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vuejs · May 27, 2018 · be90415 · be90415
1 parent 269b7e1
commit be90415
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/packages/test-utils/src/set-watchers-to-sync.js b/packages/test-utils/src/set-watchers-to-sync.js
@@ -27,6 +27,7 @@ export function setWatchersToSync (vm) {
 
  vm.$children.forEach(setWatchersToSync)
 
+ // preventing double registration
  if (!vm.$_vueTestUtils_updateInSetWatcherSync) {
  vm.$_vueTestUtils_updateInSetWatcherSync = vm._update
  vm._update = function (vnode, hydrating) {