https://www.mobirydays.jp/mockServiceWorker.js

1/* eslint-disable */
2/* tslint:disable */
3
4/**
5 * Mock Service Worker.
6 * @see https://github.com/mswjs/msw
7 * - Please do NOT modify this file.
8 * - Please do NOT serve this file on production.
9 */
10
11const PACKAGE_VERSION = '2.6.6';
12const INTEGRITY_CHECKSUM = 'ca7800994cc8bfb5eb961e037c877074';
13const IS_MOCKED_RESPONSE = Symbol('isMockedResponse');
14const activeClientIds = new Set();
15
16self.addEventListener('install', function () {
17  self.skipWaiting();
18});
19
20self.addEventListener('activate', function (event) {
21  event.waitUntil(self.clients.claim());
22});
23
24self.addEventListener('message', async function (event) {
25  const clientId = event.source.id;
26
27  if (!clientId || !self.clients) {
28    return;
29  }
30
31  const client = await self.clients.get(clientId);
32
33  if (!client) {
34    return;
35  }
36
37  const allClients = await self.clients.matchAll({
38    type: 'window',
39  });
40
41  switch (event.data) {
42    case 'KEEPALIVE_REQUEST': {
43      sendToClient(client, {
44        type: 'KEEPALIVE_RESPONSE',
45      });
46      break;
47    }
48
49    case 'INTEGRITY_CHECK_REQUEST': {
50      sendToClient(client, {
51        type: 'INTEGRITY_CHECK_RESPONSE',
52        payload: {
53          packageVersion: PACKAGE_VERSION,
54          checksum: INTEGRITY_CHECKSUM,
55        },
56      });
57      break;
58    }
59
60    case 'MOCK_ACTIVATE': {
61      activeClientIds.add(clientId);
62
63      sendToClient(client, {
64        type: 'MOCKING_ENABLED',
65        payload: {
66          client: {
67            id: client.id,
68            frameType: client.frameType,
69          },
70        },
71      });
72      break;
73    }
74
75    case 'MOCK_DEACTIVATE': {
76      activeClientIds.delete(clientId);
77      break;
78    }
79
80    case 'CLIENT_CLOSED': {
81      activeClientIds.delete(clientId);
82
83      const remainingClients = allClients.filter((client) => {
84        return client.id !== clientId;
85      });
86
87      // Unregister itself when there are no more clients
88      if (remainingClients.length === 0) {
89        self.registration.unregister();
90      }
91
92      break;
93    }
94  }
95});
96
97self.addEventListener('fetch', function (event) {
98  const { request } = event;
99
100  // Only return mock response when request.url starts with http://localhost:3000/api
101  if (!request.url.includes('http://localhost:3000/api')) {
102    return;
103  }
104
105  // Bypass navigation requests.
106  if (request.mode === 'navigate') {
107    return;
108  }
109
110  // Opening the DevTools triggers the "only-if-cached" request
111  // that cannot be handled by the worker. Bypass such requests.
112  if (request.cache === 'only-if-cached' && request.mode !== 'same-origin') {
113    return;
114  }
115
116  // Bypass all requests when there are no active clients.
117  // Prevents the self-unregistered worked from handling requests
118  // after it's been deleted (still remains active until the next reload).
119  if (activeClientIds.size === 0) {
120    return;
121  }
122
123  // Generate unique request ID.
124  const requestId = crypto.randomUUID();
125  event.respondWith(handleRequest(event, requestId));
126});
127
128async function handleRequest(event, requestId) {
129  const client = await resolveMainClient(event);
130  const response = await getResponse(event, client, requestId);
131
132  // Send back the response clone for the "response:*" life-cycle events.
133  // Ensure MSW is active and ready to handle the message, otherwise
134  // this message will pend indefinitely.
135  if (client && activeClientIds.has(client.id)) {
136    (async function () {
137      const responseClone = response.clone();
138
139      sendToClient(
140        client,
141        {
142          type: 'RESPONSE',
143          payload: {
144            requestId,
145            isMockedResponse: IS_MOCKED_RESPONSE in response,
146            type: responseClone.type,
147            status: responseClone.status,
148            statusText: responseClone.statusText,
149            body: responseClone.body,
150            headers: Object.fromEntries(responseClone.headers.entries()),
151          },
152        },
153        [responseClone.body],
154      );
155    })();
156  }
157
158  return response;
159}
160
161// Resolve the main client for the given event.
162// Client that issues a request doesn't necessarily equal the client
163// that registered the worker. It's with the latter the worker should
164// communicate with during the response resolving phase.
165async function resolveMainClient(event) {
166  const client = await self.clients.get(event.clientId);
167
168  if (activeClientIds.has(event.clientId)) {
169    return client;
170  }
171
172  if (client?.frameType === 'top-level') {
173    return client;
174  }
175
176  const allClients = await self.clients.matchAll({
177    type: 'window',
178  });
179
180  return allClients
181    .filter((client) => {
182      // Get only those clients that are currently visible.
183      return client.visibilityState === 'visible';
184    })
185    .find((client) => {
186      // Find the client ID that's recorded in the
187      // set of clients that have registered the worker.
188      return activeClientIds.has(client.id);
189    });
190}
191
192async function getResponse(event, client, requestId) {
193  const { request } = event;
194
195  // Clone the request because it might've been already used
196  // (i.e. its body has been read and sent to the client).
197  const requestClone = request.clone();
198
199  function passthrough() {
200    // Cast the request headers to a new Headers instance
201    // so the headers can be manipulated with.
202    const headers = new Headers(requestClone.headers);
203
204    // Remove the "accept" header value that marked this request as passthrough.
205    // This prevents request alteration and also keeps it compliant with the
206    // user-defined CORS policies.
207    headers.delete('accept', 'msw/passthrough');
208
209    return fetch(requestClone, { headers });
210  }
211
212  // Bypass mocking when the client is not active.
213  if (!client) {
214    return passthrough();
215  }
216
217  // Bypass initial page load requests (i.e. static assets).
218  // The absence of the immediate/parent client in the map of the active clients
219  // means that MSW hasn't dispatched the "MOCK_ACTIVATE" event yet
220  // and is not ready to handle requests.
221  if (!activeClientIds.has(client.id)) {
222    return passthrough();
223  }
224
225  // Notify the client that a request has been intercepted.
226  const requestBuffer = await request.arrayBuffer();
227  const clientMessage = await sendToClient(
228    client,
229    {
230      type: 'REQUEST',
231      payload: {
232        id: requestId,
233        url: request.url,
234        mode: request.mode,
235        method: request.method,
236        headers: Object.fromEntries(request.headers.entries()),
237        cache: request.cache,
238        credentials: request.credentials,
239        destination: request.destination,
240        integrity: request.integrity,
241        redirect: request.redirect,
242        referrer: request.referrer,
243        referrerPolicy: request.referrerPolicy,
244        body: requestBuffer,
245        keepalive: request.keepalive,
246      },
247    },
248    [requestBuffer],
249  );
250
251  switch (clientMessage.type) {
252    case 'MOCK_RESPONSE': {
253      return respondWithMock(clientMessage.data);
254    }
255
256    case 'PASSTHROUGH': {
257      return passthrough();
258    }
259  }
260
261  return passthrough();
262}
263
264function sendToClient(client, message, transferrables = []) {
265  return new Promise((resolve, reject) => {
266    const channel = new MessageChannel();
267
268    channel.port1.onmessage = (event) => {
269      if (event.data && event.data.error) {
270        return reject(event.data.error);
271      }
272
273      resolve(event.data);
274    };
275
276    client.postMessage(message, [channel.port2].concat(transferrables.filter(

276Boolean)));
277  });
278}
279
280async function respondWithMock(response) {
281  // Setting response status code to 0 is a no-op.
282  // However, when responding with a "Response.error()", the produced Response
283  // instance will have status code set to 0. Since it's not possible to create
284  // a Response instance with status code 0, handle that use-case separately.
285  if (response.status === 0) {
286    return Response.error();
287  }
288
289  const mockedResponse = new Response(response.body, response);
290
291  Reflect.defineProperty(mockedResponse, IS_MOCKED_RESPONSE, {
292    value: true,
293    enumerable: true,
294  });
295
296  return mockedResponse;
297}