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craco.config.js
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craco.config.js
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const {
when,
whenDev,
whenProd,
whenTest,
ESLINT_MODES,
POSTCSS_MODES,
loaderByName,
} = require("@craco/craco");
const webpack = require("webpack");
const CracoLessPlugin = require("craco-less");
const TerserPlugin = require("terser-webpack-plugin");
const path = require("path");
const UglifyJsPlugin = require("uglifyjs-webpack-plugin");
const pathResolve = (pathUrl) => path.join(__dirname, pathUrl);
const isPro = (dev) => dev === "production";
module.exports = {
// mode: "development",
// devServer: {
// port: 3001,
// },
webpack: {
configure: (webpackConfig, { env, paths }) => {
if (isPro(env)) {
webpackConfig.mode = "production";
webpackConfig.devtool = "source-map";
webpackConfig.plugins.push(
new UglifyJsPlugin({
uglifyOptions: {
compress: {},
},
})
// webpackConfig.plugins.push(
// new webpack.ContextReplacementPlugin(/moment[/\\]locale$/, /zh-cn/)
// )
);
webpackConfig.optimization = {
flagIncludedChunks: true,
usedExports: true,
mergeDuplicateChunks: true,
concatenateModules: true,
minimize: true,
minimizer: [
//webpack v5 自带最新的
new TerserPlugin({
parallel: true, // 可省略,默认开启并行
terserOptions: {
toplevel: true, // 最高级别,删除无用代码
ie8: true,
safari10: true,
},
}),
],
};
}
webpackConfig.externals = {};
console.log("环境:", env, paths);
return webpackConfig;
},
alias: {
"@Components": pathResolve("src/components"),
"@": pathResolve("src"),
"@Store": pathResolve("src/store"),
"@Util": pathResolve("src/util"),
},
},
babel: {
presets: [
[
"@babel/preset-env",
{
targets: {
chrome: "49",
ios: "10",
},
},
],
],
},
plugins: [
{
plugin: CracoLessPlugin,
options: {
lessLoaderOptions: {
lessOptions: {
// 主题色配置
//https://github.com/ant-design/ant-design/blob/master/components/style/themes/default.less
modifyVars: {},
javascriptEnabled: true,
},
},
},
},
],
};