refactor: improve task functions type checking

Signed-off-by: Jérôme Benoit <jerome.benoit@sap.com>

diff --git a/src/worker/abstract-worker.ts b/src/worker/abstract-worker.ts
index 7aa626f1610a3cd4f4e30ca23232b640a1eca410..1c1ff3d7700d72e11ad02d48b4e283282241833a 100644 (file)
--- a/src/worker/abstract-worker.ts
+++ b/src/worker/abstract-worker.ts
@@ -123,6 +123,11 @@ export abstract class AbstractWorker<
     } else if (isPlainObject(taskFunctions)) {
       let firstEntry = true
       for (const [name, fn] of Object.entries(taskFunctions)) {
+        if (typeof name !== 'string') {
+          throw new TypeError(
+            'A taskFunctions parameter object key is not a string'
+          )
+        }
         if (typeof fn !== 'function') {
           throw new TypeError(
             'A taskFunctions parameter object value is not a function'