我已经实现了webpack，因为角度页面加载速度太慢（需要1m +才能加载）。由webpack生成的捆绑app.js非常庞大（大约27MB）。因此尝试使用uglify插件缩小文件但无法获得该文件。
使用了下面的webpack配置，但是文件没有使用UglifyJsPlugin缩小。如果我遗失了什么，请你帮忙。
提前感谢您的帮助和感谢。
代码 -
// Helper: root() is defined at the bottom
var path = require('path');
var webpack = require('webpack');
// Webpack Plugins
var CommonsChunkPlugin = webpack.optimize.CommonsChunkPlugin;
var autoprefixer = require('autoprefixer');
var HtmlWebpackPlugin = require('html-webpack-plugin');
var ExtractTextPlugin = require('extract-text-webpack-plugin');
var CopyWebpackPlugin = require('copy-webpack-plugin');
var ENV = process.env.npm_lifecycle_event;
var isTestWatch = ENV === 'test-watch';
var isTest = ENV === 'test' || isTestWatch;
var isProd = ENV === 'build';
module.exports = function makeWebpackConfig() {
var config = {};
if (isProd) {
config.devtool = 'source-map';
}
else if (isTest) {
config.devtool = 'inline-source-map';
}
else {
config.devtool = 'eval-source-map';
}
if (!isTest) {
config.entry = isTest ? {} : {
'polyfills': './src/polyfills.ts',
'vendor': './src/vendor.ts',
'app': './src/main.ts' // our angular app
};
}
config.output = isTest ? {} : {
path: root('dist'),
publicPath: isProd ? '/' : 'http://localhost:8080/',
filename: isProd ? 'js/[name].[hash].js' : 'js/[name].js',
chunkFilename: isProd ? '[id].[hash].chunk.js' : '[id].chunk.js'
};
config.resolve = {
// only discover files that have those extensions
extensions: ['.ts', '.js', '.json', '.css', '.scss', '.html'],
};
var atlOptions = '';
if (isTest && !isTestWatch) {
atlOptions = 'inlineSourceMap=true&sourceMap=false';
}
config.module = {
rules: [
// Support for .ts files.
{
test: /\.ts$/,
loaders: ['awesome-typescript-loader?' + atlOptions, 'angular2-template-loader', '@angularclass/hmr-loader'],
exclude: [isTest ? /\.(e2e)\.ts$/ : /\.(spec|e2e)\.ts$/, /node_modules\/(?!(ng2-.+))/]
},
// copy those assets to output
{
test: /\.(png|jpe?g|gif|svg|woff|woff2|ttf|eot|ico)(\?v=[0-9]\.[0-9]\.[0-9])?$/,
loader: 'file-loader?name=fonts/[name].[hash].[ext]?'
},
// Support for *.json files.
{ test: /\.json$/, loader: 'json-loader' },
// Support for CSS as raw text
// use 'null' loader in test mode (https://github.com/webpack/null-loader)
// all css in src/style will be bundled in an external css file
{
test: /\.css$/,
exclude: root('src', 'app'),
loader: isTest ? 'null-loader' : ExtractTextPlugin.extract({ fallback: 'style-loader', use: ['css-loader', 'postcss-loader'] })
},
// all css required in src/app files will be merged in js files
{ test: /\.css$/, include: root('src', 'app'), loader: 'raw-loader!postcss-loader' },
// support for .scss files
// use 'null' loader in test mode (https://github.com/webpack/null-loader)
// all css in src/style will be bundled in an external css file
{
test: /\.(scss|sass)$/,
exclude: root('src', 'app'),
loader: isTest ? 'null-loader' : ExtractTextPlugin.extract({ fallback: 'style-loader', use: ['css-loader', 'postcss-loader', 'sass-loader'] })
},
// all css required in src/app files will be merged in js files
{ test: /\.(scss|sass)$/, exclude: root('src', 'style'), loader: 'raw-loader!postcss-loader!sass-loader' },
// support for .html as raw text
// todo: change the loader to something that adds a hash to images
{ test: /\.html$/, loader: 'raw-loader', exclude: root('src', 'public') }
]
};
if (isTest && !isTestWatch) {
// instrument only testing sources with Istanbul, covers ts files
config.module.rules.push({
test: /\.ts$/,
enforce: 'post',
include: path.resolve('src'),
loader: 'istanbul-instrumenter-loader',
exclude: [/\.spec\.ts$/, /\.e2e\.ts$/, /node_modules/]
});
}
if (!isTest || !isTestWatch) {
// tslint support
config.module.rules.push({
test: /\.ts$/,
enforce: 'pre',
loader: 'tslint-loader'
});
}
config.plugins = [
// Define env variables to help with builds
// Reference: https://webpack.github.io/docs/list-of-plugins.html#defineplugin
new webpack.DefinePlugin({
// Environment helpers
'process.env': {
ENV: JSON.stringify(ENV)
}
}),
// Workaround needed for angular 2 angular/angular#11580
new webpack.ContextReplacementPlugin(
// The (\\|\/) piece accounts for path separators in *nix and Windows
/angular(\\|\/)core(\\|\/)@angular/,
root('./src') // location of your src
),
// Tslint configuration for webpack 2
new webpack.LoaderOptionsPlugin({
options: {
tslint: {
emitErrors: false,
failOnHint: false
},
sassLoader: {
//includePaths: [path.resolve(__dirname, "node_modules/foundation-sites/scss")]
},
postcss: [
autoprefixer({
browsers: ['last 2 version']
})
]
}
})
];
if (!isTest && !isTestWatch) {
config.plugins.push(
// Generate common chunks if necessary
// Reference: https://webpack.github.io/docs/code-splitting.html
// Reference: https://webpack.github.io/docs/list-of-plugins.html#commonschunkplugin
new CommonsChunkPlugin({
name: ['vendor', 'polyfills']
}),
// Inject script and link tags into html files
// Reference: https://github.com/ampedandwired/html-webpack-plugin
new HtmlWebpackPlugin({
template: './src/public/index.html',
chunksSortMode: 'dependency'
}),
//new webpack.optimize.UglifyJsPlugin({ sourceMap: true, mangle: { keep_fnames: true } }),
new webpack.optimize.UglifyJsPlugin({
mangle: true,
compress: {
sequences: true,
dead_code: true,
conditionals: true,
booleans: true,
unused: true,
if_return: true,
join_vars: true,
drop_console: true
}
}),
// Extract css files
// Reference: https://github.com/webpack/extract-text-webpack-plugin
// Disabled when in test mode or not in build mode
new ExtractTextPlugin({ filename: 'css/[name].[hash].css', disable: !isProd })
);
}
// Add build specific plugins
if (isProd) {
config.plugins.push(
// Reference: http://webpack.github.io/docs/list-of-plugins.html#noerrorsplugin
// Only emit files when there are no errors
new webpack.NoEmitOnErrorsPlugin(),
// // Reference: http://webpack.github.io/docs/list-of-plugins.html#dedupeplugin
// // Dedupe modules in the output
// new webpack.optimize.DedupePlugin(),
// Reference: http://webpack.github.io/docs/list-of-plugins.html#uglifyjsplugin
// Minify all javascript, switch loaders to minimizing mode
//new webpack.optimize.UglifyJsPlugin({ sourceMap: true, mangle: { keep_fnames: true } }),
new webpack.optimize.UglifyJsPlugin({
mangle: true,
compress: {
sequences: true,
dead_code: true,
conditionals: true,
booleans: true,
unused: true,
if_return: true,
join_vars: true,
drop_console: true
}
}), // **this piece of code block is not minifying the js files.**
// Copy assets from the public folder
// Reference: https://github.com/kevlened/copy-webpack-plugin
new CopyWebpackPlugin([{
from: root('src/public')
}])
);
}
/**
* Dev server configuration
* Reference: http://webpack.github.io/docs/configuration.html#devserver
* Reference: http://webpack.github.io/docs/webpack-dev-server.html
*/
config.devServer = {
contentBase: './src/public',
historyApiFallback: true,
quiet: true,
stats: 'minimal' // none (or false), errors-only, minimal, normal (or true) and verbose
};
return config;
}();
// Helper functions
function root(args) {
args = Array.prototype.slice.call(arguments, 0);
return path.join.apply(path, [__dirname].concat(args));
}