Comments (3)
Currently is possible to provide custom response transformers as long as they follow this call signature:
import { MockedResponse } from 'msw'
const myCustomTransformer = (res: MockedResponse) => res
Most likely you'd be introducing your own high-order functions that return response transformers. Here's an example:
import { MockedResponse } from 'msw'
const halJson = (body: Record<string, any>) => {
return (res: MockedResponse) => {
res.headers.set('Content-Type', 'application/hal+json')
res.body = JSON.stringify(body)
return res
}
}
This is exactly how standard ctx
utils are implemented at the moment. I think this should be put into documentation somewhere.
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I've added a recipe to the documentation on how to create your Custom context utility. It would be nice to add an integration test for such custom utility before closing this task.
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Example of a custom response transformer is illustrated as a context utility function halJson()
in this test suite:
In the test above it's being used with a custom request handler and, thus, is provided in the defineContext
property of the handler. If you wish to have an isolated context utility move it to a separate function and cover with typings according to those mentioned in the documentation.
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Related Issues (20)
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