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fix: diff of list [a,b,c,d] and [e,b,b,f],error happened and make vue-router cant update#13110
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When updating an existing list, if the same key exists in the new list and the node with the same key value also exists in the old list, after diffing, it will be marked as undefined in oldCh, causing the new list with the same key to report an error in isSameNode (read 'key' from undefined) |
At the same time, this issue also causes the vue router to be unable to jump normally, as the watcher updates when the "app. _route" changes. In the “watcher.run”, due to the execution error and capture of "this. getter. call (vm, vm)", the subsequent ”resetSchedulerState“ cannot be executed, and the "waiting" state remains true. Finally, the “registerInstance” cannot be executed. Although the URL is updated, the page cannot find “instances” and cannot be updated |
test-demo |
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mainbranch for v2.x (or to a previous version branch)fix #xxx[,#xxx], where "xxx" is the issue number)If adding anew feature, the PR's description includes:
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