Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 | 28x 15x 15x 15x 1x 14x 13x 3x 3x 3x 1x 2x 10x 9x 9x 1x 8x 8x 6x 6x 6x 6x 1x 1x 16x 16x 8x 8x | import { logger } from '../../../shared/logger'
import { PatcherRequest } from '../types'
import { resolveRequestInitMethod, setHeaderForRequestInit, setIncludeCredentialsForRequestInit } from './requestInit'
/**
* Resolves fetch parameters into a standardized PatcherRequest object.
*
* Supports three types of fetch calls:
* - fetch(url, requestInit) - URL as string
* - fetch(urlObject, requestInit) - URL as URL object
* - fetch(request) - Request object
*
* @param params - The parameters passed to the fetch function by the app.
* @returns A `PatcherRequest` and the parameters to pass to the actual fetch invocation, or undefined if patching is unsupported.
*/
export function resolvePatcherRequest(
params: Parameters<typeof fetch>
): [PatcherRequest, Parameters<typeof fetch>] | undefined {
// fetch("https://example.com", {...})
if (typeof params[0] === 'string') {
const url = params[0]
const requestInit = params[1]
// no-cors mode requests disallow custom headers: https://developer.mozilla.org/en-US/docs/Web/API/RequestInit#mode
if (requestInit?.mode === 'no-cors') {
return undefined
}
return resolveRequestInitPatcherRequest(url, requestInit)
}
// fetch(new URL("https://example.com", window.location.href), {...})
if (params[0] instanceof URL) {
const url = params[0]
const requestInit = params[1]
// no-cors mode requests disallow custom headers: https://developer.mozilla.org/en-US/docs/Web/API/RequestInit#mode
if (requestInit?.mode === 'no-cors') {
return undefined
}
return resolveRequestInitPatcherRequest(url, requestInit)
}
// fetch({url: "https://example.com", method: "POST"})
if (params[0] instanceof Request) {
const request = params[0]
// no-cors mode requests disallow custom headers: https://developer.mozilla.org/en-US/docs/Web/API/RequestInit#mode
if (request.mode === 'no-cors') {
return undefined
}
const updatedParams: [Request] = [request]
return [
{
url: request.url.toString(),
method: request.method,
setIncludeCredentials() {
const appIncludedCredentials = updatedParams[0].credentials === 'include'
updatedParams[0] = new Request(request, { credentials: 'include' })
return appIncludedCredentials
},
setHeader(name, value) {
updatedParams[0].headers.set(name, value)
},
},
updatedParams,
]
}
logger.warn('Unsupported fetch request', params)
return undefined
}
function resolveRequestInitPatcherRequest(
url: string | URL,
requestInit?: RequestInit
): [PatcherRequest, Parameters<typeof fetch>] {
const updatedParams: [string | URL, RequestInit] = [url, requestInit ? { ...requestInit } : {}]
return [
{
url: url.toString(),
method: resolveRequestInitMethod(updatedParams[1]),
setIncludeCredentials() {
return setIncludeCredentialsForRequestInit(updatedParams[1])
},
setHeader(name, value) {
setHeaderForRequestInit(name, value, updatedParams[1])
},
},
updatedParams,
]
}
|