unionfs 组合文件npm包参考使用

{

  "name": "mem-fs-app",

  "version": "1.0.0",

  "main": "index.js",

  "license": "MIT",

  "dependencies": {

    "fs-monkey": "^1.0.3",

    "linkfs": "^2.1.0",

    "memfs": "^3.2.2",

    "unionfs": "^4.4.0"

  }

}

const {vol}  = require(‘memfs‘);

const {patchRequire} = require(‘fs-monkey‘);

const {ufs} = require(‘unionfs‘);

const myfs = require(‘fs‘);

vol.fromJSON({‘/foo/bar.js‘: ‘console.log("obi trice");‘});

ufs

    .use(vol)

    .use(myfs);

patchRequire(ufs);

require(‘/foo/bar.js‘);