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ember-computed-sortby

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Ember-computed-sortby

Addon to make sorting a little easier for Ember.js when the sort order is immutable. This addon was originally a proof of concept for emberjs/rfcs#87. However that RFC was rejected, so this will continue to live on as an addon.

Documentation

A computed property which returns a new sorted array of content from thea dependent array. The sort order is defined by the second, and any subsequent,string arguments. Adding a suffix of ':desc' to any of those string argumentswill cause that order to be applied as descending.

Example:

import sortBy from 'ember-computed-sortby';

let ToDoList = Ember.Object.extend({
  // using standard ascending sort
  sortedTodos: sortBy('todos', 'name'),

  // using descending sort
  sortedTodosDesc: sortBy('todos', 'name:desc'),

  // using secondary sort
  sortedPriority: sortBy('todos', 'priority', 'name')
});

let todoList = ToDoList.create({todos: [
  { name: 'Unit Test', priority: 2 },
  { name: 'Documentation', priority: 3 },
  { name: 'Integration Test', priority: 2 },
  { name: 'Release', priority: 1 }
]});

todoList.get('sortedTodos');      // [{ name:'Documentation', priority:3 }, { name: 'Integration Test', priority: 2 }, { name:'Release', priority:1 }, { name:'Unit Test', priority:2 }]
todoList.get('sortedTodosDesc');  // [{ name:'Unit Test', priority:2 }, { name:'Release', priority:1 }, { name: 'Integration Test', priority: 2 }, { name:'Documentation', priority:3 }]
todoList.get('priorityTodos');    // [{ name:'Release', priority:1 }, { name: 'Integration Test', priority: 2 }, { name:'Unit Test', priority:2 }, { name:'Documentation', priority:3 }]

Method documentation:

@method sort
@for Ember.computed
@param {String} itemsKey
@param {String} property name(s) to sort on. Append ':desc' to trigger sort to be applied as descending.
@return {Ember.ComputedProperty} computes a new sorted array based on the sort property array
@public

Installing this addon

From within your Ember CLI project directory:

ember install ember-computed-sortby

Running Tests

Setup

git clone this repository
yarn install

Testing

ember test
ember test --server

使用案例

关于Ember的一些小技巧总结

接触ember并使用它做项目快一年时间了，中间遇到问题、解决问题，现想对其在使用过程中的一些小技巧做个总结。 controllerFor 当你在A Route中需要用到B Route中的数据什么的，这个时候controllerFor就派上用场了。 needs 有的时候，控制器需要依赖其他控制器，这是通过“注入”来实现的。具体使用方法如下： needs: ['monitorErrorList'],
一起参Ember.js讨论、问答社区。

原文地址：Ember Teach Ember.js讨论、问答社区。为了大家能更深入学习Ember.js，我没天都会发一个API出来供大家学习，每天3个。量少而慢慢积累，希望这是一种更好的学习API的方式。另外，每隔几天我会提出一个小问题，让家伙参与进来，根据问题而发表自己的看法，群众的智慧是无穷的，在思想的碰撞中肯定能收获更多。参与问题讨论地址 API学习计划 Ember.computed

ember-computed-sortby

Ember-computed-sortby

Documentation

Installing this addon

Running Tests

Setup

Testing

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