Memory leaks in vue2.0 framework

[brunoduan]

If we inject an object into VueComponent as below:

var store = new _vuex2.default.Store({
actions: _extends({}, appActions),
modules: {
app: _app2.default
}
});
new Vue(Vue.util.extend({ el: '#root', store: store }, _Qiqu2.default));

the Vue framework would remain all the references of Store objects and cause memory leaks happen.

We can get a compelete example bundle for reproducing the issue here

Run this bundle on Weex platform and lets take heap snapshots and compare them as below:

From above we would found out:

• not all dependencies's subscribers get teardown, we need to set Watcher.vm to nulls.
• The VueComponent tree remains in memory, we need to set the reference of root VueComponent and destroy the document.

[vue-bot]

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