nestjs / nest / 0f9b6c20-02ec-4f86-accd-ac87f432d4ca

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master: 90%

Pull #14994

circleci

feat(common): add pipes for multiple files validation

When dealing with file uploads, NestJS offers the `ParseFilePipe` to help validate files uploaded under the same name. But when several files are uploaded with different names, there is not built-in pipe available and the validation is usually done in the controller method or service. This commit add two new pipes, `ParseFileFieldsPipe` and `GroupFilesPipe` that can be used two validate multiple files together in association with the `UploadedFiles` decorator and `FileValidator`.

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