It is likely that anyone reading this sentence has had at least one experience with uploading a file from a client to a server. Some may have even implemented a file upload service, a server that will receive and do something useful with a multipart data stream. Within popular development environments this task has been made very easy. In the PHP environment, for example, uploaded data is automatically processed and made globally available, neatly parsed and packaged into an array of files or form field values, without the developer having written a single line of code.
Unfortunately, Node leaves implementation of file upload handling to the developer, a challenging bit of work many developers may be unable to successfully or safely complete.
Fortunately, Felix Geisendorfer created the Formidable module, one of the most important early contributions to the Node project. A widely implemented, enterprise-grade module with extensive test coverage, it not only makes handling...