meteor-call.html

<!--
A wrapper to meteor Method.call.

Example :

    <meteor-call name="getscore" args="[100, 200]" result={{players}}></meteor-call>

    <template is="dom-repeat" items="{{players}}">
      <div>
        <span>{{item.name}}</span>
      </div>
    </template>
-->
<script>
Polymer({
  is: 'meteor-call',

  /**
   * Fired when call has result
   * @param {object} result
   * @event result
   */

  /**
   * Fired when call has response error
   * @param {object} error
   * @event error
   */

  properties: {
    /**
     * Meteor method name to call.
     */
    name: {
      type: String,
      value: ""
    },
    /**
     * An array of Optional method arguments
     */
    args: {
      type: Array,
      value: function() { return []; }
    },
    /**
     * Result of last call
     */
    result: {
      type: Object,
      notify : true
    },
  },
  observers: [ '_recall(name, args)' ],
  _recall : function(name , args) {
    if(name) {
      Meteor.apply(name, args, function (error, result) {
        if(error) {
          this.fire('error', {error: error});
        } else {
          this.result = result;
          this.fire('result', {result: result});
        }
      }.bind(this));
    }
  }
});
</script>