Incorrect offline mirror filename calculation with scoped packages URLs on the taobao npm registry

[Axure]

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

A bug.

What is the current behavior?

The taobao registry gives tarball urls for scoped packages in formats like https://registry.npm.taobao.org/@types/prop-types/download/@types/prop-types-15.7.2.tgz, which cannot be parsed by the current regex /\/(?:(@[^/]+)(?:\/|%2f))?[^/]+\/(?:-|_attachments)\/(?:@[^/]+\/)?([^/]+)$/. The result will thus fallback to prop-types-15.7.2.tgz which conflicts with the cache for the package prop-types. This will result in checksum mismatch.

If the current behavior is a bug, please provide the steps to reproduce.

See reproduce-taobao-offline-mirror-error

What is the expected behavior?

The cache files for these two packages should be named differently.

Please mention your node.js, yarn and operating system version.

node.js: v10.15.3
yarn: 1.18.0-0
operating system: macOS mojave 10.14.4 (18E227)

[jpli]

Thank you for submitting this issue. The same issue also prevents me from installing react-router-dom and @types/react-router-dom with the same version tag from taobao npm registry.