[npm compat] bundledDependencies in package.json is not considered optional as by npm

[bestander]

Do you want to request a feature or report a bug?
feature

What is the current behavior?

yarn add [email protected]
yarn add v0.18.1
info No lockfile found.
[1/4] 🔍  Resolving packages...
[2/4] 🚚  Fetching packages...
[3/4] 🔗  Linking dependencies...
error Couldn't find a package.json file in "/Users/bestander/work/temp/tap/node_modules/tap/node_modules/tap-consumer"
info Visit https://yarnpkg.com/en/docs/cli/add for documentation about this command.

What is the expected behavior?

Npm@3 installs tap-consumer from npm even though it is not in dependencies and is missing from the package as described in bundledDependencies

Users/bestander/work/temp/tap
└─┬ [email protected]
├── [email protected]
├── [email protected]
├─┬ [email protected]
│ ├── [email protected]
│ ├── [email protected]
│ └── [email protected]
├── [email protected]
├── [email protected]
├─┬ [email protected]
│ └── [email protected]
├─┬ [email protected]
│ └─┬ [email protected]
│ └─┬ [email protected]
│ ├── [email protected]
│ └── [email protected]
├── [email protected]
├─┬ [email protected]
│ ├── [email protected]
│ ├─┬ [email protected]
│ │ └── [email protected]
│ └── [email protected]
└── [email protected]

This is clearly an error in package but we might consider backporting the bug

Please mention your node.js, yarn and operating system version.
Node 6
Yarn 0.18+
Mac OS / Linux

[TrustNik]

Linked #886