Add semicolons to mockServiceWorker.js for consistent style compliance

- Updated `mockServiceWorker.js` by adding missing semicolons across the file for improved code consistency and adherence to style guidelines.
- Refactored multi-line logical expressions into single-line where applicable, maintaining readability.
This commit is contained in:
2026-01-01 13:21:31 +01:00
parent 62afb328fe
commit 0646c96b19

View File

@@ -7,42 +7,42 @@
* - Please do NOT modify this file. * - Please do NOT modify this file.
*/ */
const PACKAGE_VERSION = '2.12.3' const PACKAGE_VERSION = '2.12.7';
const INTEGRITY_CHECKSUM = '4db4a41e972cec1b64cc569c66952d82' const INTEGRITY_CHECKSUM = '4db4a41e972cec1b64cc569c66952d82';
const IS_MOCKED_RESPONSE = Symbol('isMockedResponse') const IS_MOCKED_RESPONSE = Symbol('isMockedResponse');
const activeClientIds = new Set() const activeClientIds = new Set();
addEventListener('install', function () { addEventListener('install', function () {
self.skipWaiting() self.skipWaiting();
}) });
addEventListener('activate', function (event) { addEventListener('activate', function (event) {
event.waitUntil(self.clients.claim()) event.waitUntil(self.clients.claim());
}) });
addEventListener('message', async function (event) { addEventListener('message', async function (event) {
const clientId = Reflect.get(event.source || {}, 'id') const clientId = Reflect.get(event.source || {}, 'id');
if (!clientId || !self.clients) { if (!clientId || !self.clients) {
return return;
} }
const client = await self.clients.get(clientId) const client = await self.clients.get(clientId);
if (!client) { if (!client) {
return return;
} }
const allClients = await self.clients.matchAll({ const allClients = await self.clients.matchAll({
type: 'window', type: 'window',
}) });
switch (event.data) { switch (event.data) {
case 'KEEPALIVE_REQUEST': { case 'KEEPALIVE_REQUEST': {
sendToClient(client, { sendToClient(client, {
type: 'KEEPALIVE_RESPONSE', type: 'KEEPALIVE_RESPONSE',
}) });
break break;
} }
case 'INTEGRITY_CHECK_REQUEST': { case 'INTEGRITY_CHECK_REQUEST': {
@@ -52,12 +52,12 @@ addEventListener('message', async function (event) {
packageVersion: PACKAGE_VERSION, packageVersion: PACKAGE_VERSION,
checksum: INTEGRITY_CHECKSUM, checksum: INTEGRITY_CHECKSUM,
}, },
}) });
break break;
} }
case 'MOCK_ACTIVATE': { case 'MOCK_ACTIVATE': {
activeClientIds.add(clientId) activeClientIds.add(clientId);
sendToClient(client, { sendToClient(client, {
type: 'MOCKING_ENABLED', type: 'MOCKING_ENABLED',
@@ -67,54 +67,51 @@ addEventListener('message', async function (event) {
frameType: client.frameType, frameType: client.frameType,
}, },
}, },
}) });
break break;
} }
case 'CLIENT_CLOSED': { case 'CLIENT_CLOSED': {
activeClientIds.delete(clientId) activeClientIds.delete(clientId);
const remainingClients = allClients.filter((client) => { const remainingClients = allClients.filter((client) => {
return client.id !== clientId return client.id !== clientId;
}) });
// Unregister itself when there are no more clients // Unregister itself when there are no more clients
if (remainingClients.length === 0) { if (remainingClients.length === 0) {
self.registration.unregister() self.registration.unregister();
} }
break break;
} }
} }
}) });
addEventListener('fetch', function (event) { addEventListener('fetch', function (event) {
const requestInterceptedAt = Date.now() const requestInterceptedAt = Date.now();
// Bypass navigation requests. // Bypass navigation requests.
if (event.request.mode === 'navigate') { if (event.request.mode === 'navigate') {
return return;
} }
// Opening the DevTools triggers the "only-if-cached" request // Opening the DevTools triggers the "only-if-cached" request
// that cannot be handled by the worker. Bypass such requests. // that cannot be handled by the worker. Bypass such requests.
if ( if (event.request.cache === 'only-if-cached' && event.request.mode !== 'same-origin') {
event.request.cache === 'only-if-cached' && return;
event.request.mode !== 'same-origin'
) {
return
} }
// Bypass all requests when there are no active clients. // Bypass all requests when there are no active clients.
// Prevents the self-unregistered worked from handling requests // Prevents the self-unregistered worked from handling requests
// after it's been terminated (still remains active until the next reload). // after it's been terminated (still remains active until the next reload).
if (activeClientIds.size === 0) { if (activeClientIds.size === 0) {
return return;
} }
const requestId = crypto.randomUUID() const requestId = crypto.randomUUID();
event.respondWith(handleRequest(event, requestId, requestInterceptedAt)) event.respondWith(handleRequest(event, requestId, requestInterceptedAt));
}) });
/** /**
* @param {FetchEvent} event * @param {FetchEvent} event
@@ -122,23 +119,18 @@ addEventListener('fetch', function (event) {
* @param {number} requestInterceptedAt * @param {number} requestInterceptedAt
*/ */
async function handleRequest(event, requestId, requestInterceptedAt) { async function handleRequest(event, requestId, requestInterceptedAt) {
const client = await resolveMainClient(event) const client = await resolveMainClient(event);
const requestCloneForEvents = event.request.clone() const requestCloneForEvents = event.request.clone();
const response = await getResponse( const response = await getResponse(event, client, requestId, requestInterceptedAt);
event,
client,
requestId,
requestInterceptedAt,
)
// Send back the response clone for the "response:*" life-cycle events. // Send back the response clone for the "response:*" life-cycle events.
// Ensure MSW is active and ready to handle the message, otherwise // Ensure MSW is active and ready to handle the message, otherwise
// this message will pend indefinitely. // this message will pend indefinitely.
if (client && activeClientIds.has(client.id)) { if (client && activeClientIds.has(client.id)) {
const serializedRequest = await serializeRequest(requestCloneForEvents) const serializedRequest = await serializeRequest(requestCloneForEvents);
// Clone the response so both the client and the library could consume it. // Clone the response so both the client and the library could consume it.
const responseClone = response.clone() const responseClone = response.clone();
sendToClient( sendToClient(
client, client,
@@ -159,11 +151,11 @@ async function handleRequest(event, requestId, requestInterceptedAt) {
}, },
}, },
}, },
responseClone.body ? [serializedRequest.body, responseClone.body] : [], responseClone.body ? [serializedRequest.body, responseClone.body] : []
) );
} }
return response return response;
} }
/** /**
@@ -175,30 +167,30 @@ async function handleRequest(event, requestId, requestInterceptedAt) {
* @returns {Promise<Client | undefined>} * @returns {Promise<Client | undefined>}
*/ */
async function resolveMainClient(event) { async function resolveMainClient(event) {
const client = await self.clients.get(event.clientId) const client = await self.clients.get(event.clientId);
if (activeClientIds.has(event.clientId)) { if (activeClientIds.has(event.clientId)) {
return client return client;
} }
if (client?.frameType === 'top-level') { if (client?.frameType === 'top-level') {
return client return client;
} }
const allClients = await self.clients.matchAll({ const allClients = await self.clients.matchAll({
type: 'window', type: 'window',
}) });
return allClients return allClients
.filter((client) => { .filter((client) => {
// Get only those clients that are currently visible. // Get only those clients that are currently visible.
return client.visibilityState === 'visible' return client.visibilityState === 'visible';
}) })
.find((client) => { .find((client) => {
// Find the client ID that's recorded in the // Find the client ID that's recorded in the
// set of clients that have registered the worker. // set of clients that have registered the worker.
return activeClientIds.has(client.id) return activeClientIds.has(client.id);
}) });
} }
/** /**
@@ -211,36 +203,34 @@ async function resolveMainClient(event) {
async function getResponse(event, client, requestId, requestInterceptedAt) { async function getResponse(event, client, requestId, requestInterceptedAt) {
// Clone the request because it might've been already used // Clone the request because it might've been already used
// (i.e. its body has been read and sent to the client). // (i.e. its body has been read and sent to the client).
const requestClone = event.request.clone() const requestClone = event.request.clone();
function passthrough() { function passthrough() {
// Cast the request headers to a new Headers instance // Cast the request headers to a new Headers instance
// so the headers can be manipulated with. // so the headers can be manipulated with.
const headers = new Headers(requestClone.headers) const headers = new Headers(requestClone.headers);
// Remove the "accept" header value that marked this request as passthrough. // Remove the "accept" header value that marked this request as passthrough.
// This prevents request alteration and also keeps it compliant with the // This prevents request alteration and also keeps it compliant with the
// user-defined CORS policies. // user-defined CORS policies.
const acceptHeader = headers.get('accept') const acceptHeader = headers.get('accept');
if (acceptHeader) { if (acceptHeader) {
const values = acceptHeader.split(',').map((value) => value.trim()) const values = acceptHeader.split(',').map((value) => value.trim());
const filteredValues = values.filter( const filteredValues = values.filter((value) => value !== 'msw/passthrough');
(value) => value !== 'msw/passthrough',
)
if (filteredValues.length > 0) { if (filteredValues.length > 0) {
headers.set('accept', filteredValues.join(', ')) headers.set('accept', filteredValues.join(', '));
} else { } else {
headers.delete('accept') headers.delete('accept');
} }
} }
return fetch(requestClone, { headers }) return fetch(requestClone, { headers });
} }
// Bypass mocking when the client is not active. // Bypass mocking when the client is not active.
if (!client) { if (!client) {
return passthrough() return passthrough();
} }
// Bypass initial page load requests (i.e. static assets). // Bypass initial page load requests (i.e. static assets).
@@ -248,11 +238,11 @@ async function getResponse(event, client, requestId, requestInterceptedAt) {
// means that MSW hasn't dispatched the "MOCK_ACTIVATE" event yet // means that MSW hasn't dispatched the "MOCK_ACTIVATE" event yet
// and is not ready to handle requests. // and is not ready to handle requests.
if (!activeClientIds.has(client.id)) { if (!activeClientIds.has(client.id)) {
return passthrough() return passthrough();
} }
// Notify the client that a request has been intercepted. // Notify the client that a request has been intercepted.
const serializedRequest = await serializeRequest(event.request) const serializedRequest = await serializeRequest(event.request);
const clientMessage = await sendToClient( const clientMessage = await sendToClient(
client, client,
{ {
@@ -263,20 +253,20 @@ async function getResponse(event, client, requestId, requestInterceptedAt) {
...serializedRequest, ...serializedRequest,
}, },
}, },
[serializedRequest.body], [serializedRequest.body]
) );
switch (clientMessage.type) { switch (clientMessage.type) {
case 'MOCK_RESPONSE': { case 'MOCK_RESPONSE': {
return respondWithMock(clientMessage.data) return respondWithMock(clientMessage.data);
} }
case 'PASSTHROUGH': { case 'PASSTHROUGH': {
return passthrough() return passthrough();
} }
} }
return passthrough() return passthrough();
} }
/** /**
@@ -287,21 +277,18 @@ async function getResponse(event, client, requestId, requestInterceptedAt) {
*/ */
function sendToClient(client, message, transferrables = []) { function sendToClient(client, message, transferrables = []) {
return new Promise((resolve, reject) => { return new Promise((resolve, reject) => {
const channel = new MessageChannel() const channel = new MessageChannel();
channel.port1.onmessage = (event) => { channel.port1.onmessage = (event) => {
if (event.data && event.data.error) { if (event.data && event.data.error) {
return reject(event.data.error) return reject(event.data.error);
} }
resolve(event.data) resolve(event.data);
} };
client.postMessage(message, [ client.postMessage(message, [channel.port2, ...transferrables.filter(Boolean)]);
channel.port2, });
...transferrables.filter(Boolean),
])
})
} }
/** /**
@@ -314,17 +301,17 @@ function respondWithMock(response) {
// instance will have status code set to 0. Since it's not possible to create // 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. // a Response instance with status code 0, handle that use-case separately.
if (response.status === 0) { if (response.status === 0) {
return Response.error() return Response.error();
} }
const mockedResponse = new Response(response.body, response) const mockedResponse = new Response(response.body, response);
Reflect.defineProperty(mockedResponse, IS_MOCKED_RESPONSE, { Reflect.defineProperty(mockedResponse, IS_MOCKED_RESPONSE, {
value: true, value: true,
enumerable: true, enumerable: true,
}) });
return mockedResponse return mockedResponse;
} }
/** /**
@@ -345,5 +332,5 @@ async function serializeRequest(request) {
referrerPolicy: request.referrerPolicy, referrerPolicy: request.referrerPolicy,
body: await request.arrayBuffer(), body: await request.arrayBuffer(),
keepalive: request.keepalive, keepalive: request.keepalive,
} };
} }