[Vuejs]-How to track changes in a property stored in Vuex(store) and perform some method based on the value?

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Rather than explicitly mutating your local data in response to some state change, it is better to compute your links within a computed property because it will automatically update whenever some dependent data has changed. It’ll “just work”.

computed: {
  links() {
    switch (this.$store.state.user_role) {
      case: "PM": return [
        { text: "Projects", route: "/projects" },
        { text: "Requests", route: "/requests" },
        { text: "Allocations", route: "/allocations" },
        { text: "Resources", route: "/resources" },
      ];

      case: "PMO": return [
        { text: "Projects", route: "/projects" },
        { text: "Requests", route: "/requests" },
        { text: "Reports", route: "/reports" },
        { text: "Resources", route: "/resources" },
      ];

      // For any other role
      default: return [
        { text: "Allocations", route: "/allocations" },
      ];
    }
  }
}

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