Nuxt/packages/nuxt3/src/builder/webpack/utils/mfs.ts

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2020-07-02 13:02:35 +00:00
import path from 'path'
import pify from 'pify'
import { Volume, createFsFromVolume } from 'memfs'
export function createMFS () {
// Create a new volume
const fs = createFsFromVolume(new Volume())
// Clone to extend
const _fs = { ...fs }
// fs.join method is (still) expected by webpack-dev-middleware
// There might be differences with https://github.com/webpack/memory-fs/blob/master/lib/join.js
_fs.join = path.join
// Used by vue-renderer
_fs.exists = p => Promise.resolve(_fs.existsSync(p))
_fs.readFile = pify(_fs.readFile)
return _fs
}