updated to version of eslint offering rule 'no-restricted-imports', a…

…dded linting rule preventing imports from 'vscode-jsonrpc'

.eslintrc.json

@@ -50,6 +50,22 @@
             "block",
             { "pattern": "MIT License|DO NOT EDIT MANUALLY!" }
         ],
+        "no-restricted-imports": ["error", {
+            "paths": [{
+                "name": "vscode-jsonrpc",
+                "importNames": [ "CancellationToken" ],
+                "message": "Import 'CancellationToken' via 'Cancellation.CancellationToken' from 'langium', or directly from './utils/cancellation.ts' within Langium."
+            }, {
+                "name": "vscode-jsonrpc/",
+                "importNames": [ "CancellationToken"],
+                "message": "Import 'CancellationToken' via 'Cancellation.CancellationToken' from 'langium', or directly from './utils/cancellation.ts' within Langium."
+            }],
+            "patterns": [ {
+                "group": [ "vscode-jsonrpc" ],
+                "importNamePattern": "^(?!CancellationToken)",
+                "message": "Don't import types or symbols from 'vscode-jsonrpc' (package index), as that brings a large overhead in bundle size. Import from 'vscode-jsonrpc/lib/common/...js' and add a // eslint-disable..., if really necessary."
+            }]
+        }],
         // List of [@typescript-eslint rules](https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin#supported-rules)
         "@typescript-eslint/adjacent-overload-signatures": "error", // grouping same method names
         "@typescript-eslint/array-type": ["error", {                // string[] instead of Array<string>

package.json

@@ -31,7 +31,7 @@
     "@vitest/ui": "~1.0.0",
     "concurrently": "~8.2.1",
     "esbuild": "~0.19.2",
-    "eslint": "~8.47.0",
+    "eslint": "~8.56.0",
     "eslint-plugin-header": "~3.1.1",
     "editorconfig": "~2.0.0",
     "shx": "~0.3.4",

packages/langium/src/utils/cancellation.ts

@@ -4,4 +4,5 @@
  * terms of the MIT License, which is available in the project root.
  ******************************************************************************/
 
+// eslint-disable-next-line no-restricted-imports
 export * from 'vscode-jsonrpc/lib/common/cancellation.js';