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mvvm

HTML 11.65% JavaScript 88.35%

mvvm mvvm-framework mvvm-light

minx's Introduction

Minx

Minx是一个简单的MVVM框架.

功能

插值

文本

<h3> {{ title }} </h3>

表达式

{{ age + 1 }}
{{ age ? 'YES' : 'NO' }}
{{ fns['method']('hello') }}

指令

x-model:双向绑定

<input x-model="message">

x-for: 列表

<li x-for="todo:list">
    <div>{{ todo.creator }}</div>
</li>

或者使用索引

<li x-for="(todo:index):list">
    <div>{{ todo.creator }}</div>
</li>

x-attr:[attr]: 为节点添加属性

可以使用字符串进行拼接

<ul :id="title">
<div><a x-attr:href="url">{{ user }}的BLOG</a></div>
<div x-attr:class="user"></div>
<p x-attr:href="url+'/'+todo.id"></p>

x-on:[event]:绑定事件

可以使用参数，实际参数使用数组传入，按照索引使用参数

<button x-on:click="click('Hello')">CLICK TO SAY: Hello</button>

x-if: 是否渲染该节点

<div x-if="value">是否显示</div>

Router.hash

// 获取hash值
let _hash = Router.hash.value;

// 设置hash值
Router.hash.value = { scope: 0, page: 2 }; // url#!/scope=0&page=2

// 获取hash参数值
Router.hash.get('scope'); // 0
Router.hash.get('page');  // 2

// 设置参数值
Router.hash.set('scope', 2); // url#!/scope=2&page=2
Router.hash.set('page', 5);  // url#!/scope=2&page=5

// 绑定事件
Router.hash.change(()=>{alter('change!')});

minx's People

Contributors

Stargazers

Watchers

minx's Issues

列表编译Watcher绑定数据错误

绑定错误

编译列表时，将列表作为子节点单独编译

        _data.value.forEach(item =>{
            const _clone = node.cloneNode(true);

            let item_data = {};
            item_data[_itemDataName] = item;
            item_data.__proto__ = this.$vm;
            let _c = new Compile(_clone, item_data);

            parent.appendChild(_clone);
        });

这样，编译过程中，Watcher会绑定到子数据item_data上，而不是父亲的数据上，导致视图无法更新。

x-attr所有指令支持字符串拼接

x-attr:href支持字符串拼接

< a x-attr:href="'/article/' + id">{{title}}</a>

实现所有属性都支持字符串拼接

数组绑定

数组绑定

数据绑定部分可以劫持普通对象，还不能对数组进行劫持。

更新视图调用自己造成的watcher重复添加

更新视图调用自己造成的watcher重复添加

x-for的父节点如果有其他元素，会被删除

x-for的父节点元素被删除

例如下面例子中的div1和div3会被删除

<div>
     <div id="div1">div1</div>
     <div x-for="item:list">Hello</div>
     <div id="div3"></div>
</div>

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