Sha256: 9a1ebe24402b5f2ae2ea518281a0810d5fb038b4e275c5f12acc31e002aa8a72
Contents?: true
Size: 1.65 KB
Versions: 26
Compression:
Stored size: 1.65 KB
Contents
import { invariant } from 'outvariant'
import { Emitter } from 'strict-event-emitter'
import { HttpRequestEventMap, IS_PATCHED_MODULE } from '../../glossary'
import { Interceptor } from '../../Interceptor'
import { createXMLHttpRequestProxy } from './XMLHttpRequestProxy'
export type XMLHttpRequestEmitter = Emitter<HttpRequestEventMap>
export class XMLHttpRequestInterceptor extends Interceptor<HttpRequestEventMap> {
static interceptorSymbol = Symbol('xhr')
constructor() {
super(XMLHttpRequestInterceptor.interceptorSymbol)
}
protected checkEnvironment() {
return typeof globalThis.XMLHttpRequest !== 'undefined'
}
protected setup() {
const logger = this.logger.extend('setup')
logger.info('patching "XMLHttpRequest" module...')
const PureXMLHttpRequest = globalThis.XMLHttpRequest
invariant(
!(PureXMLHttpRequest as any)[IS_PATCHED_MODULE],
'Failed to patch the "XMLHttpRequest" module: already patched.'
)
globalThis.XMLHttpRequest = createXMLHttpRequestProxy({
emitter: this.emitter,
logger: this.logger,
})
logger.info(
'native "XMLHttpRequest" module patched!',
globalThis.XMLHttpRequest.name
)
Object.defineProperty(globalThis.XMLHttpRequest, IS_PATCHED_MODULE, {
enumerable: true,
configurable: true,
value: true,
})
this.subscriptions.push(() => {
Object.defineProperty(globalThis.XMLHttpRequest, IS_PATCHED_MODULE, {
value: undefined,
})
globalThis.XMLHttpRequest = PureXMLHttpRequest
logger.info(
'native "XMLHttpRequest" module restored!',
globalThis.XMLHttpRequest.name
)
})
}
}
Version data entries
26 entries across 26 versions & 1 rubygems