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Géry Debongnie
8d25bddda4
Owl has to manage a lot of interesting situations. One of them is when a rendering is initiated, which creates a sub component, but then another rendering starts, which invalidate the previous one, and will create another sub component. Since the first sub component was not ever in the DOM, we cannot rely on the vdom patching process to remove it, so we have to do it manually. Sadly, this is actually a very tricky situation, since there are other subtle situations where the code that remove an unmounted widget could be executed, in particular when the parent component is unmounted, then remounted, then modified to trigger yet another rendering. In this commit, we handle this case more carefully by making sure that the destroyed subcomponent properly configures its pvnode so the patch process happens as expected. joint work with the framework team, and in particular LPE for his work on finding a testcase! closes #724, #731