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webpack 编译模板文件

2018-06-24 01:52:03来源：未知阅读 ()

1、项目结构

安装loader：

npm i html-loader --save-dev
npm i ejs-loader --save-dev

2、模板文件layer.tpl

<div class="layer">
    <div>this is <%= name %> layer</div>
    <% for (var i = 0;i < arr.length; i++) { %>
        <%= arr[i] %>
    <% } %>
</div>

3、layer.js

import './layer.less';
//import tpl from './layer.html';
import tpl from './layer.tpl';
function Layer(){
    return {
        name:'layer',
        tpl:tpl
    }
}
export default Layer;

4、app.js

import  './css/common.css';
import layer from './components/layer/layer.js'
const App = function(){
    var dom= document.getElementById('app');
    var Layer = new layer();
    dom.innerHTML = Layer.tpl({
        name:'john',
        arr:['apple','xiaomi','oppo']
    });
}

new App()

注意：

Layer.tpl是函数。

5、webpack.config.js

var htmlWebpackPlugin = require('html-webpack-plugin');
module.exports = {
    entry: './src/app.js',
    output: {
        path: __dirname + '/dist',
        filename: 'js/[name].js'
    },
    module: {
        loaders: [{
                test: /\.js$/,
                //以下目录不处理
                exclude: /node_modules/,
                //只处理以下目录
                include: /src/,
                loader: "babel-loader",
                //配置的目标运行环境（environment）自动启用需要的 babel 插件
                query: {
                    presets: ['latest']
                }
            },
            //css 处理这一块
            {
                test: /\.css$/,
                use: [
                    'style-loader',
                    {
                        loader: 'css-loader',
                        options: {
                            //支持@important引入css
                            importLoaders: 1
                        }
                    },
                    {
                        loader: 'postcss-loader',
                        options: {
                            plugins: function() {
                                return [
                                    //一定要写在require("autoprefixer")前面，否则require("autoprefixer")无效
                                    require('postcss-import')(),
                                    require("autoprefixer")({
                                        "browsers": ["Android >= 4.1", "iOS >= 7.0", "ie >= 8"]
                                    })
                                ]
                            }
                        }
                    }
                ]
            },
            //less 处理这一块
            {
                test: /\.less$/,
                use: ['style-loader',
                    {
                        loader: 'css-loader',
                        options: {
                            //支持@important引入css
                            importLoaders: 1
                        }
                    },
                    {
                        loader: 'postcss-loader',
                        options: {
                            plugins: function() {
                                return [
                                    //一定要写在require("autoprefixer")前面，否则require("autoprefixer")无效
                                    require('postcss-import')(),
                                    require("autoprefixer")({
                                        "browsers": ["Android >= 4.1", "iOS >= 7.0", "ie >= 8"]
                                    })
                                ]
                            }
                        }
                    },
                    'less-loader'
                ]
            },
            //处理html模板
            {
                test: /\.html$/,
                use: {
                    loader: 'html-loader'
                }
            },
            //处理tpl模板
            { 
                test: /\.tpl$/, 
                loader: 'ejs-loader' 
            },
        ]
    },
    plugins: [
        new htmlWebpackPlugin({
            template: 'index.html',
            filename: 'index.html'
        })
    ]
}