-import { ClusterWorker, KillBehaviors, ThreadWorker } from '../../lib/index.js'
-import { DEFAULT_TASK_NAME, EMPTY_FUNCTION } from '../../lib/utils.js'
+
+import { ClusterWorker, KillBehaviors, ThreadWorker } from '../../lib/index.cjs'
+import { DEFAULT_TASK_NAME, EMPTY_FUNCTION } from '../../lib/utils.cjs'