message: Install memfs because webpack is made of fail
diff: "lodash": "^4.13.1",
  "lolex": "2.3.2",
  "matrix-js-sdk": "matrix-org/matrix-js-sdk#develop",
  + "memfs": "^2.10.1",
  "optimist": "^0.6.1",
  "pako": "^1.0.5",
  "prop-types": "^15.5.8",
  