Vue component status listener && Data push listener

First, vuex is introduced into the component

import vuex from "vuex";

Second, calculate the change in the value of state

computed: { state() { return this.$store.state["MODULE_DEVICE_MONITOR"]; }},Copy the code

Finally, listen for state

• Component status monitoring

'state.selectedItem' (newVal) {
    console.log(newVal)
}
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• Push monitor

'state.deviceDataWS': {
  handler (newName, oldName) {
      console.log(newName, oldName)
  },
  deep: true,
  immediate: true,
}
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