fis3中cache.jsbug

[codedaybyday]

• 操作系统:
  macos
• Node版本:
  node 12
• FIS版本:
  fis3
• 解决方案:
• 依赖插件:

`> modName@1.0.0 build /Users/jiaoyueyue/work/bjh-react-mis

node --max_old_space_size=4096 server/build.js

Happy[js]: Version: 5.0.1. Threads: 8 (shared pool)
Happy[js]: All set; signaling webpack to proceed.
Happy[babel]: Version: 5.0.1. Threads: 3
Happy[babel]: All set; signaling webpack to proceed.
Happy[jsx]: Version: 5.0.1. Threads: 3
Happy[jsx]: All set; signaling webpack to proceed.
Happy[css]: Version: 5.0.1. Threads: 8 (shared pool)
Happy[css]: All set; signaling webpack to proceed.
Happy[less]: Version: 5.0.1. Threads: 8 (shared pool)
Happy[less]: All set; signaling webpack to proceed.
compile success!
fis release start

[INFO] Currently running fis3 (/Users/jiaoyueyue/.nvm/versions/node/v14.2.0/lib/node_modules/fis3/)

[WARNI] skip output directory: /Users/jiaoyueyue/work/bjh-react-mis/dist

internal/fs/utils.js:658
throw new ERR_INVALID_ARG_TYPE(
^

TypeError [ERR_INVALID_ARG_TYPE]: The "data" argument must be of type string or an instance of Buffer, TypedArray, or DataView. Received undefined
at Object.writeFileSync (fs.js:1380:5)
at Function._.write (/Users/jiaoyueyue/.nvm/versions/node/v14.2.0/lib/node_modules/fis3/lib/util.js:733:8)
at F.save (/Users/jiaoyueyue/.nvm/versions/node/v14.2.0/lib/node_modules/fis3/lib/cache.js:45:14)
at /Users/jiaoyueyue/.nvm/versions/node/v14.2.0/lib/node_modules/fis3/node_modules/fis3-command-release/index.js:62:15
at wrapped (/Users/jiaoyueyue/.nvm/versions/node/v14.2.0/lib/node_modules/fis3/node_modules/fis3-command-release/lib/chains.js:30:58)
at Object.run (/Users/jiaoyueyue/.nvm/versions/node/v14.2.0/lib/node_modules/fis3/node_modules/fis3-command-release/lib/chains.js:39:9)
at Object.exports.run (/Users/jiaoyueyue/.nvm/versions/node/v14.2.0/lib/node_modules/fis3/node_modules/fis3-command-release/index.js:114:7)
at Object.cli.run (/Users/jiaoyueyue/.nvm/versions/node/v14.2.0/lib/node_modules/fis3/lib/cli.js:259:11)
at Liftoff. (/Users/jiaoyueyue/.nvm/versions/node/v14.2.0/lib/node_modules/fis3/bin/fis.js:36:11)
at Liftoff. (/Users/jiaoyueyue/.nvm/versions/node/v14.2.0/lib/node_modules/fis3/node_modules/liftoff/index.js:197:12) {
code: 'ERR_INVALID_ARG_TYPE'
}`

发现cache.js问题：

发现fis3里面，缓存处理的时候this.cacheFile里面的内容可能为空

但是在后面save方法里面并没有判断data的合法性，data如果为undefined，会报ERR_INVALID_ARG_TYPE错误

修改cache.js代码：

[MingRrrr]

这个bug有没有大佬修一下啊，fis和fis3都有问题，我们组的这个问题我都是直接把cache file加强转转成字符串。。。

[oxUnd]

提个mr上来？