data Transformer Playground requires internet access to the Data Transformer Playground server at https://datatransformer-playground.web.app.
 
 Playgrounds, scripts and variables defintions are stored in a local, workspace specific, storage location where the extension has read/write access. By default, this is the location defined by the Workspace's ExtensionContext.storageUri setting. Please see the Visual Studio Code documentation for [Data Storage](https://code.visualstudio.com/api/extension-capabilities/common-capabilities#data-storage) for more information.
 

src/PlaygroundsTreeDataProvider.ts

@@ -242,7 +242,7 @@ export class PlaygroundsTreeDataProvider
     const index = tabs.findIndex(
       (tab) =>
         tab.input instanceof vscode.TabInputText &&
-        tab.input.uri.path === file.path,
+        tab.input.uri.path.toLowerCase() === file.path.toLowerCase(),
     );
     if (index !== -1) {
       await vscode.window.tabGroups.close(tabs[index]);

src/ScriptsTreeDataProvider.ts

@@ -62,7 +62,14 @@ export class ScriptsTreeDataProvider
   getActiveOrDefault(uri: vscode.Uri): ScriptsTreeItem {
     console.log("getDefault", uri, this.data);
 
-    return this.data.find((item) => item.uri.path === uri.path) || this.data[0];
+    if (!uri) {
+      return this.data[0];
+    }
+    return (
+      this.data.find(
+        (item) => item.uri.path.toLowerCase() === uri.path.toLowerCase(),
+      ) || this.data[0]
+    );
   }
 
   getTreeItem(
@@ -121,7 +128,7 @@ export class ScriptsTreeDataProvider
     const index = tabs.findIndex(
       (tab) =>
         tab.input instanceof vscode.TabInputText &&
-        tab.input.uri.path === file.path,
+        tab.input.uri.path.toLowerCase() === file.path.toLowerCase(),
     );
     if (index !== -1) {
       await vscode.window.tabGroups.close(tabs[index]);

src/extension.ts

@@ -119,7 +119,7 @@ export function activate(context: vscode.ExtensionContext) {
     setTimeout(
       () =>
         scriptsTreeView.reveal(
-          scriptsTreeDataProvider.getActiveOrDefault(editor.document.uri),
+          scriptsTreeDataProvider.getActiveOrDefault(editor?.document.uri),
           {
             select: true,
           },
@@ -206,7 +206,7 @@ export function activate(context: vscode.ExtensionContext) {
           );
 
           scriptsTreeView.reveal(
-            scriptsTreeDataProvider.getActiveOrDefault(editor.document.uri),
+            scriptsTreeDataProvider.getActiveOrDefault(editor?.document.uri),
             {
               select: true,
             },