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-rw-r--r--src/lib/workers-list.js1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/lib/workers-list.js b/src/lib/workers-list.js
index b27dbf3..67df2f8 100644
--- a/src/lib/workers-list.js
+++ b/src/lib/workers-list.js
@@ -67,6 +67,7 @@ class WorkersList {
*/
poke(targets) {
this.logger.debug('poke:', targets)
+
if (!Array.isArray(targets))
throw new Error('targets must be Array')