https://github.com/phodal/ddm

A simple DDD library by powerful. Design for Front-End to create Bounded Context Model.
https://github.com/phodal/ddm

Last synced: 3 months ago
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A simple DDD library by powerful. Design for Front-End to create Bounded Context Model.

• Host: GitHub
• URL: https://github.com/phodal/ddm
• Owner: phodal
• License: mit
• Created: 2016-06-20T12:12:32.000Z (over 8 years ago)
• Default Branch: master
• Last Pushed: 2016-06-24T00:56:42.000Z (over 8 years ago)
• Last Synced: 2024-05-08T03:21:40.340Z (6 months ago)
• Language: JavaScript
• Homepage:
• Size: 220 KB
• Stars: 29
• Watchers: 4
• Forks: 8
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
Domain Double Model

===

[![Build Status](https://travis-ci.org/phodal/ddm.svg?branch=master)](https://travis-ci.org/phodal/ddm)

[![Test Coverage](https://codeclimate.com/github/phodal/ddm/badges/coverage.svg)](https://codeclimate.com/github/phodal/ddm/coverage)

[![Code Climate](https://codeclimate.com/github/phodal/ddm/badges/gpa.svg)](https://codeclimate.com/github/phodal/ddm)

> A simple library for Front-End to create Bounded Context Model.

Install

---

Bower:

```bash

bower install ddm

```

    

NPM:

    

```bash

npm install ddm

```

Usage

---

Usage:

```javascript

var ddm = new DDM();

originObject = {

  title: 'hello',

  blog: 'fdsf asdf fadsf ',

  author: 'phodal'

};

var newObject = {};

```

Basic Example:

    

```javascript

ddm.get(['title']).from(originObject).to(newObject);

```

Result

    

> {title: "hello"}

With Remove:

```javascript

ddm.get(['title', 'blog', 'author'])

  .from(originObject)

  .remove('title')

  .to(newObject);

```

Result: 

>  {blog: "fdsf asdf fadsf ", author: "phodal"}

With Add:

```javascript

ddm.get(['title'])

  .from(originObject)

  .add('tag', 'hello,world,linux')

  .to(newObject);

```

Result:

> {tag: "hello,world,linux", title: "hello"}

With Custom Handle:

```javascript

function handler(blog) {

  return blog[0];

}

ddm.get(['title', 'blog', 'author'])

  .from(originObject)

  .handle("blog", handler)

  .to(newObject);

```

Result:

> {title: "hello", blog: "A", author: "phodal"}

With Replace:

```javascript

 ddm.get(['title', 'blog', 'author'])

   .from(originObject)

   .replace("blog", "description")

   .to(newObject);

```

Result:

> {description: "fdsf asdf fadsf ", title: "hello", author: "phodal"}

DDM

---

 

对于我们的几个不同业务情景下，我们只使用同一个后台API的情形。如下图所示：

![Domain Double Model](./imgs/ddm.png)

在我们的Blog Model里，我们有``Author``、``Title``、``Slug``、``Content``、``Data``几个字段。

而在我们使用的时候，我们需要依据这个模型应用到不同的场景下：

 - 面向读者的Model，只有``Tag``、``Title``、``Author``、``Date``、``Content``五个字段。

 - 面向SEO时，只有``Tag``、``Title``、``Date``、基于``Content``的``Description``四个字段。

 - 面向RSS时，则有``Title``、``Author``、``Date``、``Content``、``Slug``五个字段。

如果我们使用的是同一个模型，那么我们就很难做到分离上下文。并且在三种不同的场景下，Blog Model的含义都是不一样的。

于是，我们就需要想办法去区分不同的模型——这在后台来说是一件很容易的事。但是在前台谁想这样做？在这其中使用复杂的OO思想？

所以，我们有了DDM。 

License

---

[![Phodal's Idea](http://brand.phodal.com/shields/idea-small.svg)](http://ideas.phodal.com/)

© 2016 [Phodal Huang](https://www.phodal.com). This code is distributed under the MIT License. See `LICENSE` in this directory.

[![待我代码编成,娶你为妻可好](http://brand.phodal.com/slogan/slogan.svg)](http://www.xuntayizhan.com/person/ji-ke-ai-qing-zhi-er-shi-dai-wo-dai-ma-bian-cheng-qu-ni-wei-qi-ke-hao-wan/)