Returns a new (polyfilled) Promise.
fetch().json() returns a non-Promise thenable, which cannot be polyfilled
(e.g. with #finally). This middleware ensures that the resulting Promise is
a (potentially) polyfilled Promise by returning a new Promise.
- Source:
- See:
Parameters:
| Name | Type | Description |
|---|---|---|
promise |
Promise.<Response> | Promise from previous middleware. |
Throws:
-
Thrown when parsing was unable to complete.
- Type
- ParseError
Returns:
Promise to pass to next middleware.
- Type
- Promise