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fis3-parser-precompile-art-template

v1.1.0

Published

[email protected] precompile engine

Downloads

2

Readme

fis3-parser-precompile-art-template

根据官方最新的[email protected]内置的recompile方法,借鉴官方的art-template-loader和fis3官方插件规范编写。

预编译

通过这个插件,把.tpl.art等自定义的模板文件,编译成js文件,如果fis.match()中设置了isMod:true,将编译产出的文件按照commonjs规范,导出编译后的渲染函数,如:

module.exports = function () {}

再经过fis3的自动包裹成符合mod.js模块加载器的前端规范:

define('src/components/table.tpl',function(require, exports, module){
    module.exports = function () {}
})

配置

fis-config.js文件中添加如下配置(支持template.defaults中所以的设置):

fis.match('*.{tpl, art}', {
    rExt: '.js',
    isMod: true,
    parser:fis.plugin('precompile-art-template',{
        sourceMap: false,
        minimize: false,
        compileDebug: false,
        escape: false,
        cache: false
    })
});

使用

npm install fis3-parser-precompile-art-template -g (全局安装) npm install fis3-parser-precompile-art-template -D (项目开发安装)

在需要引入的页面中,引入模板文件,这样做的目的是,在浏览器中,可以不依赖与art-template库,直接在浏览器中运行,相比于使用template-web.js在浏览器中运行时编译,提高性能,特别是在ie8这样的低版本浏览器,效果更明显。

var renderTable = require('../../components/table/table.tpl');
// 返回的直接就是渲染函数
var tableHtml = renderTable({
    title:'表格标题'
})
// 插入到文档页面中
$('body').append(tableHtml);

编译后

这是一个tableCol.tpl模板经过fis3-parser-precompile-art-template插件处理后的,返回一个渲染函数,这个函数不需要依赖art-template库,但内部运行需要art-template/lib/runtime,这个运行时环境插件也会帮我们打包好,无需关系。

define('src/components/table/tableCol.tpl', function(require, exports, module) {

  var $imports = require("node_modules/art-template/lib/runtime");
  module.exports = function ($data) {
      'use strict';
      $data = $data || {};
      var $$out = '', caption = $data.caption, $escape = $imports.$escape, $each = $imports.$each, theads = $data.theads, item = $data.item, headIndex = $data.headIndex, tbodys = $data.tbodys, row = $data.row, bodyIndex = $data.bodyIndex, value = $data.value, key = $data.key;
      $$out += '<div class="table-wrap"> ';
      if (caption) {
          $$out += ' <h5>';
          $$out += $escape(caption);
          $$out += '</h5> ';
      }
      $$out += ' <table class="table table-bordered table-hover table-condensed" role="gird"><thead><tr> ';
      $each(theads, function (item, headIndex) {
          $$out += ' <th>';
          $$out += $escape(item.title);
          $$out += '</th> ';
      });
      $$out += ' </tr></thead><tbody> ';
      $each(tbodys, function (row, bodyIndex) {
          $$out += ' <tr> ';
          $each(theads, function (item, headIndex) {
              $$out += ' ';
              $each(row, function (value, key) {
                  $$out += ' ';
                  if (key === item.name) {
                      $$out += ' <td>';
                      $$out += row[item.name];
                      $$out += '</td> ';
                  }
                  $$out += ' ';
              });
              $$out += ' ';
          });
          $$out += ' </tr> ';
      });
      $$out += ' </tbody></table></div>';
      return $$out;
  };
});

注意:模板函数内部$imports变量,依赖运行时runtime,而runtime时靠插件内部precompile来静态分析的,所以使用该插件时候,除了要在全局(-g)中安装外,项目(-D)里面也需要,才能保证最终分析出runtime路径:var $imports = require("node_modules/art-template/lib/runtime");