* Use string form of filename parameter
This works for the form-data library and is also compatible with the
browser FormData object.
* Add new option to select platform node or browser
When no platform is selected, a default is chosen by the framework
option and likewise the file data type option is implied by the
platform.
* Remove redundant import of node dns module
* Only use form-data library for node platform
* Generate npm package from npmName option
* Use method convertPropertyToBooleanAndWriteBack
* Generate typescript samples with ensure-up-to-date
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