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| 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 | 27x 15x 15x 1x 14x 7x 12x 2x 2x 2x 1x 10x 9x 9x 1x 8x 6x 1x 1x | import { logger } from '../../../shared/logger'
import { PatcherRequest } from '../types'
import { FetchParamsWithRequestInit, resolveRequestInitMethod, setHeaderForRequestInit } 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. Can be modified via the `setHeader` method of the returned PatcherRequest object.
* @returns A PatcherRequest object with URL, method, and setHeader function, or undefined if unsupported
*/
export function resolvePatcherRequest(params: Parameters<typeof fetch>): PatcherRequest | undefined {
// fetch("https://example.com", {...})
if (typeof params[0] === 'string') {
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 {
url: params[0],
method: resolveRequestInitMethod(requestInit),
setHeader: (name, value) => {
// eslint-disable-next-line @typescript-eslint/consistent-type-assertions
setHeaderForRequestInit(name, value, params as FetchParamsWithRequestInit)
},
}
}
// fetch(new URL("https://example.com", window.location.href), {...})
if (params[0] instanceof URL) {
const requestInit = params[1]
// no-cors mode requests disallow custom headers: https://developer.mozilla.org/en-US/docs/Web/API/RequestInit#mode
Iif (requestInit?.mode === 'no-cors') {
return undefined
}
return {
url: params[0].toString(),
method: resolveRequestInitMethod(requestInit),
setHeader: (name, value) => {
// eslint-disable-next-line @typescript-eslint/consistent-type-assertions
setHeaderForRequestInit(name, value, params as FetchParamsWithRequestInit)
},
}
}
// 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
}
return {
url: request.url.toString(),
method: request.method,
setHeader: (name, value) => {
request.headers.set(name, value)
},
}
}
logger.warn('Unsupported fetch request', params)
return undefined
}
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