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import { test as base, defineConfig } from './index'
import type { NextFixture } from './next-fixture'
// eslint-disable-next-line import/no-extraneous-dependencies
import { type RequestHandler, handleRequest } from 'msw'
// eslint-disable-next-line import/no-extraneous-dependencies
import { Emitter } from 'strict-event-emitter'
// eslint-disable-next-line import/no-extraneous-dependencies
export * from 'msw'
// eslint-disable-next-line import/no-extraneous-dependencies
export * from '@playwright/test'
export type { NextFixture }
export { defineConfig }
export interface MswFixture {
use: (...handlers: RequestHandler[]) => void
}
export const test = base.extend<{
msw: MswFixture
mswHandlers: RequestHandler[]
}>({
mswHandlers: [[], { option: true }],
msw: [
async ({ next, mswHandlers }, use) => {
const handlers: RequestHandler[] = [...mswHandlers]
const emitter = new Emitter()
next.onFetch(async (request) => {
const requestId = Math.random().toString(16).slice(2)
let isUnhandled = false
let isPassthrough = false
let mockedResponse
await handleRequest(
request.clone(),
requestId,
handlers.slice(0),
{
onUnhandledRequest: () => {
isUnhandled = true
},
},
emitter as any,
{
onPassthroughResponse: () => {
isPassthrough = true
},
onMockedResponse: (r) => {
mockedResponse = r
},
}
)
if (isUnhandled) {
return undefined
}
if (isPassthrough) {
return 'continue'
}
if (mockedResponse) {
return mockedResponse
}
return 'abort'
})
await use({
use: (...newHandlers) => {
handlers.unshift(...newHandlers)
},
})
handlers.length = 0
},
{ auto: true },
],
})
export default test
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