|
| 1 | +/* eslint-disable */ |
| 2 | +/* tslint:disable */ |
| 3 | + |
| 4 | +/** |
| 5 | + * Mock Service Worker (0.49.3). |
| 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 | + |
| 11 | +const INTEGRITY_CHECKSUM = '3d6b9f06410d179a7f7404d4bf4c3c70' |
| 12 | +const activeClientIds = new Set() |
| 13 | + |
| 14 | +self.addEventListener('install', function () { |
| 15 | + self.skipWaiting() |
| 16 | +}) |
| 17 | + |
| 18 | +self.addEventListener('activate', function (event) { |
| 19 | + event.waitUntil(self.clients.claim()) |
| 20 | +}) |
| 21 | + |
| 22 | +self.addEventListener('message', async function (event) { |
| 23 | + const clientId = event.source.id |
| 24 | + |
| 25 | + if (!clientId || !self.clients) { |
| 26 | + return |
| 27 | + } |
| 28 | + |
| 29 | + const client = await self.clients.get(clientId) |
| 30 | + |
| 31 | + if (!client) { |
| 32 | + return |
| 33 | + } |
| 34 | + |
| 35 | + const allClients = await self.clients.matchAll({ |
| 36 | + type: 'window', |
| 37 | + }) |
| 38 | + |
| 39 | + switch (event.data) { |
| 40 | + case 'KEEPALIVE_REQUEST': { |
| 41 | + sendToClient(client, { |
| 42 | + type: 'KEEPALIVE_RESPONSE', |
| 43 | + }) |
| 44 | + break |
| 45 | + } |
| 46 | + |
| 47 | + case 'INTEGRITY_CHECK_REQUEST': { |
| 48 | + sendToClient(client, { |
| 49 | + type: 'INTEGRITY_CHECK_RESPONSE', |
| 50 | + payload: INTEGRITY_CHECKSUM, |
| 51 | + }) |
| 52 | + break |
| 53 | + } |
| 54 | + |
| 55 | + case 'MOCK_ACTIVATE': { |
| 56 | + activeClientIds.add(clientId) |
| 57 | + |
| 58 | + sendToClient(client, { |
| 59 | + type: 'MOCKING_ENABLED', |
| 60 | + payload: true, |
| 61 | + }) |
| 62 | + break |
| 63 | + } |
| 64 | + |
| 65 | + case 'MOCK_DEACTIVATE': { |
| 66 | + activeClientIds.delete(clientId) |
| 67 | + break |
| 68 | + } |
| 69 | + |
| 70 | + case 'CLIENT_CLOSED': { |
| 71 | + activeClientIds.delete(clientId) |
| 72 | + |
| 73 | + const remainingClients = allClients.filter((client) => { |
| 74 | + return client.id !== clientId |
| 75 | + }) |
| 76 | + |
| 77 | + // Unregister itself when there are no more clients |
| 78 | + if (remainingClients.length === 0) { |
| 79 | + self.registration.unregister() |
| 80 | + } |
| 81 | + |
| 82 | + break |
| 83 | + } |
| 84 | + } |
| 85 | +}) |
| 86 | + |
| 87 | +self.addEventListener('fetch', function (event) { |
| 88 | + const { request } = event |
| 89 | + const accept = request.headers.get('accept') || '' |
| 90 | + |
| 91 | + // Bypass server-sent events. |
| 92 | + if (accept.includes('text/event-stream')) { |
| 93 | + return |
| 94 | + } |
| 95 | + |
| 96 | + // Bypass navigation requests. |
| 97 | + if (request.mode === 'navigate') { |
| 98 | + return |
| 99 | + } |
| 100 | + |
| 101 | + // Opening the DevTools triggers the "only-if-cached" request |
| 102 | + // that cannot be handled by the worker. Bypass such requests. |
| 103 | + if (request.cache === 'only-if-cached' && request.mode !== 'same-origin') { |
| 104 | + return |
| 105 | + } |
| 106 | + |
| 107 | + // Bypass all requests when there are no active clients. |
| 108 | + // Prevents the self-unregistered worked from handling requests |
| 109 | + // after it's been deleted (still remains active until the next reload). |
| 110 | + if (activeClientIds.size === 0) { |
| 111 | + return |
| 112 | + } |
| 113 | + |
| 114 | + // Generate unique request ID. |
| 115 | + const requestId = Math.random().toString(16).slice(2) |
| 116 | + |
| 117 | + event.respondWith( |
| 118 | + handleRequest(event, requestId).catch((error) => { |
| 119 | + if (error.name === 'NetworkError') { |
| 120 | + console.warn( |
| 121 | + '[MSW] Successfully emulated a network error for the "%s %s" request.', |
| 122 | + request.method, |
| 123 | + request.url, |
| 124 | + ) |
| 125 | + return |
| 126 | + } |
| 127 | + |
| 128 | + // At this point, any exception indicates an issue with the original request/response. |
| 129 | + console.error( |
| 130 | + `\ |
| 131 | +[MSW] Caught an exception from the "%s %s" request (%s). This is probably not a problem with Mock Service Worker. There is likely an additional logging output above.`, |
| 132 | + request.method, |
| 133 | + request.url, |
| 134 | + `${error.name}: ${error.message}`, |
| 135 | + ) |
| 136 | + }), |
| 137 | + ) |
| 138 | +}) |
| 139 | + |
| 140 | +async function handleRequest(event, requestId) { |
| 141 | + const client = await resolveMainClient(event) |
| 142 | + const response = await getResponse(event, client, requestId) |
| 143 | + |
| 144 | + // Send back the response clone for the "response:*" life-cycle events. |
| 145 | + // Ensure MSW is active and ready to handle the message, otherwise |
| 146 | + // this message will pend indefinitely. |
| 147 | + if (client && activeClientIds.has(client.id)) { |
| 148 | + ;(async function () { |
| 149 | + const clonedResponse = response.clone() |
| 150 | + sendToClient(client, { |
| 151 | + type: 'RESPONSE', |
| 152 | + payload: { |
| 153 | + requestId, |
| 154 | + type: clonedResponse.type, |
| 155 | + ok: clonedResponse.ok, |
| 156 | + status: clonedResponse.status, |
| 157 | + statusText: clonedResponse.statusText, |
| 158 | + body: |
| 159 | + clonedResponse.body === null ? null : await clonedResponse.text(), |
| 160 | + headers: Object.fromEntries(clonedResponse.headers.entries()), |
| 161 | + redirected: clonedResponse.redirected, |
| 162 | + }, |
| 163 | + }) |
| 164 | + })() |
| 165 | + } |
| 166 | + |
| 167 | + return response |
| 168 | +} |
| 169 | + |
| 170 | +// Resolve the main client for the given event. |
| 171 | +// Client that issues a request doesn't necessarily equal the client |
| 172 | +// that registered the worker. It's with the latter the worker should |
| 173 | +// communicate with during the response resolving phase. |
| 174 | +async function resolveMainClient(event) { |
| 175 | + const client = await self.clients.get(event.clientId) |
| 176 | + |
| 177 | + if (client?.frameType === 'top-level') { |
| 178 | + return client |
| 179 | + } |
| 180 | + |
| 181 | + const allClients = await self.clients.matchAll({ |
| 182 | + type: 'window', |
| 183 | + }) |
| 184 | + |
| 185 | + return allClients |
| 186 | + .filter((client) => { |
| 187 | + // Get only those clients that are currently visible. |
| 188 | + return client.visibilityState === 'visible' |
| 189 | + }) |
| 190 | + .find((client) => { |
| 191 | + // Find the client ID that's recorded in the |
| 192 | + // set of clients that have registered the worker. |
| 193 | + return activeClientIds.has(client.id) |
| 194 | + }) |
| 195 | +} |
| 196 | + |
| 197 | +async function getResponse(event, client, requestId) { |
| 198 | + const { request } = event |
| 199 | + const clonedRequest = request.clone() |
| 200 | + |
| 201 | + function passthrough() { |
| 202 | + // Clone the request because it might've been already used |
| 203 | + // (i.e. its body has been read and sent to the client). |
| 204 | + const headers = Object.fromEntries(clonedRequest.headers.entries()) |
| 205 | + |
| 206 | + // Remove MSW-specific request headers so the bypassed requests |
| 207 | + // comply with the server's CORS preflight check. |
| 208 | + // Operate with the headers as an object because request "Headers" |
| 209 | + // are immutable. |
| 210 | + delete headers['x-msw-bypass'] |
| 211 | + |
| 212 | + return fetch(clonedRequest, { headers }) |
| 213 | + } |
| 214 | + |
| 215 | + // Bypass mocking when the client is not active. |
| 216 | + if (!client) { |
| 217 | + return passthrough() |
| 218 | + } |
| 219 | + |
| 220 | + // Bypass initial page load requests (i.e. static assets). |
| 221 | + // The absence of the immediate/parent client in the map of the active clients |
| 222 | + // means that MSW hasn't dispatched the "MOCK_ACTIVATE" event yet |
| 223 | + // and is not ready to handle requests. |
| 224 | + if (!activeClientIds.has(client.id)) { |
| 225 | + return passthrough() |
| 226 | + } |
| 227 | + |
| 228 | + // Bypass requests with the explicit bypass header. |
| 229 | + // Such requests can be issued by "ctx.fetch()". |
| 230 | + if (request.headers.get('x-msw-bypass') === 'true') { |
| 231 | + return passthrough() |
| 232 | + } |
| 233 | + |
| 234 | + // Notify the client that a request has been intercepted. |
| 235 | + const clientMessage = await sendToClient(client, { |
| 236 | + type: 'REQUEST', |
| 237 | + payload: { |
| 238 | + id: requestId, |
| 239 | + url: request.url, |
| 240 | + method: request.method, |
| 241 | + headers: Object.fromEntries(request.headers.entries()), |
| 242 | + cache: request.cache, |
| 243 | + mode: request.mode, |
| 244 | + credentials: request.credentials, |
| 245 | + destination: request.destination, |
| 246 | + integrity: request.integrity, |
| 247 | + redirect: request.redirect, |
| 248 | + referrer: request.referrer, |
| 249 | + referrerPolicy: request.referrerPolicy, |
| 250 | + body: await request.text(), |
| 251 | + bodyUsed: request.bodyUsed, |
| 252 | + keepalive: request.keepalive, |
| 253 | + }, |
| 254 | + }) |
| 255 | + |
| 256 | + switch (clientMessage.type) { |
| 257 | + case 'MOCK_RESPONSE': { |
| 258 | + return respondWithMock(clientMessage.data) |
| 259 | + } |
| 260 | + |
| 261 | + case 'MOCK_NOT_FOUND': { |
| 262 | + return passthrough() |
| 263 | + } |
| 264 | + |
| 265 | + case 'NETWORK_ERROR': { |
| 266 | + const { name, message } = clientMessage.data |
| 267 | + const networkError = new Error(message) |
| 268 | + networkError.name = name |
| 269 | + |
| 270 | + // Rejecting a "respondWith" promise emulates a network error. |
| 271 | + throw networkError |
| 272 | + } |
| 273 | + } |
| 274 | + |
| 275 | + return passthrough() |
| 276 | +} |
| 277 | + |
| 278 | +function sendToClient(client, message) { |
| 279 | + return new Promise((resolve, reject) => { |
| 280 | + const channel = new MessageChannel() |
| 281 | + |
| 282 | + channel.port1.onmessage = (event) => { |
| 283 | + if (event.data && event.data.error) { |
| 284 | + return reject(event.data.error) |
| 285 | + } |
| 286 | + |
| 287 | + resolve(event.data) |
| 288 | + } |
| 289 | + |
| 290 | + client.postMessage(message, [channel.port2]) |
| 291 | + }) |
| 292 | +} |
| 293 | + |
| 294 | +function sleep(timeMs) { |
| 295 | + return new Promise((resolve) => { |
| 296 | + setTimeout(resolve, timeMs) |
| 297 | + }) |
| 298 | +} |
| 299 | + |
| 300 | +async function respondWithMock(response) { |
| 301 | + await sleep(response.delay) |
| 302 | + return new Response(response.body, response) |
| 303 | +} |
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