UnhandledPromiseRejectionWarning: Error: ENOENT: no such file or directory

[EECOLOR]

To reproduce (in an empty directory):

yarn add firebase-admin
yarn add --dev @zeit/ncc

index.js

require('firebase-admin')

Run ncc

node_modules/.bin/ncc build index.js

Result:

Emitting directory ~/tmp/firebase-dependencies/node_modules/@google-cloud/firestore/build/protos as protos
ncc: Module directory "~/tmp/firebase-dependencies/node_modules/hash-stream-validation" attempted to require "fast-crc32c" but could not be resolved, assuming external.
ncc: Module directory "~/tmp/firebase-dependencies/node_modules/bytebuffer/dist" attempted to require "memcpy" but could not be resolved, assuming external.
ncc: Module directory "~/tmp/firebase-dependencies/node_modules/debug/src" attempted to require "supports-color" but could not be resolved, assuming external.
ncc: Module directory "~/tmp/firebase-dependencies/node_modules/https-proxy-agent/node_modules/debug/src" attempted to require "supports-color" but could not be resolved, assuming external.
(node:17208) UnhandledPromiseRejectionWarning: Error: ENOENT: no such file or directory, open '~/tmp/firebase-dependencies/dist/protos/firestore_proto_api.d.ts'
    at Object.openSync (fs.js:436:3)
    at Object.writeFileSync (fs.js:1187:35)
    at module.exports.ncc.then (~/tmp/firebase-dependencies/node_modules/@zeit/ncc/dist/ncc/cli.js:2410:14)
(node:17208) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). (rejection id: 1)
(node:17208) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.