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It seems that in certain versions of React it was possible for
componentWillMount
to be called more than once. facebook/react#6613If that happened to a
connect
ed component, it would causedispatcher.unregister
to be called again with a token that was alreadyunregistered causing an exception.
This
null
s the token field so unregister can only be called once for agiven token.
/cc @marcneuwirth
TODOs
any new public modules are exported fromsrc/GeneralStore.js
package.json
andbower.json
CHANGELOG.md
is up to date