打包参考以下网址：
https://www.electron.build/cli
https://www.electron.build/configuration/configuration
本人VSCode源码打包时用到的配置：
"build": {
"appId": "xxApp",
"productName": "xx",
"icon": "build/logo.ico",
"asar": true, //压缩js
"buildDependenciesFromSource": false, //可以加速编译或者调试，需要重新编译时变更下
"npmRebuild": false, //可以加速编译或者调试，需要重新编译时变更下
"electronDownload": {
"version": "3.0.16",
"mirror": "https://npm.taobao.org/mirrors/electron/", //可以加速下载
"platform": "win32"
},
"asarUnpack": [ //指定asar压缩包不打包的文件
"./out",
"./extensions",
"./package.json",
"./product.json",
"./LICENSE.txt",
"./ThirdPartyNotices.txt"
],
"directories": {
"buildResources": ".",
"output": "dist"
},
"compression": "normal",
"files": [ //指定打包包含的文件
"extensions/**/*",
"node_modules/**/*",
"out/**/*",
"resources/win32/**/*",
"resources/*.svg",
"package.json",
"product.json",
"LICENSE.txt",
"ThirdPartyNotices.txt"
]
},