state-mutator.html

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<link rel="import" href="../polymer/polymer-element.html">
<link rel="import" href="state-aware.html">

<script>
  var UniFlow = window.UniFlow || {};

  /**

   Some non-visual elements, like action dispatchers, need to modify application
   state, in which case they should have this mixin applied. Implements state-
   aware and re-declares state property with notify attribute. State mutator elements
   are only supposed to exist at the application level.

   @polymer
   @mixinFunction
   @appliesMixin UniFlow.StateAware
  */
  UniFlow.StateMutator = Polymer.dedupingMixin((base) =>
    class extends UniFlow.StateAware(base) {

      static get properties() {
        return {
          /**
           * Application state.
           */
          state: {
            type: Object,
            notify: true
          }
        }

      };
    });
</script>