/* eslint-disable */
/* tslint:disable */
/**
* Mock Service Worker.
* @see https://github.com/mswjs/msw
* - Please do NOT modify this file.
*/
const PACKAGE_VERSION = '2.12.8'
const INTEGRITY_CHECKSUM = '4db4a41e972cec1b64cc569c66952d82'
const IS_MOCKED_RESPONSE = Symbol('isMockedResponse')
const activeClientIds = new Set()
addEventListener('install', function () {
self.skipWaiting()
})
addEventListener('activate', function (event) {
event.waitUntil(self.clients.claim())
})
addEventListener('message', async function (event) {
const clientId = Reflect.get(event.source || {}, 'id')
if (!clientId || !self.clients) {
return
}
const client = await self.clients.get(clientId)
if (!client) {
return
}
const allClients = await self.clients.matchAll({
type: 'window',
})
switch (event.data) {
case 'KEEPALIVE_REQUEST': {
sendToClient(client, {
type: 'KEEPALIVE_RESPONSE',
})
break
}
case 'INTEGRITY_CHECK_REQUEST': {
sendToClient(client, {
type: 'INTEGRITY_CHECK_RESPONSE',
payload: {
packageVersion: PACKAGE_VERSION,
checksum: INTEGRITY_CHECKSUM,
},
})
break
}
case 'MOCK_ACTIVATE': {
activeClientIds.add(clientId)
sendToClient(client, {
type: 'MOCKING_ENABLED',
payload: {
client: {
id: client.id,
frameType: client.frameType,
},
},
})
break
}
case 'CLIENT_CLOSED': {
activeClientIds.delete(clientId)
const remainingClients = allClients.filter((client) => {
return client.id !== clientId
})
// Unregister itself when there are no more clients
if (remainingClients.length === 0) {
self.registration.unregister()
}
break
}
}
})
addEventListener('fetch', function (event) {
const requestInterceptedAt = Date.now()
// Bypass navigation requests.
if (event.request.mode === 'navigate') {
return
}
// Opening the DevTools triggers the "only-if-cached" request
// that cannot be handled by the worker. Bypass such requests.
if (
event.request.cache === 'only-if-cached' &&
event.request.mode !== 'same-origin'
) {
return
}
// Bypass all requests when there are no active clients.
// Prevents the self-unregistered worked from handling requests
// after it's been terminated (still remains active until the next reload).
if (activeClientIds.size === 0) {
return
}
const requestId = crypto.randomUUID()
event.respondWith(handleRequest(event, requestId, requestInterceptedAt))
})
/**
* @param {FetchEvent} event
* @param {string} requestId
* @param {number} requestInterceptedAt
*/
async function handleRequest(event, requestId, requestInterceptedAt) {
const client = await resolveMainClient(event)
const requestCloneForEvents = event.request.clone()
const response = await getResponse(
event,
client,
requestId,
requestInterceptedAt,
)
// Send back the response clone for the "response:*" life-cycle events.
// Ensure MSW is active and ready to handle the message, otherwise
// this message will pend indefinitely.
if (client && activeClientIds.has(client.id)) {
const serializedRequest = await serializeRequest(requestCloneForEvents)
// Clone the response so both the client and the library could consume it.
const responseClone = response.clone()
sendToClient(
client,
{
type: 'RESPONSE',
payload: {
isMockedResponse: IS_MOCKED_RESPONSE in response,
request: {
id: requestId,
...serializedRequest,
},
response: {
type: responseClone.type,
status: responseClone.status,
statusText: responseClone.statusText,
headers: Object.fromEntries(responseClone.headers.entries()),
body: responseClone.body,
},
},
},
responseClone.body ? [serializedRequest.body, responseClone.body] : [],
)
}
return response
}
/**
* Resolve the main client for the given event.
* Client that issues a request doesn't necessarily equal the client
* that registered the worker. It's with the latter the worker should
* communicate with during the response resolving phase.
* @param {FetchEvent} event
* @returns {Promise<Client | undefined>}
*/
async function resolveMainClient(event) {
const client = await self.clients.get(event.clientId)
if (activeClientIds.has(event.clientId)) {
return client
}
if (client?.frameType === 'top-level') {
return client
}
const allClients = await self.clients.matchAll({
type: 'window',
})
return allClients
.filter((client) => {
// Get only those clients that are currently visible.
return client.visibilityState === 'visible'
})
.find((client) => {
// Find the client ID that's recorded in the
// set of clients that have registered the worker.
return activeClientIds.has(client.id)
})
}
/**
* @param {FetchEvent} event
* @param {Client | undefined} client
* @param {string} requestId
* @param {number} requestInterceptedAt
* @returns {Promise<Response>}
*/
async function getResponse(event, client, requestId, requestInterceptedAt) {
// Clone the request because it might've been already used
// (i.e. its body has been read and sent to the client).
const requestClone = event.request.clone()
function passthrough() {
// Cast the request headers to a new Headers instance
// so the headers can be manipulated with.
const headers = new Headers(requestClone.headers)
// Remove the "accept" header value that marked this request as passthrough.
// This prevents request alteration and also keeps it compliant with the
// user-defined CORS policies.
const acceptHeader = headers.get('accept')
if (acceptHeader) {
const values = acceptHeader.split(',').map((value) => value.trim())
const filteredValues = values.filter(
(value) => value !== 'msw/passthrough',
)
if (filteredValues.length > 0) {
headers.set('accept', filteredValues.join(', '))
} else {
headers.delete('accept')
}
}
return fetch(requestClone, { headers })
}
// Bypass mocking when the client is not active.
if (!client) {
return passthrough()
}
// Bypass initial page load requests (i.e. static assets).
// The absence of the immediate/parent client in the map of the active clients
// means that MSW hasn't dispatched the "MOCK_ACTIVATE" event yet
// and is not ready to handle requests.
if (!activeClientIds.has(client.id)) {
return passthrough()
}
// Notify the client that a request has been intercepted.
const serializedRequest = await serializeRequest(event.request)
const clientMessage = await sendToClient(
client,
{
type: 'REQUEST',
payload: {
id: requestId,
interceptedAt: requestInterceptedAt,
...serializedRequest,
},
},
[serializedRequest.body],
)
switch (clientMessage.type) {
case 'MOCK_RESPONSE': {
return respondWithMock(clientMessage.data)
}
case 'PASSTHROUGH': {
return passthrough()
}
}
return passthrough()
}
/**
* @param {Client} client
* @param {any} message
* @param {Array<Transferable>} transferrables
* @returns {Promise<any>}
*/
function sendToClient(client, message, transferrables = []) {
return new Promise((resolve, reject) => {
const channel = new MessageChannel()
channel.port1.onmessage = (event) => {
if (event.data && event.data.error) {
return reject(event.data.error)
}
resolve(event.data)
}
client.postMessage(message, [
channel.port2,
...transferrables.filter(Boolean),
])
})
}
/**
* @param {Response} response
* @returns {Response}
*/
function respondWithMock(response) {
// Setting response status code to 0 is a no-op.
// However, when responding with a "Response.error()", the produced Response
// instance will have status code set to 0. Since it's not possible to create
// a Response instance with status code 0, handle that use-case separately.
if (response.status === 0) {
return Response.error()
}
const mockedResponse = new Response(response.body, response)
Reflect.defineProperty(mockedResponse, IS_MOCKED_RESPONSE, {
value: true,
enumerable: true,
})
return mockedResponse
}
/**
* @param {Request} request
*/
async function serializeRequest(request) {
return {
url: request.url,
mode: request.mode,
method: request.method,
headers: Object.fromEntries(request.headers.entries()),
cache: request.cache,
credentials: request.credentials,
destination: request.destination,
integrity: request.integrity,
redirect: request.redirect,
referrer: request.referrer,
referrerPolicy: request.referrerPolicy,
body: await request.arrayBuffer(),
keepalive: request.keepalive,
}
}