aurelia-bootstrap/doc/jspm_packages/npm/aurelia-templating-resources@1.2.0/repeat-strategy-locator.js

Bootstrap components written in Aurelia.

/* */ 
define(['exports', './null-repeat-strategy', './array-repeat-strategy', './map-repeat-strategy', './set-repeat-strategy', './number-repeat-strategy'], function (exports, _nullRepeatStrategy, _arrayRepeatStrategy, _mapRepeatStrategy, _setRepeatStrategy, _numberRepeatStrategy) {
  'use strict';

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

  

  var RepeatStrategyLocator = exports.RepeatStrategyLocator = function () {
    function RepeatStrategyLocator() {
      

      this.matchers = [];
      this.strategies = [];

      this.addStrategy(function (items) {
        return items === null || items === undefined;
      }, new _nullRepeatStrategy.NullRepeatStrategy());
      this.addStrategy(function (items) {
        return items instanceof Array;
      }, new _arrayRepeatStrategy.ArrayRepeatStrategy());
      this.addStrategy(function (items) {
        return items instanceof Map;
      }, new _mapRepeatStrategy.MapRepeatStrategy());
      this.addStrategy(function (items) {
        return items instanceof Set;
      }, new _setRepeatStrategy.SetRepeatStrategy());
      this.addStrategy(function (items) {
        return typeof items === 'number';
      }, new _numberRepeatStrategy.NumberRepeatStrategy());
    }

    RepeatStrategyLocator.prototype.addStrategy = function addStrategy(matcher, strategy) {
      this.matchers.push(matcher);
      this.strategies.push(strategy);
    };

    RepeatStrategyLocator.prototype.getStrategy = function getStrategy(items) {
      var matchers = this.matchers;

      for (var i = 0, ii = matchers.length; i < ii; ++i) {
        if (matchers[i](items)) {
          return this.strategies[i];
        }
      }

      return null;
    };

    return RepeatStrategyLocator;
  }();
});