fetch-mock-test

This is a project to reproduce "NotSupportedError: ReadableStream uploading is not supported" in Safari when fetch has mocked by fetch-mock.

wheresrhys/fetch-mock#584

Confirmed with Safari version 13.1.2 (15609.3.5.1.3) on macOS Catalina version 10.15.6

Procedure

1. npm install
2. npx http-server
3. Access http://127.0.0.1:8080 on Safari
4. Open development console