text: /*****************************************************************************
   * Open MCT, Copyright (c) 2014-2021, United States Government
   * as represented by the Administrator of the National Aeronautics and Space
   * Administration. All rights reserved.
   *
   * Open MCT is licensed under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   * http://www.apache.org/licenses/LICENSE-2.0.
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
   * License for the specific language governing permissions and limitations
   * under the License.
   *
   * Open MCT includes source code licensed under additional open source
   * licenses. See the Open Source Licenses file (LICENSES.md) included with
   * this source code distribution or the Licensing information page available
   * at runtime from the About dialog for additional information.
   *****************************************************************************/
  
  /**
   * Module defining CoreCapabilityProvider. Created by vwoeltje on 11/7/14.
   */
  define(
      [],
      function () {
  
          /**
           * A capability provides an interface with dealing with some
           * dynamic behavior associated with a domain object.
           * @interface Capability
           */
  
          /**
           * Optional; if present, will be used by `DomainObject#useCapability`
           * to simplify interaction with a specific capability. Parameters
           * and return values vary depending on capability type.
           * @method Capability#invoke
           */
  
          /**
           * Provides capabilities based on extension definitions,
           * matched to domain object models.
           *
           * @param {Array.<function(DomainObject) : Capability>} an array
           *        of constructor functions for capabilities, as
           *        exposed by extensions defined at the bundle level.
           *
           * @memberof platform/core
           * @constructor
           */
          function CoreCapabilityProvider(capabilities, $log) {
              // Filter by invoking the capability's appliesTo method
              function filterCapabilities(model, id) {
                  return capabilities.filter(function (capability) {
                      return capability.appliesTo
                          ? capability.appliesTo(model, id)
                          : true;
                  });
              }
  
              // Package capabilities as key-value pairs
              function packageCapabilities(caps) {
                  var result = {};
                  caps.forEach(function (capability) {
                      if (capability.key) {
                          result[capability.key] =
                              result[capability.key] || capability;
                      } else {
                          $log.warn("No key defined for capability; skipping.");
                      }
                  });
  
                  return result;
              }
  
              function getCapabilities(model, id) {
                  return packageCapabilities(filterCapabilities(model, id));
              }
  
              return {
                  /**
                   * Get all capabilities associated with a given domain
                   * object.
                   *
                   * This returns a promise for an object containing key-value
                   * pairs, where keys are capability names and values are
                   * either:
                   *
                   * * Capability instances
                   * * Capability constructors (which take a domain object
                   *   as their argument.)
                   *
                   *
                   * @param {*} model the object model
                   * @returns {Object.<string,function|Capability>} all
                   *     capabilities known to be valid for this model, as
                   *     key-value pairs
                   * @memberof platform/core.CoreCapabilityProvider#
                   */
                  getCapabilities: getCapabilities
              };
          }
  
          return CoreCapabilityProvider;
      }
  );
  
  