chore: update typescript to 4.4.4 (GoogleCloudPlatform#359)

* chore: update typescript to 4.4.4 Signed-off-by: Grant Timmerman <timmerman+devrel@google.com> * ci: fix lint issues Signed-off-by: Grant Timmerman <timmerman+devrel@google.com>

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;
  }