chore: update typescript to 4.4.4 (#359)

* chore: update typescript to 4.4.4

Signed-off-by: Grant Timmerman <[email protected]>

* ci: fix lint issues

Signed-off-by: Grant Timmerman <[email protected]>

Author: grant

package-lock.json

@@ -55,6 +55,6 @@
     "power-assert": "1.6.1",
     "sinon": "^11.0.0",
     "supertest": "6.1.6",
-    "typescript": "4.3.5"
+    "typescript": "^4.4.4"
   }
 }

package.json

@@ -80,7 +80,9 @@ export function sendResponse(
       // CallFunction. The most sane resolution here is to succeed the function
       // (this was the customer's clear intent) but send a 204 (NO CONTENT) and
       // log an error message explaining why their content wasn't sent.
-      console.error('Error serializing return value: ' + sendErr.toString());
+      console.error(
+        'Error serializing return value: ' + (sendErr as Error).toString()
+      );
       res.sendStatus(204); // No Content
     }
   }

src/invoker.ts

@@ -155,9 +155,10 @@ export async function getUserFunction(
 
     return {userFunction: userFunction as HandlerFunction, signatureType};
   } catch (ex) {
+    const err: Error = <Error>ex;
     let additionalHint: string;
     // TODO: this should be done based on ex.code rather than string matching.
-    if (ex.stack && ex.stack.includes('Cannot find module')) {
+    if (err.stack && err.stack.includes('Cannot find module')) {
       additionalHint =
         'Did you list all required modules in the package.json ' +
         'dependencies?\n';
@@ -166,7 +167,7 @@ export async function getUserFunction(
     }
     console.error(
       `Provided module can't be loaded.\n${additionalHint}` +
-        `Detailed stack trace: ${ex.stack}`
+        `Detailed stack trace: ${err.stack}`
     );
     return null;
   }