cibernox/ember-cpm

import { resolveKeysUnsafe } from '../utils';

/**
   Conditional computed property

   Example:
   ```js
    var Person = Ember.Object.extend({
      canDrink: EmberCPM.Macros.conditional(Ember.computed.gte('age', 21), 'yes', 'no')
    });
    var boy = Person.create({age: 15});

    boy.get('canDrink') // 'no'
  ```
  @method conditions
  @for macros
  @param {String|ComputedProperty} Dependent key or CP with truthy/falsy value.
  @param {Number|String|ComputedProperty} Positive value, key or CP. Used if the first params is truthy
  @param {Number|String|ComputedProperty} Negative value, key or CP. Used if the first params is falsy
  @return the second or third parameter.
 */
export default resolveKeysUnsafe((condition, positive, negative) => {
  return condition ? positive : negative;
});