Vue cli3 通用多頁面腳手架

目前 vue-cli3 生成的配置是作單頁面的,然而,咱們有時也會有多頁面的需求 。好比咱們最多見的一個項目跑多個獨立的小型的H5頁面,這些頁面不可能每一次都開一個新項目.可是在實際的項目中,咱們須要這樣的腳手架,參考了不少大牛的腳手架,這裏提供了一種個人單頁面腳手架轉換爲多頁面腳手架的方案,供你們參考。css

要求:

  • 1.首頁顯示項目全部的H5連接列表;
  • 2.支持小型本地收據mock,方便本地測試接口【我我的不推薦,建議mock和項目分離】

準備

使用vue-cli生成一個你須要的單頁面項目腳手架,而後咱們就能夠隨心所欲了,目錄我就不說明了,默認你們都知道。html

每一次新開的頁面都在pages裏面起一個文件夾,文件夾名字就是H5頁面名字,入口文件是文件夾的index.html和index.jsvue

修改vue.config.jswebpack

let path = require('path')
let glob = require('glob')
let mock = require('./src/mock/index.json');
var BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
//配置pages多頁面獲取當前文件夾下的html和js
function getEntry(globPath) {
	let entries = {};
	glob.sync(globPath).forEach(function(entry) {
		var tmp = entry.split('/').splice(-3);
		entries[tmp[1]] = {
			entry: 'src/' + tmp[0] + '/' + tmp[1] + '/' + 'index.js',
			template: 'src/' + tmp[0] + '/' + tmp[1] + '/' + 'index.html',
			filename: tmp[1]
		};
	});
	return entries;
}

let pages = getEntry('./src/pages/**?/*.html');

module.exports = {
	lintOnSave: false, 
	baseUrl: process.env.NODE_ENV === "production" ? 'https://www.baidu.com/' : '/',
	productionSourceMap: false,
	pages,
	devServer: {
		index: '/', 
		open: process.platform === 'darwin',
		host: '',
		port: 9527,
		https: false,
		hotOnly: false,
		proxy: {
			'/xrf/': {
				target: 'http://reg.tool.hexun.com/',
				changeOrigin: true,
				pathRewrite: {
					'^/xrf': ''
				}
			},
		}, // 設置代理
		before: app => {     
			app.get('/', (req, res, next) => {
				for(let i in pages){
					res.write(`<a target="_self" href="/${i}">/${i}</a></br>`);
				}
				res.end()
			});
			app.get('/goods/list', (req, res, next) => {  //mock數據
				res.status(299).json(mock)
			})
		}
	},
	chainWebpack: config => {
		config.module
			.rule('images')
			.use('url-loader')
			.loader('url-loader')
			.tap(options => {
				// 修改它的選項...
				options.limit = 100
				return options
			})
		Object.keys(pages).forEach(entryName => {
			config.plugins.delete(`prefetch-${entryName}`);
		});
		if(process.env.NODE_ENV === "production") {
			config.plugin("extract-css").tap(() => [{
				path: path.join(__dirname, "./dist"),
				filename: "css/[name].[contenthash:8].css"
			}]);
		}
	},
	configureWebpack: config => {
		//		if(process.env.NODE_ENV === "production") {
		//			config.output = {
		//				path: path.join(__dirname, "./dist"),
		//				filename: "js/[name].[contenthash:8].js"			
		//			};
		//		}
	}
}
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啓動項目,顯示項目全部H5鏈接ios

最主要的是修改:git

before第一個參數express實例。github

before: app => {     
			app.get('/', (req, res, next) => {
				for(let i in pages){    //遍歷項目連接
					res.write(`<a target="_self" href="/${i}">/${i}</a></br>`);
				}
				res.end()
			});
			app.get('/goods/list', (req, res, next) => {  //mock數據
				res.status(299).json(mock)
			})
		}
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行了,不說了,這幾天北京太冷了,打字都不利索,暫且到此爲止吧!web


vue-cli3 全面配置(持續更新)

其餘系列

Nuxt.js 全面配置vue-router

目錄vuex

☞ CSS瀏覽器兼容前綴

你們改一下看下本身package.json中的,便可。"browserslist": [
  "> 1%",
  "last 2 versions",
  "last 10 Chrome versions",
  "last 5 Firefox versions",
  "Safari >= 6",
  "ie > 8"
]
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browserList: [
		"last 20 Chrome versions",
		"last 20 Firefox versions",
		"last 20 Opera versions",
		"Explorer >= 11",
		"Safari >= 8",
		"Android >= 4.4",
		"iOS >= 8"
	],

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☞ 配置多環境變量

  經過在 package.json 裏的 scripts 配置項中添加--mode xxx 來選擇不一樣環境

  在項目根目錄中新建.env, .env.production, .env.analyz 等文件

  只有以 VUE_APP 開頭的變量會被 webpack.DefinePlugin 靜態嵌入到客戶端側的包中,代碼中能夠經過 process.env.VUE_APP_BASE_API 訪問

  NODE_ENV 和 BASE_URL 是兩個特殊變量,在代碼中始終可用

.env serve 默認的環境變量
NODE_ENV = 'development'
VUE_APP_BASE_API = 'https://demo.cn/api'
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.env.production build 默認的環境變量

  若是開啓 ali oss,VUE_APP_SRC 配置爲 ali oss 資源 url 前綴,如:'staven.oss-cn-hangzhou.aliyuncs.com/demo'

NODE_ENV = 'production'

VUE_APP_BASE_API = 'https://demo.com/api'
VUE_APP_SRC = '/'

ACCESS_KEY_ID = ''
ACCESS_KEY_SECRET = ''
REGION = 'oss-cn-hangzhou'
BUCKET = 'staven'
PREFIX = 'demo'
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.env.analyz 用於 webpack-bundle-analyzer 打包分析

  若是開啓 ali oss,VUE_APP_SRC 配置爲 ali oss 資源 url 前綴,如:'staven.oss-cn-hangzhou.aliyuncs.com/demo'

NODE_ENV = 'production'
IS_ANALYZ = 'analyz'

VUE_APP_BASE_API = 'https://demo.com/api'
VUE_APP_SRC = '/'

ACCESS_KEY_ID = ''
ACCESS_KEY_SECRET = ''
REGION = 'oss-cn-hangzhou'
BUCKET = 'staven'
PREFIX = 'demo'
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  修改 package.json

"scripts": {
  "serve": "vue-cli-service serve",
  "build": "vue-cli-service build",
  "analyz": "vue-cli-service build --mode analyz",
  "lint": "vue-cli-service lint"
}
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☞ 配置基礎 vue.config.js

const IS_PROD = ['production', 'prod'].includes(process.env.NODE_ENV);

module.exports = {
  baseUrl: './', // 默認'/',部署應用包時的基本 URL
  outputDir: process.env.outputDir || 'dist', // 'dist', 生產環境構建文件的目錄
  assetsDir: '',  // 相對於outputDir的靜態資源(js、css、img、fonts)目錄
  lintOnSave: false,
  runtimeCompiler: true, // 是否使用包含運行時編譯器的 Vue 構建版本
  productionSourceMap: false,  // 生產環境的 source map
  parallel: require('os').cpus().length > 1,
  pwa: {}
};
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☞ 配置 proxy 跨域

const IS_PROD = ['production', 'prod'].includes(process.env.NODE_ENV);
module.exports = {
    devServer: {
        // overlay: {
        //   warnings: true,
        //   errors: true
        // },
        open: IS_PROD,
        host: '0.0.0.0',
        port: 8000,
        https: false,
        hotOnly: false,
        proxy: {
          '/api': {
            target: process.env.VUE_APP_BASE_API || 'http://127.0.0.1:8080',
            changeOrigin: true
          }
        }
    }
}
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☞ 修復 HMR(熱更新)失效

module.exports = {
    chainWebpack: config => {
        // 修復HMR
        config.resolve.symlinks(true);
    }
}
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☞ 修復 Lazy loading routes Error: Cyclic dependency github.com/vuejs/vue-c…

module.exports = {
    chainWebpack: config => {
        config.plugin('html').tap(args => {
            args[0].chunksSortMode = 'none';
            return args;
        });
    }
}
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☞ 添加別名

const path =  require('path');
const resolve = (dir) => path.join(__dirname, dir);
const IS_PROD = ['production', 'prod'].includes(process.env.NODE_ENV);

module.exports = {
    chainWebpack: config => {
        // 添加別名
        config.resolve.alias
          .set('@', resolve('src'))
          .set('assets', resolve('src/assets'))
          .set('components', resolve('src/components'))
          .set('layout', resolve('src/layout'))
          .set('base', resolve('src/base'))
          .set('static', resolve('src/static'));
    }
}
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☞ 壓縮圖片

npm i -D image-webpack-loader
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module.exports = {
  chainWebpack: config => {
    config.module
      .rule("images")
      .use("image-webpack-loader")
      .loader("image-webpack-loader")
      .options({
        mozjpeg: { progressive: true, quality: 65 },
        optipng: { enabled: false },
        pngquant: { quality: "65-90", speed: 4 },
        gifsicle: { interlaced: false },
        webp: { quality: 75 }
      });
  }
}
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☞ 去除多餘無效的 css

  • 方案一:@fullhuman/postcss-purgecss
npm i -D postcss-import @fullhuman/postcss-purgecss
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  更新 postcss.config.js

const autoprefixer = require("autoprefixer");
const postcssImport = require("postcss-import");
const purgecss = require("@fullhuman/postcss-purgecss");

const IS_PROD = ["production", "prod"].includes(process.env.NODE_ENV);
let plugins = [];

if (IS_PROD) {
  plugins.push(postcssImport);
  plugins.push(
    purgecss({
      content: ["./src/**/*.vue"],
      extractors: [
        {
          extractor: class Extractor {
            static extract(content) {
              const validSection = content.replace(
                /<style([\s\S]*?)<\/style>+/gim,
                ""
              );
              return validSection.match(/[A-Za-z0-9-_:/]+/g) || [];
            }
          },
          extensions: ["vue"]
        }
      ]
    })
  );
}

module.exports = {
  plugins: [...plugins, autoprefixer]
};

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  • 方案二:purgecss-webpack-plugin
npm i --save-dev glob-all purgecss-webpack-plugin
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const path = require("path");
const glob = require("glob-all");
const PurgecssPlugin = require("purgecss-webpack-plugin");
const resolve = dir => path.resolve(__dirname, dir);
const IS_PROD = ["production", "prod"].includes(process.env.NODE_ENV);

module.exports = {
  configureWebpack: config => {
    if (IS_PROD) {
      const plugins = [];
      plugins.push(
        new PurgecssPlugin({
          paths: glob.sync([resolve("./**/*.vue")]),
          extractors: [
            {
              extractor: class Extractor {
                static extract(content) {
                  const validSection = content.replace(
                    /<style([\s\S]*?)<\/style>+/gim,
                    ""
                  );
                  return validSection.match(/[A-Za-z0-9-_:/]+/g) || [];
                }
              },
              extensions: ["vue"]
            }
          ],
          whitelist: ["html", "body"]
        })
      );
      config.plugins = [...config.plugins, ...plugins];
    }
  }
};
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☞ 添加打包分析

const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;

module.exports = {
    chainWebpack: config => {
        // 打包分析
        if (process.env.IS_ANALYZ) {
          config.plugin('webpack-report')
            .use(BundleAnalyzerPlugin, [{
              analyzerMode: 'static',
            }]);
        }
    }
}
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☞ 配置 externals

  防止將某些 import 的包(package)打包到 bundle 中,而是在運行時(runtime)再去從外部獲取這些擴展依賴

module.exports = {
    configureWebpack: config => {
        config.externals = {
          'vue': 'Vue',
          'element-ui': 'ELEMENT',
          'vue-router': 'VueRouter',
          'vuex': 'Vuex',
          'axios': 'axios'
        }
    }
}
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☞ 去掉 console.log

方法一:
const UglifyJsPlugin = require('uglifyjs-webpack-plugin');
module.exports = {
    configureWebpack: config => {
        if (IS_PROD) {
            const plugins = [];
            plugins.push(
                new UglifyJsPlugin({
                    uglifyOptions: {
                        compress: {
                            warnings: false,
                            drop_console: true,
                            drop_debugger: false,
                            pure_funcs: ['console.log']//移除console
                        }
                    },
                    sourceMap: false,
                    parallel: true
                })
            );
            config.plugins = [
                ...config.plugins,
                ...plugins
            ];
        }
    }
}
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方法二:使用 babel-plugin-transform-remove-console 插件
npm i --save-dev babel-plugin-transform-remove-console
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在 babel.config.js 中配置

const plugins = [];
if(['production', 'prod'].includes(process.env.NODE_ENV)) {
  plugins.push("transform-remove-console")
}

module.exports = {
  presets: [["@vue/app",{"useBuiltIns": "entry"}]],
  plugins: plugins
};

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☞ 開啓 gzip 壓縮

npm i --save-dev compression-webpack-plugin
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const CompressionWebpackPlugin = require('compression-webpack-plugin');
const productionGzipExtensions = /\.(js|css|json|txt|html|ico|svg)(\?.*)?$/i;

module.exports = {
    configureWebpack: config => {
        if (IS_PROD) {
            const plugins = [];
            plugins.push(
                new CompressionWebpackPlugin({
                    filename: '[path].gz[query]',
                    algorithm: 'gzip',
                    test: productionGzipExtensions,
                    threshold: 10240,
                    minRatio: 0.8
                })
            );
            config.plugins = [
                ...config.plugins,
                ...plugins
            ];
        }
    }
}
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  還能夠開啓比 gzip 體驗更好的 Zopfli 壓縮詳見webpack.js.org/plugins/com…

npm i --save-dev @gfx/zopfli brotli-webpack-plugin
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const CompressionWebpackPlugin = require('compression-webpack-plugin');
const zopfli = require("@gfx/zopfli");
const BrotliPlugin = require("brotli-webpack-plugin");
const productionGzipExtensions = /\.(js|css|json|txt|html|ico|svg)(\?.*)?$/i;

module.exports = {
    configureWebpack: config => {
        if (IS_PROD) {
            const plugins = [];
            plugins.push(
                new CompressionWebpackPlugin({
                    algorithm(input, compressionOptions, callback) {
                      return zopfli.gzip(input, compressionOptions, callback);
                    },
                    compressionOptions: {
                      numiterations: 15
                    },
                    minRatio: 0.99,
                    test: productionGzipExtensions
                })
            );
            plugins.push(
                new BrotliPlugin({
                    test: productionGzipExtensions,
                    minRatio: 0.99
                })
            );
            config.plugins = [
                ...config.plugins,
                ...plugins
            ];
        }
    }
}
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☞ 爲 sass 提供全局樣式,以及全局變量

  能夠經過在 main.js 中 Vue.prototype.src = process.env.VUE_APP_SRC;掛載環境變量中的配置信息,而後在js中使用src 訪問。

  css 中可使用注入 sass 變量訪問環境變量中的配置信息

module.exports = {
    css: {
        modules: false,
        extract: IS_PROD,
        sourceMap: false,
        loaderOptions: {
          sass: {
            // 向全局sass樣式傳入共享的全局變量
            data: `@import "~assets/scss/variables.scss";$src: "${process.env.VUE_APP_SRC}";`
          }
        }
    }
}
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在 scss 中引用

.home {
    background: url($src + '/images/500.png');
}
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☞ 爲 stylus 提供全局變量

npm i -D style-resources-loader
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const path = require('path')
const resolve = dir => path.resolve(__dirname, dir)
const addStylusResource = rule => {
  rule
    .use('style-resouce')
    .loader('style-resources-loader')
    .options({
      patterns: [resolve('src/assets/stylus/variable.styl')]
    })
}
module.exports = {
  chainWebpack: config => {
    const types = ['vue-modules', 'vue', 'normal-modules', 'normal']
    types.forEach(type =>
      addStylusResource(config.module.rule('stylus').oneOf(type))
    )
  }
}
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☞ 添加 IE 兼容

npm i --save @babel/polyfill
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  在 main.js 中添加

import '@babel/polyfill';
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配置 babel.config.js

const plugins = [];

module.exports = {
  presets: [["@vue/app",{"useBuiltIns": "entry"}]],
  plugins: plugins
};

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☞ 文件上傳 ali oss

  開啓文件上傳 ali oss,須要將 baseUrl 改爲 ali oss 資源 url 前綴,也就是修改 VUE_APP_SRC

npm i --save-dev webpack-oss
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const AliOssPlugin = require('webpack-oss');

module.exports = {
    configureWebpack: config => {
        if (IS_PROD) {
            const plugins = [];
            // 上傳文件到oss
            if (process.env.ACCESS_KEY_ID || process.env.ACCESS_KEY_SECRET || process.env.REGION || process.env.BUCKET || process.env.PREFIX) {
                plugins.push(
                    new AliOssPlugin({
                        accessKeyId: process.env.ACCESS_KEY_ID,
                        accessKeySecret: process.env.ACCESS_KEY_SECRET,
                        region: process.env.REGION,
                        bucket: process.env.BUCKET,
                        prefix: process.env.PREFIX,
                        exclude: /.*\.html$/,
                        deleteAll: false
                    })
                );
            }
            config.plugins = [
                ...config.plugins,
                ...plugins
            ];
        }
    }
}
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☞ 完整配置

  • 安裝依賴
npm i -D compression-webpack-plugin babel-plugin-transform-remove-console style-resources-loader
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  其餘依賴(@gfx/zopfli、brotli-webpack-plugin、webpack-oss、glob-all、purgecss-webpack-plugin、postcss-import、@fullhuman/postcss-purgecss、image-webpack-loader)根據需求選擇安裝

  • 環境配置

.env

NODE_ENV = 'development'
VUE_APP_BASE_API = 'https://demo.cn/api'
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.env.production

  若是開啓 ali oss,VUE_APP_SRC 配置爲 ali oss 資源 url 前綴,如:'staven.oss-cn-hangzhou.aliyuncs.com/demo'

NODE_ENV = 'production'

VUE_APP_BASE_API = 'https://demo.com/api'
VUE_APP_SRC = '/'

ACCESS_KEY_ID = ''
ACCESS_KEY_SECRET = ''
REGION = 'oss-cn-hangzhou'
BUCKET = 'staven'
PREFIX = 'demo'
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.env.analyz

  若是開啓 ali oss,VUE_APP_SRC 配置爲 ali oss 資源 url 前綴,如:'staven.oss-cn-hangzhou.aliyuncs.com/demo'

NODE_ENV = 'production'
IS_ANALYZ = 'analyz'

VUE_APP_BASE_API = 'https://demo.com/api'
VUE_APP_SRC = VUE_APP_SRC = '/'

ACCESS_KEY_ID = ''
ACCESS_KEY_SECRET = ''
REGION = 'oss-cn-hangzhou'
BUCKET = 'staven'
PREFIX = 'demo'
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  • package.json
"scripts": {
    "serve": "vue-cli-service serve",
    "build": "vue-cli-service build",
    "analyz": "vue-cli-service build --mode analyz",
    "lint": "vue-cli-service lint"
}
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  • babel.config.js
const plugins = [];
// if(['production', 'prod'].includes(process.env.NODE_ENV)) {
//   plugins.push("transform-remove-console")
// }

module.exports = {
  presets: [["@vue/app",{"useBuiltIns": "entry"}]],
  plugins: plugins
};
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  • postcss.config.js
const autoprefixer = require("autoprefixer");
// const postcssImport = require("postcss-import");
// const purgecss = require("@fullhuman/postcss-purgecss");

const IS_PROD = ["production", "prod"].includes(process.env.NODE_ENV);
let plugins = [];

if (IS_PROD) {
  // plugins.push(postcssImport);
  // plugins.push(
  //   purgecss({
  //     content: ["./src/**/*.vue"],
  //     extractors: [
  //       {
  //         extractor: class Extractor {
  //           static extract(content) {
  //             const validSection = content.replace(
  //               /<style([\s\S]*?)<\/style>+/gim,
  //               ""
  //             );
  //             return validSection.match(/[A-Za-z0-9-_:/]+/g) || [];
  //           }
  //         },
  //         extensions: ["vue"]
  //       }
  //     ]
  //   })
  // );
}

module.exports = {
  plugins: [...plugins, autoprefixer]
};
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  • vue.config.js
const BundleAnalyzerPlugin = require("webpack-bundle-analyzer")
  .BundleAnalyzerPlugin;
const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
const CompressionWebpackPlugin = require("compression-webpack-plugin");
// const zopfli = require("@gfx/zopfli");
// const BrotliPlugin = require("brotli-webpack-plugin");
const AliOssPlugin = require("webpack-oss");

const path = require("path");
const PurgecssPlugin = require("purgecss-webpack-plugin");
const glob = require("glob-all");

const resolve = dir => path.join(__dirname, dir);
const IS_PROD = ["production", "prod"].includes(process.env.NODE_ENV);
const productionGzipExtensions = /\.(js|css|json|txt|html|ico|svg)(\?.*)?$/i;

// 添加stylus規則
// const addStylusResource = rule => {
//   rule
//     .use('style-resouce')
//     .loader('style-resources-loader')
//     .options({
//       patterns: [resolve('src/assets/stylus/variable.styl')]
//     })
// }

module.exports = {
  baseUrl: IS_PROD ? process.env.VUE_APP_SRC || "/" : "./", // 默認'/',部署應用包時的基本 URL
  outputDir: process.env.outputDir || "dist", // 'dist', 生產環境構建文件的目錄
  assetsDir: "", // 相對於outputDir的靜態資源(js、css、img、fonts)目錄
  lintOnSave: false,
  runtimeCompiler: true, // 是否使用包含運行時編譯器的 Vue 構建版本
  productionSourceMap: false, // 生產環境的 source map

  configureWebpack: config => {
    // cdn引用時配置externals
    // config.externals = {
    //     'vue': 'Vue',
    //     'element-ui': 'ELEMENT',
    //     'vue-router': 'VueRouter',
    //     'vuex': 'Vuex',
    //     'axios': 'axios'
    // }

    if (IS_PROD) {
      const plugins = [];

      // 去除多餘css
      // plugins.push(
      //   new PurgecssPlugin({
      //     paths: glob.sync([path.join(__dirname, "./**/*.vue")]),
      //     extractors: [
      //       {
      //         extractor: class Extractor {
      //           static extract(content) {
      //             const validSection = content.replace(
      //               /<style([\s\S]*?)<\/style>+/gim,
      //               ""
      //             );
      //             return validSection.match(/[A-Za-z0-9-_:/]+/g) || [];
      //           }
      //         },
      //         extensions: ["vue"]
      //       }
      //     ],
      //     whitelist: ["html", "body"]
      //   })
      // );

      plugins.push(
        new UglifyJsPlugin({
          uglifyOptions: {
            compress: {
              warnings: false,
              drop_console: true,
              drop_debugger: false,
              pure_funcs: ["console.log"] //移除console
            }
          },
          sourceMap: false,
          parallel: true
        })
      );
      plugins.push(
        new CompressionWebpackPlugin({
          filename: "[path].gz[query]",
          algorithm: "gzip",
          test: productionGzipExtensions,
          threshold: 10240,
          minRatio: 0.8
        })
      );

      // 上傳文件到oss
      //if (process.env.ACCESS_KEY_ID || process.env.ACCESS_KEY_SECRET || process.env.REGION || process.env.BUCKET || process.env.PREFIX) {
      //    plugins.push(
      //        new AliOssPlugin({
      //            accessKeyId: process.env.ACCESS_KEY_ID,
      //            accessKeySecret: process.env.ACCESS_KEY_SECRET,
      //            region: process.env.REGION,
      //            bucket: process.env.BUCKET,
      //            prefix: process.env.PREFIX,
      //            exclude: /.*\.html$/,
      //            deleteAll: false
      //        })
      //    );
      //}

      // Zopfli壓縮,須要響應VC庫 https://webpack.js.org/plugins/compression-webpack-plugin/
      // plugins.push(
      //     new CompressionWebpackPlugin({
      //         algorithm(input, compressionOptions, callback) {
      //             return zopfli.gzip(input, compressionOptions, callback);
      //         },
      //         compressionOptions: {
      //             numiterations: 15
      //         },
      //         minRatio: 0.99,
      //         test: productionGzipExtensions
      //     })
      // );
      // plugins.push(
      //     new BrotliPlugin({
      //         test: productionGzipExtensions,
      //         minRatio: 0.99
      //     })
      // );
      config.plugins = [...config.plugins, ...plugins];
    }
  },
  chainWebpack: config => {
    // 修復HMR
    config.resolve.symlinks(true);

    // 修復Lazy loading routes Error: Cyclic dependency  [https://github.com/vuejs/vue-cli/issues/1669]
    config.plugin("html").tap(args => {
      args[0].chunksSortMode = "none";
      return args;
    });

    // 添加別名
    config.resolve.alias
      .set("@", resolve("src"))
      .set("assets", resolve("src/assets"))
      .set("components", resolve("src/components"))
      .set("layout", resolve("src/layout"))
      .set("base", resolve("src/base"))
      .set("static", resolve("src/static"));

    // 打包分析
    if (process.env.IS_ANALYZ) {
      config.plugin("webpack-report").use(BundleAnalyzerPlugin, [
        {
          analyzerMode: "static"
        }
      ]);
    }

    // 壓縮圖片
    // config.module
    //   .rule("images")
    //   .use("image-webpack-loader")
    //   .loader("image-webpack-loader")
    //   .options({
    //     mozjpeg: { progressive: true, quality: 65 },
    //     optipng: { enabled: false },
    //     pngquant: { quality: "65-90", speed: 4 },
    //     gifsicle: { interlaced: false },
    //     webp: { quality: 75 }
    //   });

    // stylus
    // const types = ['vue-modules', 'vue', 'normal-modules', 'normal']
    // types.forEach(type =>
    //   addStylusResource(config.module.rule('stylus').oneOf(type))
    // )

    // 多頁面配置,爲js添加hash
    // config.output.chunkFilename(`js/[name].[chunkhash:8].js`)

    // 修改圖片輸出路徑
    // config.module
    //   .rule('images')
    //   .test(/\.(png|jpe?g|gif|ico)(\?.*)?$/)
    //   .use('url-loader')
    //   .loader('url-loader')
    //   .options({
    //       name: path.join('../assets/', 'img/[name].[ext]')
    //   })
  },
  css: {
    modules: false,
    extract: IS_PROD,
    // 爲css後綴添加hash
    // extract: {
    //  filename: 'css/[name].[hash:8].css',
    //  chunkFilename: 'css/[name].[hash:8].css'
    //},
    sourceMap: false,
    loaderOptions: {
      sass: {
        // 向全局sass樣式傳入共享的全局變量
        // data: `@import "~assets/scss/variables.scss";$src: "${process.env.VUE_APP_SRC}";`
        data: `$src: "${process.env.VUE_APP_SRC}";`
      }
      // px轉換爲rem
      // postcss: {
      //   plugins: [
      //     require('postcss-pxtorem')({
      //       rootValue : 1, // 換算的基數
      //       selectorBlackList  : ['weui', 'el'], // 忽略轉換正則匹配項
      //       propList   : ['*']
      //     })
      //   ]
      // }
    }
  },
  pluginOptions: {
    // 安裝vue-cli-plugin-style-resources-loader插件
    // 添加全局樣式global.scss
    // "style-resources-loader": {
    //   preProcessor: "scss",
    //   patterns: [
    //     resolve(__dirname, "./src/scss/scss/variables.scss")
    //   ]
    // }
  },
  parallel: require("os").cpus().length > 1,
  pwa: {},
  devServer: {
    // overlay: {
    //   warnings: true,
    //   errors: true
    // },
    open: IS_PROD,
    host: "0.0.0.0",
    port: 8000,
    https: false,
    hotOnly: false,
    proxy: {
      "/api": {
        target: process.env.VUE_APP_BASE_API || "http://127.0.0.1:8080",
        changeOrigin: true
      }
    }
  }
};
複製代碼

針對請求數進行優化移除 prefetch 插件移除 preload 插件

咱們發現請求數增可能是由於咱們頁面預先渲染了其它組件,會在html頁面中插入像這樣的東西,這該怎麼優化呢?

首先咱們先看下vue.config.js的官方文檔,點擊前往。 官方說明: 是一種 resource hint,用來告訴瀏覽器在頁面加載完成後,利用空閒時間提早獲取用戶將來可能會訪問的內容。

因此咱們添加以下配置
// vue.config.js
module.exports = {
  chainWebpack: config => {
    // 移除 prefetch 插件
    config.plugins.delete('prefetch')
    // 移除 preload 插件
    config.plugins.delete('preload');
  }
}

複製代碼

vue-cli3 項目框架優化(OneLine周分享)

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