feat: update to Cedar SDK 4.9.1 (#46)

Signed-off-by: Kevin Hakanson <kevhak@amazon.com>

Author: hakanson

CHANGELOG.md

@@ -1,3 +1,8 @@
+## v0.10.3 (Preview) 2026-03-18
+
+- Update to Cedar SDK 4.9.1
+- IntelliSense for built-in function signatures
+
 ## v0.10.2 (Preview) 2026-02-26
 
 - Update to Cedar SDK 4.9.0

package-lock.json

@@ -12,11 +12,12 @@
     "url": "https://github.com/cedar-policy/vscode-cedar/issues"
   },
   "qna": "https://github.com/cedar-policy/vscode-cedar/issues",
-  "version": "0.10.2",
+  "version": "0.10.3",
   "preview": true,
   "icon": "icons/cedar-policy.png",
   "engines": {
-    "vscode": "^1.83.0"
+    "vscode": "^1.83.0",
+    "node": ">=18.0.0"
   },
   "categories": [
     "Programming Languages",
@@ -303,12 +304,12 @@
     "@types/mocha": "^10.0.10",
     "@types/node": "=18.15.0",
     "@types/vscode": "=1.83.0",
-    "@typescript-eslint/eslint-plugin": "^8.56.1",
-    "@typescript-eslint/parser": "^8.56.1",
+    "@typescript-eslint/eslint-plugin": "^8.57.1",
+    "@typescript-eslint/parser": "^8.57.1",
     "@vscode/test-cli": "^0.0.12",
     "@vscode/test-electron": "^2.5.2",
     "@vscode/vsce": "^3.7.1",
-    "eslint": "^9.39.3",
+    "eslint": "^9.39.4",
     "js-yaml": "^4.1.1",
     "mocha": "^11.7.5",
     "typescript": "^5.9.3"

package.json

@@ -2,24 +2,15 @@
 // SPDX-License-Identifier: Apache-2.0
 
 import * as vscode from 'vscode';
-import * as path from 'node:path';
-import * as fs from 'node:fs';
 import * as cedar from 'vscode-cedar-wasm';
 
-const packageJsonFile = path.join(__dirname, '..', 'package.json');
-const packageJson = JSON.parse(fs.readFileSync(packageJsonFile, 'utf8'));
-const packageVersion = `${packageJson.publisher}.${packageJson.name}: ${packageJson.version}\n`;
-const vsCodeVersion = `Visual Studio Code: ${vscode.version}\n`;
-const nodeVersion = process.versions.node
-  ? `node: ${process.versions.node}\n`
-  : '';
-
-export async function aboutExtension(): Promise<void> {
+export async function aboutExtension(context: vscode.ExtensionContext): Promise<void> {
+  const pkg = context.extension.packageJSON;
   const extensionDetails =
-    packageVersion +
+    `${pkg.publisher}.${pkg.name}: ${pkg.version}\n` +
     `Cedar SDK: ${cedar.getCedarSDKVersion()}\n` +
-    vsCodeVersion +
-    nodeVersion;
+    `Visual Studio Code: ${vscode.version}\n` +
+    (process.versions.node ? `node: ${process.versions.node}\n` : '');
 
   const result = await vscode.window.showInformationMessage(
     extensionDetails,

src/about.ts

@@ -75,6 +75,7 @@ import {
   CedarSchemaCompletionItemProvider,
 } from './completion';
 import { CedarHoverProvider, CedarEntitiesJSONHoverProvider } from './hover';
+import { CedarSignatureHelpProvider } from './signaturehelp';
 import { aboutExtension } from './about';
 import * as cedar from 'vscode-cedar-wasm';
 import { ValidateWithSchemaCodeLensProvider } from './codelens';
@@ -150,6 +151,15 @@ export async function activate(context: vscode.ExtensionContext) {
     )
   );
 
+  context.subscriptions.push(
+    vscode.languages.registerSignatureHelpProvider(
+      { language: 'cedar' },
+      new CedarSignatureHelpProvider(),
+      '(', // trigger: opening a function call
+      ',' // retrigger: moving to the next argument
+    )
+  );
+
   context.subscriptions.push(
     vscode.languages.registerCodeLensProvider(
       { language: 'cedar' },
@@ -218,7 +228,7 @@ export async function activate(context: vscode.ExtensionContext) {
    */
   context.subscriptions.push(
     vscode.commands.registerCommand(COMMAND_CEDAR_ABOUT, (args: any[]) => {
-      aboutExtension();
+      aboutExtension(context);
     })
   );
   context.subscriptions.push(
@@ -257,9 +267,11 @@ export async function activate(context: vscode.ExtensionContext) {
       }
     )
   );
-  vscode.workspace.registerTextDocumentContentProvider(
-    CedarTextDocumentContentProvider.scheme,
-    new CedarTextDocumentContentProvider()
+  context.subscriptions.push(
+    vscode.workspace.registerTextDocumentContentProvider(
+      CedarTextDocumentContentProvider.scheme,
+      new CedarTextDocumentContentProvider()
+    )
   );
   context.subscriptions.push(
     vscode.commands.registerTextEditorCommand(

src/extension.ts

@@ -85,11 +85,9 @@ export const generateDiagram = (
 
     let commonTypes: string[] = [];
     if (cedarschema[namespace].commonTypes) {
-      // @ts-ignore
-      commonTypes = Object.keys(cedarschema[namespace]?.commonTypes);
+      commonTypes = Object.keys(cedarschema[namespace].commonTypes);
       commonTypes.forEach((name) => {
-        // @ts-ignore
-        const e = cedarschema[namespace]?.commonTypes[name];
+        const e = cedarschema[namespace].commonTypes![name];
         let properties = '\n';
         if (e?.attributes) {
           const attributes = e.attributes;