国外 js 代码加密
https://obfuscator.io/
使用webpack 插件加密
https://github.com/javascript-obfuscator/webpack-obfuscator
npm install --save-dev javascript-obfuscator webpack-obfuscator
var WebpackObfuscator = require('webpack-obfuscator');
// ...
// webpack plugins array
plugins: [
new WebpackObfuscator ({
rotateStringArray: true
}, ['excluded_bundle_name.js'])
]