$ cnpm install @types/isomorphic-fetch
npm install --save @types/isomorphic-fetch
This package contains type definitions for isomorphic-fetch ( https://github.com/matthew-andrews/isomorphic-fetch/issues ).
Files were exported from https://github.com/DefinitelyTyped/DefinitelyTyped/tree/master/types/isomorphic-fetch
Additional Details
These definitions were written by Todd Lucas https://github.com/toddlucas.
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