Financial-Times /
n-error
| 1 | import 'isomorphic-fetch'; |
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| 2 | import fetch from 'node-fetch'; |
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| 3 | |||
| 4 | export const isFetchResponseError = e => |
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| 5 | e instanceof fetch.Response || e instanceof Response; |
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| 6 | |||
| 7 | export const isFetchNetworkError = e => e instanceof fetch.FetchError; |
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| 8 | |||
| 9 | export const isFetchError = e => |
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| 10 | isFetchResponseError(e) || isFetchNetworkError(e); |
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| 11 |
Zhenyu Lin
This checks looks for references to variables that have not been declared. This is most likey a typographical error or a variable has been renamed.
To learn more about declaring variables in Javascript, see the MDN.