vue-cli3全面配置详解

开启gzip压缩

npm i --save-dev compression-webpack-plugin

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
      ];
    }
  }
}

还可以开启比gzip体验更好的Zopfli压缩详见https://webpack.js.org/plugins/compression-webpack-plugin

npm i --save-dev @gfx/zopfli brotli-webpack-plugin

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
      ];
    }
  }
}

为sass提供全局样式，以及全局变量

可以通过在main.js中Vue.prototype.$src = process.env.VUE_APP_SRC;挂载环境变量中的配置信息，然后在js中使用$src访问。

css中可以使用注入sass变量访问环境变量中的配置信息

module.exports = {
  css: {
    modules: false,
    extract: IS_PROD,
    sourceMap: false,
    loaderOptions: {
     sass: {
      // 向全局sass样式传入共享的全局变量
      data: `@import "~assets/scss/variables.scss";$src: "${process.env.VUE_APP_SRC}";`
     }
    }
  }
}

在scss中引用

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