我使用webpack bundle 以ES6编写的模块react。直到我添加了json-immutable插件,所有的工作都进行了。需要json-stream-stringify
并有一个类:
class JSONStreamify extends CoStream {...}
module.exports = function(obj, replacer) {
return new JSONStreamify(obj, replacer);
};
webpack可以正常工作,但不能监视文件,因为Uglify抛出错误
Unexpected token: name (JSONStreamify)
我在这里找到有关模块https://github.com/webpack-contrib/uglifyjs-webpack-plugin的信息。我安装并添加了
ecma
支持,但仍然遇到相同的错误。我已经删除,我尝试添加排除node_modules,但没有结果。我的webpack.config.js是
const path = require('path');
const webpack = require('webpack');
const UglifyJSPlugin = require('uglifyjs-webpack-plugin');
module.exports = {
entry: {
backend: './src/backend.js',
frontend: './src/frontend.js',
},
output: {
path: path.resolve(__dirname,'./dist'),
filename: '[name].sakui.min.js'
},
externals: {
'jQuery':'jQuery',
'Foundation':'Foundation',
'react': 'React',
'react-dom': 'ReactDOM',
'redux': 'Redux',
'react-redux': 'ReactRedux',
'immutable': 'Immutable',
'lodash': '_',
'_': '_'
},
module: {
rules: [
{
test: /\.js$/,
exclude: /node_modules/,
use: {
loader: 'babel-loader',
options: {
"only": "src/**",
"presets": [
"env",
"react",
"es2017",
"stage-3"
],
"plugins": [["transform-class-properties", { "spec": true }],"transform-decorators-legacy","minify-simplify"],
"babelrc": false
}
}
}
]
},
plugins: [
new UglifyJSPlugin({
ecma: 6
})
]
}
有什么提示可以解决这个问题吗?也许有任何外部工具来压缩webpack之后的文件?
最佳答案
解:
我发现的一种方法是通过babel将所有node_modules都转换为ES5,并且可以正常工作。
我的webpack.config.js
const path = require('path');
const webpack = require('webpack');
const UglifyJSPlugin = require('uglifyjs-webpack-plugin');
module.exports = {
entry: {
backend: './src/backend.js',
frontend: './src/frontend.js',
},
output: {
path: path.resolve(__dirname,'./dist'),
filename: '[name].sakui.min.js'
},
externals: {
'jQuery':'jQuery',
'Foundation':'Foundation',
'react': 'React',
'react-dom': 'ReactDOM',
'redux': 'Redux',
'react-redux': 'ReactRedux',
'immutable': 'Immutable',
'lodash': '_',
'_': '_'
},
module: {
rules: [
{
test: /\.js$/,
use: {
loader: 'babel-loader',
options: {
"presets": [
"env",
"react",
"es2017",
"stage-3"
],
"plugins": [["transform-class-properties", { "spec": true }],"transform-decorators-legacy"],
"babelrc": false
}
}
}
]
},
plugins: [
new UglifyJSPlugin()
]
}
也许对某人有用。