Vite return old cache when file is deleted and restored

[csr632]

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Describe the bug

When a file is deleted and restored, vite keeps using cache with out-of-date content(content before file is deleted), intead of the restored content.

Reproduction

Checkout this test.

UPDATE: I have pushed a fix in that PR.

System Info

• vite version: 2.1.2
• Operating System: Ubuntu
• Node version: 14.15.5
• Package manager (npm/yarn/pnpm) and version: 1.22.5

Logs (Optional if provided reproduction)

1. Run vite or vite build with the --debug flag.
2. Provide the error log here.