Add CancellationError (#10035)

eclipse-theia · Sep 27, 2021 · ce996cc · ce996cc
1 parent dba8794
commit ce996cc
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Showing 3 changed files with 14 additions and 2 deletions.
diff --git a/packages/core/src/common/cancellation.ts b/packages/core/src/common/cancellation.ts
@@ -48,6 +48,13 @@ export namespace CancellationToken {
     });
 }
 
+export class CancellationError extends Error {
+    constructor() {
+        super('Canceled');
+        this.name = this.message;
+    }
+}
+
 class MutableToken implements CancellationToken {
 
     private _isCancelled: boolean = false;

diff --git a/packages/plugin-ext/src/plugin/plugin-context.ts b/packages/plugin-ext/src/plugin/plugin-context.ts
@@ -149,7 +149,7 @@ import { LanguagesExtImpl } from './languages';
 import { fromDocumentSelector, pluginToPluginInfo, fromGlobPattern } from './type-converters';
 import { DialogsExtImpl } from './dialogs';
 import { NotificationExtImpl } from './notification';
-import { CancellationToken } from '@theia/core/lib/common/cancellation';
+import { CancellationToken, CancellationError } from '@theia/core/lib/common/cancellation';
 import { score } from '@theia/callhierarchy/lib/common/language-selector';
 import { MarkdownString } from './markdown-string';
 import { TreeViewsExtImpl } from './tree/tree-views';
@@ -952,7 +952,8 @@ export function createAPIFactory(
             SemanticTokensEdit,
             ColorThemeKind,
             SourceControlInputBoxValidationType,
-            FileDecoration
+            FileDecoration,
+            CancellationError
         };
     };
 }

diff --git a/packages/plugin/src/theia.d.ts b/packages/plugin/src/theia.d.ts
@@ -2018,6 +2018,10 @@ declare module '@theia/plugin' {
         onDidDelete: Event<Uri>;
     }
 
+    export class CancellationError extends Error {
+        constructor();
+    }
+
     /**
      * A cancellation token used to request cancellation on long running
      * or asynchronous task.