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wutpl

v3.0.1

Published

js template

Readme

wutpl.js

极简高性能模板引擎

特点

本模板引擎主要解决以下问题

  • 有的模板引擎语法太复杂或者比较奇怪
  • 有的模板引擎性能性能较差,比如使用了 with
  • 有的模板引擎不能直接使用全局变量(比如 parseInt, Math, JSON 等)
  • 有的模板引擎使用变量需要加前缀,比如 this.value, data.value, it.value

性能测试

点这测试
性能测试

使用方法

<!DOCTYPE html>
<html>

<head>
  <!-- 1: 引入wutpl,支持 es6 requireJS seaJS -->
  <script src="../wutpl.js"></script>
</head>

<body>

  <!-- 2: 编写模板 -->
  <div id="tpl">
    {for list item}
    <span>{item}</span>
    {/for}
  </div>

  <!-- 3: 编译与渲染 -->
  <script>
    var render = wutpl(tpl)
    render({
      list: [1, 2, 3]
    })
  </script>

</body>

</html>

安装

npm i -D wutpl

or

<script src="../wutpl.js"></script>

API

var render = wutpl(tpl)
var html = render(data)
var html = wutpl(tpl, data)
  • tpl: {String|Node} 字符串模板或者dom节点,dom节点使用innerHTML作为模板
  • data: {Object} 模板数据
  • render(data): {Function} 渲染函数,若模板为dom节点,render会自动更新视图
  • html: {String} 渲染后的html字符串

模板语法

  • 超简洁的模板语法
 {for array item index?} {/for}

 {for object value key? index?} {/for}

 {if bool} yes {else} no {/if}

 {text}

 {#html}
  • wutpl-src
<!-- 如果用html节点做为模板,浏览器解析到该节点马上就请求{src},会有一个不必要的404 -->
<img src="{src}">
<!-- 可以这样去掉这个404 -->
<img wutpl-src="{src}">
  • table each
<!-- 如果用html节点做为模板, `<table>` 等标签之间是不允许有文本的,可用注释写法 -->
<table>
  <tbody>
    <!-- {for list item} -->
    <tr>
      <td>{item.name}</td>
    </tr>
    <!-- {/for} -->
  </tbody>
</table>

标签配置

默认

  wutpl.leftTag = '<!-- {|{'
  wutpl.rightTag = '} -->|}'

可以自定义为双花括号

  wutpl.leftTag = '<!-- {{|{{'
  wutpl.rightTag = '}} -->|}}'

实例