typescript-fetch client isomorphic dependency does not work on React Native

[jeff-99]

Description

The generated code from the typescript fetch client generator cannot be used in React Native. There are multiple open issues related to this:

• Error: Can't find variable: self matthew-andrews/isomorphic-fetch#125
• Getting referenceerror: self is not defined when running mocha tests in command line as soon as I attempt to use isomorphic-fetch matthew-andrews/isomorphic-fetch#59
• any possible way to include timeout on fetch()? matthew-andrews/isomorphic-fetch#48
  The maintainer does not comment on these issues, nor does he respond to the posted pull requests to add react native support. So I would love to see the dependency to isomorphic-fetch will be replaced by portable-fetch (fork with react native support)

Swagger-codegen version

2.3.0

Swagger declaration file content or url

Command line used for generation

Steps to reproduce

Use any swagger file to generate client and use it in a React Native project. It will give the following error: fetch is not a function

Related issues/PRs

Suggest a fix/enhancement

replace the dependency from isomorphic-fetch to portable-fetch