手把手教你vue-cli单页到多页应用的方法

'use strict'
const path = require('path')
const config = require('../config')
const ExtractTextPlugin = require('extract-text-webpack-plugin')
const packageConfig = require('../package.json')

//add
const glob = require('glob');
const HtmlWebpackPlugin = require('html-webpack-plugin');  //功能：生成html文件及js文件并把js引入html
const pagePath = path.resolve(__dirname, '../src/views/'); //页面的路径，比如这里我用的views，那么后面私服加入的文件监控器就会从src下面的views下面开始监控文件
//end

exports.assetsPath = function (_path) {
 const assetsSubDirectory = process.env.NODE_ENV === 'production'
  ? config.build.assetsSubDirectory
  : config.dev.assetsSubDirectory

 return path.posix.join(assetsSubDirectory, _path)
}

exports.cssLoaders = function (options) {
 options = options || {}

 const cssLoader = {
  loader: 'css-loader',
  options: {
   sourceMap: options.sourceMap
  }
 }

 const postcssLoader = {
  loader: 'postcss-loader',
  options: {
   sourceMap: options.sourceMap
  }
 }

 // generate loader string to be used with extract text plugin
 function generateLoaders (loader, loaderOptions) {
  const loaders = options.usePostCSS ? [cssLoader, postcssLoader] : [cssLoader]

  if (loader) {
   loaders.push({
    loader: loader + '-loader',
    options: Object.assign({}, loaderOptions, {
     sourceMap: options.sourceMap
    })
   })
  }

  // Extract CSS when that option is specified
  // (which is the case during production build)
  if (options.extract) {
   return ExtractTextPlugin.extract({
    use: loaders,
    fallback: 'vue-style-loader'
   })
  } else {
   return ['vue-style-loader'].concat(loaders)
  }
 }

 // https://vue-loader.vuejs.org/en/configurations/extract-css.html
 return {
  css: generateLoaders(),
  postcss: generateLoaders(),
  less: generateLoaders('less'),
  sass: generateLoaders('sass', { indentedSyntax: true }),
  scss: generateLoaders('sass'),
  stylus: generateLoaders('stylus'),
  styl: generateLoaders('stylus')
 }
}

// Generate loaders for standalone style files (outside of .vue)
exports.styleLoaders = function (options) {
 const output = []
 const loaders = exports.cssLoaders(options)

 for (const extension in loaders) {
  const loader = loaders[extension]
  output.push({
   test: new RegExp('\\.' + extension + '$'),
   use: loader
  })
 }

 return output
}

exports.createNotifierCallback = () => {
 const notifier = require('node-notifier')

 return (severity, errors) => {
  if (severity !== 'error') return

  const error = errors[0]
  const filename = error.file && error.file.split('!').pop()

  notifier.notify({
   title: packageConfig.name,
   message: severity + ': ' + error.name,
   subtitle: filename || '',
   icon: path.join(__dirname, 'logo.png')
  })
 }
}

//add 新增一个方法处理入口文件（单页应用的入口都是写死，到时候替换成这个方法）
exports.createEntry = () => {
 let files = glob.sync(pagePath + '/**/*.js');
 let entries = {};
 let basename;
 let foldername;

 files.forEach(entry => {
  // Filter the router.js
  basename = path.basename(entry, path.extname(entry), 'router.js');
  foldername = path.dirname(entry).split('/').splice(-1)[0];

  // If foldername not equal basename, doing nothing
  // The folder maybe contain more js files, but only the same name is main
  if (basename === foldername) {
   entries[basename] = [
    'webpack-hot-middleware/client?noInfo=true&reload=true&path=/__webpack_hmr&timeout=20000',
    entry];
  }
 });
 return entries;
};
//end

//add 新增出口文件
exports.createHtmlWebpackPlugin = () => {
 let files = glob.sync(pagePath + '/**/*.html', {matchBase: true});
 let entries = exports.createEntry();
 let plugins = [];
 let conf;
 let basename;
 let foldername;

 files.forEach(file => {
  basename = path.basename(file, path.extname(file));
  foldername = path.dirname(file).split('/').splice(-1).join('');

  if (basename === foldername) {
   conf = {
    template: file,
    filename: basename + '.html',
    inject: true,
    chunks: entries[basename] ? [basename] : []
   };
   if (process.env.NODE_ENV !== 'development') {
    conf.chunksSortMode = 'dependency';
    conf.minify = {
     removeComments: true,
     collapseWhitespace: true,
     removeAttributeQuotes: true
    };
   }

   plugins.push(new HtmlWebpackPlugin(conf));
  }
 });
 return plugins;
};
//end