webui/mockServiceWorker.js - sketch - Gitiles

 /* eslint-disable */
 /* tslint:disable */

 /**
  * Mock Service Worker.
  * @see https://github.com/mswjs/msw
  * - Please do NOT modify this file.
  * - Please do NOT serve this file on production.
  */

 const PACKAGE_VERSION = '2.7.5'
 const INTEGRITY_CHECKSUM = '00729d72e3b82faf54ca8b9621dbb96f'
 const IS_MOCKED_RESPONSE = Symbol('isMockedResponse')
 const activeClientIds = new Set()

 self.addEventListener('install', function () {
   self.skipWaiting()
 })

 self.addEventListener('activate', function (event) {
   event.waitUntil(self.clients.claim())
 })

 self.addEventListener('message', async function (event) {
   const clientId = 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 'MOCK_DEACTIVATE': {
       activeClientIds.delete(clientId)
       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
     }
   }
 })

 self.addEventListener('fetch', function (event) {
   const { request } = event

   // Bypass navigation requests.
   if (request.mode === 'navigate') {
     return
   }

   // Opening the DevTools triggers the "only-if-cached" request
   // that cannot be handled by the worker. Bypass such requests.
   if (request.cache === 'only-if-cached' && 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 deleted (still remains active until the next reload).
   if (activeClientIds.size === 0) {
     return
   }

   // Generate unique request ID.
   const requestId = crypto.randomUUID()
   event.respondWith(handleRequest(event, requestId))
 })

 async function handleRequest(event, requestId) {
   const client = await resolveMainClient(event)
   const response = await getResponse(event, client, requestId)

   // 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)) {
     ;(async function () {
       const responseClone = response.clone()

       sendToClient(
         client,
         {
           type: 'RESPONSE',
           payload: {
             requestId,
             isMockedResponse: IS_MOCKED_RESPONSE in response,
             type: responseClone.type,
             status: responseClone.status,
             statusText: responseClone.statusText,
             body: responseClone.body,
             headers: Object.fromEntries(responseClone.headers.entries()),
           },
         },
         [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.
 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)
     })
 }

 async function getResponse(event, client, requestId) {
   const { request } = event

   // Clone the request because it might've been already used
   // (i.e. its body has been read and sent to the client).
   const requestClone = 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 requestBuffer = await request.arrayBuffer()
   const clientMessage = await sendToClient(
     client,
     {
       type: 'REQUEST',
       payload: {
         id: requestId,
         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: requestBuffer,
         keepalive: request.keepalive,
       },
     },
     [requestBuffer],
   )

   switch (clientMessage.type) {
     case 'MOCK_RESPONSE': {
       return respondWithMock(clientMessage.data)
     }

     case 'PASSTHROUGH': {
       return passthrough()
     }
   }

   return passthrough()
 }

 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].concat(transferrables.filter(Boolean)),
     )
   })
 }

 async 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
 }
	/* eslint-disable */
	/* tslint:disable */

	/**
	* Mock Service Worker.
	* @see https://github.com/mswjs/msw
	* - Please do NOT modify this file.
	* - Please do NOT serve this file on production.
	*/

	const PACKAGE_VERSION = '2.7.5'
	const INTEGRITY_CHECKSUM = '00729d72e3b82faf54ca8b9621dbb96f'
	const IS_MOCKED_RESPONSE = Symbol('isMockedResponse')
	const activeClientIds = new Set()

	self.addEventListener('install', function () {
	self.skipWaiting()
	})

	self.addEventListener('activate', function (event) {
	event.waitUntil(self.clients.claim())
	})

	self.addEventListener('message', async function (event) {
	const clientId = 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 'MOCK_DEACTIVATE': {
	activeClientIds.delete(clientId)
	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
	}
	}
	})

	self.addEventListener('fetch', function (event) {
	const { request } = event

	// Bypass navigation requests.
	if (request.mode === 'navigate') {
	return
	}

	// Opening the DevTools triggers the "only-if-cached" request
	// that cannot be handled by the worker. Bypass such requests.
	if (request.cache === 'only-if-cached' && 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 deleted (still remains active until the next reload).
	if (activeClientIds.size === 0) {
	return
	}

	// Generate unique request ID.
	const requestId = crypto.randomUUID()
	event.respondWith(handleRequest(event, requestId))
	})

	async function handleRequest(event, requestId) {
	const client = await resolveMainClient(event)
	const response = await getResponse(event, client, requestId)

	// 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)) {
	;(async function () {
	const responseClone = response.clone()

	sendToClient(
	client,
	{
	type: 'RESPONSE',
	payload: {
	requestId,
	isMockedResponse: IS_MOCKED_RESPONSE in response,
	type: responseClone.type,
	status: responseClone.status,
	statusText: responseClone.statusText,
	body: responseClone.body,
	headers: Object.fromEntries(responseClone.headers.entries()),
	},
	},
	[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.
	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)
	})
	}

	async function getResponse(event, client, requestId) {
	const { request } = event

	// Clone the request because it might've been already used
	// (i.e. its body has been read and sent to the client).
	const requestClone = 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 requestBuffer = await request.arrayBuffer()
	const clientMessage = await sendToClient(
	client,
	{
	type: 'REQUEST',
	payload: {
	id: requestId,
	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: requestBuffer,
	keepalive: request.keepalive,
	},
	},
	[requestBuffer],
	)

	switch (clientMessage.type) {
	case 'MOCK_RESPONSE': {
	return respondWithMock(clientMessage.data)
	}

	case 'PASSTHROUGH': {
	return passthrough()
	}
	}

	return passthrough()
	}

	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].concat(transferrables.filter(Boolean)),
	)
	})
	}

	async 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
	}