SAP · dependabot · Apr 8, 2026 · Apr 9, 2026 · Apr 9, 2026 · Apr 10, 2026
diff --git a/.changeset/late-dodos-drop.md b/.changeset/late-dodos-drop.md
@@ -0,0 +1,8 @@
+---
+'@sap-cloud-sdk/openapi-generator': minor
+'@sap-cloud-sdk/generator-common': minor
+'@sap-cloud-sdk/generator': minor
+---
+
+[Compatibility Note] The project has been updated to `typescript` version 6.
+Some options are deprecated in TypeScript 6, reference the [breaking changes page](https://www.typescriptlang.org/docs/handbook/release-notes/typescript-6-0.html#breaking-changes-and-deprecations-in-typescript-60) for more details.
diff --git a/.github/actions/check-public-api/index.js b/.github/actions/check-public-api/index.js
diff --git a/.github/actions/merge-and-write-changelogs/index.js b/.github/actions/merge-and-write-changelogs/index.js
diff --git a/build-packages/changesets-fixed-version-bump/package.json b/build-packages/changesets-fixed-version-bump/package.json
@@ -26,6 +26,6 @@
     "eslint": "^9.39.2",
     "memfs": "^4.57.2",
     "prettier": "^3.8.1",
-    "typescript": "~5.9.3"
+    "typescript": "~6.0.2"
   }
 }
diff --git a/build-packages/changesets-fixed-version-bump/tsconfig.json b/build-packages/changesets-fixed-version-bump/tsconfig.json
@@ -8,7 +8,8 @@
     "declaration": false,
     "esModuleInterop": true,
     "target": "ESNext",
-    "module": "NodeNext"
+    "module": "NodeNext",
+    "types": ["node", "jest"]
   },
   "include": ["*.ts"],
   "exclude": []

diff --git a/build-packages/check-license/package.json b/build-packages/check-license/package.json
@@ -22,6 +22,6 @@
     "depcheck": "^1.4.7",
     "eslint": "^9.39.2",
     "prettier": "^3.8.1",
-    "typescript": "~5.9.3"
+    "typescript": "~6.0.3"
   }
 }
diff --git a/build-packages/check-license/tsconfig.json b/build-packages/check-license/tsconfig.json
@@ -11,7 +11,8 @@
     "target": "esnext",
     "noUncheckedSideEffectImports": true,
     "libReplacement": false,
-    "module": "NodeNext"
+    "module": "NodeNext",
+    "types": ["node"]
   },
   "types": ["node"],
   "include": ["*.ts"],

diff --git a/build-packages/check-pr/package.json b/build-packages/check-pr/package.json
@@ -26,6 +26,6 @@
     "eslint": "^9.39.2",
     "memfs": "^4.57.2",
     "prettier": "^3.8.1",
-    "typescript": "~5.9.3"
+    "typescript": "~6.0.2"
   }
 }
diff --git a/build-packages/check-pr/tsconfig.json b/build-packages/check-pr/tsconfig.json
@@ -8,7 +8,8 @@
     "skipLibCheck": true,
     "isolatedModules": true,
     "outDir": "./lib",
-    "tsBuildInfoFile": "./lib/.tsbuildinfo"
+    "tsBuildInfoFile": "./lib/.tsbuildinfo",
+    "types": ["node", "jest"]
   },
   "include": ["*.ts"],
   "exclude": []

diff --git a/build-packages/check-public-api/package.json b/build-packages/check-public-api/package.json
@@ -30,6 +30,6 @@
     "eslint": "^9.39.2",
     "memfs": "^4.57.2",
     "prettier": "^3.8.1",
-    "typescript": "~5.9.3"
+    "typescript": "~6.0.2"
   }
 }
diff --git a/build-packages/check-public-api/tsconfig.json b/build-packages/check-public-api/tsconfig.json
@@ -8,7 +8,8 @@
     "skipLibCheck": true,
     "isolatedModules": true,
     "outDir": "./lib",
-    "tsBuildInfoFile": "./lib/.tsbuildinfo"
+    "tsBuildInfoFile": "./lib/.tsbuildinfo",
+    "types": ["node", "jest"]
   },
   "include": ["*.ts"],
   "exclude": []

diff --git a/build-packages/get-changelog/index.ts b/build-packages/get-changelog/index.ts
@@ -20,6 +20,6 @@ async function getChangelog(v?: string): Promise<string> {
   try {
     setOutput('changelog', await getChangelog());
   } catch (error) {
-    setFailed(error.message);
+    setFailed((error as Error).message);
   }
 })();
diff --git a/build-packages/get-changelog/package.json b/build-packages/get-changelog/package.json
@@ -21,6 +21,6 @@
     "depcheck": "^1.4.7",
     "eslint": "^9.39.2",
     "prettier": "^3.8.1",
-    "typescript": "~5.9.3"
+    "typescript": "~6.0.2"
   }
 }
diff --git a/build-packages/get-changelog/tsconfig.json b/build-packages/get-changelog/tsconfig.json
@@ -7,7 +7,8 @@
     "incremental": true,
     "declaration": false,
     "esModuleInterop": true,
-    "module": "NodeNext"
+    "module": "NodeNext",
+    "types": ["node"]
   },
   "files": [
     "index.ts"

diff --git a/build-packages/merge-and-write-changelogs/index.ts b/build-packages/merge-and-write-changelogs/index.ts
@@ -106,7 +106,7 @@ function parseContent(
       summary,
       packageNames: [packageName],
       // TODO: add link to commit
-      commit: groups.commit ? `(${groups.commit})` : '',
+      commit: groups?.commit ? `(${groups.commit})` : '',
       type
     };
   });

diff --git a/build-packages/merge-and-write-changelogs/package.json b/build-packages/merge-and-write-changelogs/package.json
@@ -22,6 +22,6 @@
     "depcheck": "^1.4.7",
     "eslint": "^9.39.2",
     "prettier": "^3.8.1",
-    "typescript": "~5.9.3"
+    "typescript": "~6.0.3"
   }
 }
diff --git a/build-packages/merge-and-write-changelogs/tsconfig.json b/build-packages/merge-and-write-changelogs/tsconfig.json
@@ -8,7 +8,8 @@
     "declaration": false,
     "esModuleInterop": true,
     "target": "ESNext",
-    "module": "NodeNext"
+    "module": "NodeNext",
+    "types": ["node"]
   },
   "include": ["*.ts"],
   "exclude": []

diff --git a/build-packages/test-utils/package.json b/build-packages/test-utils/package.json
@@ -24,6 +24,6 @@
     "depcheck": "^1.4.7",
     "eslint": "^9.39.2",
     "prettier": "^3.8.1",
-    "typescript": "~5.9.3"
+    "typescript": "~6.0.3"
   }
 }
diff --git a/package.json b/package.json
@@ -68,6 +68,8 @@
     "@types/jest": "^30.0.0",
     "@types/jsonwebtoken": "^9.0.10",
     "@types/node": "^22.19.15",
+    "@types/sap__xsenv": "^3.3.2",
+    "@types/semver": "^7.7.1",
     "@types/voca": "^1.4.6",
     "axios": "^1.15.0",
     "cross-env": "10.1.0",
@@ -87,7 +89,7 @@
     "ts-node": "^10.9.2",
     "turbo": "^2.9.6",
     "typedoc": "^0.28.18",
-    "typescript": "~5.9.3",
+    "typescript": "~6.0.3",
     "unionfs": "^4.6.0"
   }
 }
diff --git a/packages/connectivity/package.json b/packages/connectivity/package.json
@@ -53,10 +53,11 @@
   "devDependencies": {
     "@jest/globals": "^30.3.0",
     "@sap-cloud-sdk/test-util-internal": "workspace:^",
+    "@types/async-retry": "^1.4.9",
     "depcheck": "^1.4.7",
     "memfs": "^4.57.2",
     "nock": "^14.0.11",
     "prettier": "^3.8.1",
-    "typescript": "~5.9.3"
+    "typescript": "~6.0.3"
   }
 }
diff --git a/packages/connectivity/src/http-agent/http-agent.ts b/packages/connectivity/src/http-agent/http-agent.ts
@@ -260,9 +260,9 @@ function isSupportedFormat(format: string | undefined): boolean {
   return !!format && supportedCertificateFormats.includes(format);
 }
 
-function selectCertificate(destination): DestinationCertificate {
-  const certificate = destination.certificates.find(
-    c => c.name === destination.keyStoreName
+function selectCertificate(destination: Destination): DestinationCertificate {
+  const certificate = destination.certificates?.find(
+    (c: DestinationCertificate) => c.name === destination.keyStoreName
   );
 
   if (!certificate) {

diff --git a/packages/connectivity/src/scp-cf/connectivity-service.ts b/packages/connectivity/src/scp-cf/connectivity-service.ts
@@ -127,7 +127,7 @@ async function proxyAuthorizationHeader(
   } catch (error) {
     throw new ErrorWithCause(
       'Failed to add proxy authorization header - client credentials grant failed!',
-      error
+      error as Error
     );
   }
 }

diff --git a/packages/connectivity/src/scp-cf/destination/destination-from-env.ts b/packages/connectivity/src/scp-cf/destination/destination-from-env.ts
@@ -11,6 +11,7 @@ import {
 import { isHttpDestination } from './destination-service-types';
 import { addForwardedAuthTokenIfNeeded } from './forward-auth-token';
 import type { Destination } from './destination-service-types';
+import type { DestinationConfiguration } from './destination';
 import type { DestinationFetchOptions } from './destination-accessor-types';
 
 const logger = createLogger({
@@ -37,14 +38,15 @@ export function getDestinationsFromEnv(): Destination[] {
     } catch (err) {
       throw new ErrorWithCause(
         'Error in parsing the destinations from the environment variable.',
-        err
+        err as Error
       );
     }
     validateDestinations(destinations);
-    return destinations.map(destination =>
-      isDestinationConfiguration(destination)
-        ? parseDestination(destination)
-        : sanitizeDestination(destination)
+    return destinations.map(
+      (destination: DestinationConfiguration | Destination) =>
+        isDestinationConfiguration(destination)
+          ? parseDestination(destination)
+          : sanitizeDestination(destination)
     );
   }
   return [];
@@ -121,7 +123,7 @@ export function searchEnvVariablesForDestination(
       }
     } catch (error) {
       logger.error(
-        `Error in reading the given destinations from the environment variable ${error.message}.`
+        `Error in reading the given destinations from the environment variable ${(error as Error).message}.`
       );
     }
   }

diff --git a/packages/connectivity/src/scp-cf/destination/destination-from-vcap.ts b/packages/connectivity/src/scp-cf/destination/destination-from-vcap.ts
@@ -161,7 +161,7 @@ export async function searchServiceBindingForDestination(
     return destination;
   } catch (error) {
     logger.debug(
-      `Could not retrieve destination from service binding. If you are not using SAP Extension Factory, this information probably does not concern you. ${error.message}`
+      `Could not retrieve destination from service binding. If you are not using SAP Extension Factory, this information probably does not concern you. ${(error as Error).message}`
     );
   }
   return null;

diff --git a/packages/connectivity/src/scp-cf/destination/destination-service.ts b/packages/connectivity/src/scp-cf/destination/destination-service.ts
@@ -4,7 +4,7 @@ import {
   propertyExists,
   removeTrailingSlashes
 } from '@sap-cloud-sdk/util';
-import axios from 'axios';
+import axios, { isAxiosError } from 'axios';
 import { executeWithMiddleware } from '@sap-cloud-sdk/resilience/internal';
 import { resilience } from '@sap-cloud-sdk/resilience';
 import asyncRetry from 'async-retry';
@@ -76,8 +76,8 @@ export async function fetchDestinations(
     headers
   )
     .then(response => {
-      const destinations: Destination[] = response.data.map(destination =>
-        parseDestination(destination)
+      const destinations: Destination[] = response.data.map(
+        (destination: DestinationJson) => parseDestination(destination)
       );
 
       if (options?.useCache) {
@@ -156,6 +156,7 @@ export async function fetchDestinationWithoutTokenRetrieval(
     };
   } catch (err) {
     if (
+      isAxiosError(err) &&
       err.response?.status === 404 &&
       err.response?.data?.ErrorMessage ===
         'Configuration with the specified name was not found'
@@ -166,8 +167,8 @@ export async function fetchDestinationWithoutTokenRetrieval(
       };
     }
     throw new ErrorWithCause(
-      `Failed to fetch destination.${errorMessageFromResponse(err)}`,
-      err
+      `Failed to fetch destination.${errorMessageFromResponse(err as AxiosError<{ ErrorMessage: string }>)}`,
+      err as Error
     );
   }
 }
@@ -323,12 +324,14 @@ function retryDestination(
           }
           return destination;
         } catch (error) {
-          const status = error?.response?.status;
-          if (status.toString().startsWith('4')) {
+          const status = isAxiosError(error)
+            ? error.response?.status
+            : undefined;
+          if (status?.toString().startsWith('4')) {
             bail(
               new ErrorWithCause(
                 `Request failed with status code ${status}`,
-                error
+                error as Error
               )
             );
             // We need to return something here but the actual value does not matter