@thefoxjob/js-meta/dist/src/Mixins/DependenciesAware.js

Stores meta data of various kinds about given target classes or methods

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _jsMixin = require('@thefoxjob/js-mixin');

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

/**
 * dependencies symbol
 *
 * @type {Symbol}
 * @private
 */
var _dependencies = Symbol('dependencies');

/**
 * Dependencies Aware Mixin
 *
 * @return {DependenciesAware}
 */
exports.default = (0, _jsMixin.DeclareMixin)(function (superClass) {
  return function (_superClass) {
    _inherits(DependenciesAware, _superClass);

    function DependenciesAware() {
      _classCallCheck(this, DependenciesAware);

      return _possibleConstructorReturn(this, (DependenciesAware.__proto__ || Object.getPrototypeOf(DependenciesAware)).apply(this, arguments));
    }

    _createClass(DependenciesAware, [{
      key: 'hasDependencies',


      /**
       * Check if "dependencies" has been set
       *
       * @return {boolean}
       */
      value: function hasDependencies() {
        return this[_dependencies] !== undefined && this[_dependencies] !== null;
      }

      /**
       * Get a default "dependencies"
       *
       * @return {Array.<*>|null} A default "dependencies" value or null if none is available
       */

    }, {
      key: 'dependencies',


      /**
       * Set dependencies
       *
       * @param {Array.<*>|null} dependencies Various component dependencies
       */
      set: function set(dependencies) {
        this[_dependencies] = dependencies;
      }

      /**
       * Get dependencies
       *
       * @return {Array.<*>|null} Various component dependencies
       */
      ,
      get: function get() {
        if (!this.hasDependencies()) {
          this.dependencies = this.defaultDependencies;
        }
        return this[_dependencies];
      }
    }, {
      key: 'defaultDependencies',
      get: function get() {
        return [];
      }
    }]);

    return DependenciesAware;
  }(superClass);
});