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CHEVALLIER Abel
2025-11-13 16:23:22 +01:00
parent de9c515a47
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node_modules/rxjs/src/internal/ajax/AjaxResponse.ts generated vendored Normal file
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import { AjaxRequest, AjaxResponseType } from './types';
import { getXHRResponse } from './getXHRResponse';
/**
* A normalized response from an AJAX request. To get the data from the response,
* you will want to read the `response` property.
*
* - DO NOT create instances of this class directly.
* - DO NOT subclass this class.
*
* It is advised not to hold this object in memory, as it has a reference to
* the original XHR used to make the request, as well as properties containing
* request and response data.
*
* @see {@link ajax}
* @see {@link AjaxConfig}
*/
export class AjaxResponse<T> {
/** The HTTP status code */
readonly status: number;
/**
* The response data, if any. Note that this will automatically be converted to the proper type
*/
readonly response: T;
/**
* The responseType set on the request. (For example: `""`, `"arraybuffer"`, `"blob"`, `"document"`, `"json"`, or `"text"`)
* @deprecated There isn't much reason to examine this. It's the same responseType set (or defaulted) on the ajax config.
* If you really need to examine this value, you can check it on the `request` or the `xhr`. Will be removed in v8.
*/
readonly responseType: XMLHttpRequestResponseType;
/**
* The total number of bytes loaded so far. To be used with {@link total} while
* calculating progress. (You will want to set {@link includeDownloadProgress} or
* {@link includeDownloadProgress})
*/
readonly loaded: number;
/**
* The total number of bytes to be loaded. To be used with {@link loaded} while
* calculating progress. (You will want to set {@link includeDownloadProgress} or
* {@link includeDownloadProgress})
*/
readonly total: number;
/**
* A dictionary of the response headers.
*/
readonly responseHeaders: Record<string, string>;
/**
* A normalized response from an AJAX request. To get the data from the response,
* you will want to read the `response` property.
*
* - DO NOT create instances of this class directly.
* - DO NOT subclass this class.
*
* @param originalEvent The original event object from the XHR `onload` event.
* @param xhr The `XMLHttpRequest` object used to make the request. This is useful for examining status code, etc.
* @param request The request settings used to make the HTTP request.
* @param type The type of the event emitted by the {@link ajax} Observable
*/
constructor(
/**
* The original event object from the raw XHR event.
*/
public readonly originalEvent: ProgressEvent,
/**
* The XMLHttpRequest object used to make the request.
* NOTE: It is advised not to hold this in memory, as it will retain references to all of it's event handlers
* and many other things related to the request.
*/
public readonly xhr: XMLHttpRequest,
/**
* The request parameters used to make the HTTP request.
*/
public readonly request: AjaxRequest,
/**
* The event type. This can be used to discern between different events
* if you're using progress events with {@link includeDownloadProgress} or
* {@link includeUploadProgress} settings in {@link AjaxConfig}.
*
* The event type consists of two parts: the {@link AjaxDirection} and the
* the event type. Merged with `_`, they form the `type` string. The
* direction can be an `upload` or a `download` direction, while an event can
* be `loadstart`, `progress` or `load`.
*
* `download_load` is the type of event when download has finished and the
* response is available.
*/
public readonly type: AjaxResponseType = 'download_load'
) {
const { status, responseType } = xhr;
this.status = status ?? 0;
this.responseType = responseType ?? '';
// Parse the response headers in advance for the user. There's really
// not a great way to get all of them. So we need to parse the header string
// we get back. It comes in a simple enough format:
//
// header-name: value here
// content-type: application/json
// other-header-here: some, other, values, or, whatever
const allHeaders = xhr.getAllResponseHeaders();
this.responseHeaders = allHeaders
? // Split the header text into lines
allHeaders.split('\n').reduce((headers: Record<string, string>, line) => {
// Split the lines on the first ": " as
// "key: value". Note that the value could
// technically have a ": " in it.
const index = line.indexOf(': ');
headers[line.slice(0, index)] = line.slice(index + 2);
return headers;
}, {})
: {};
this.response = getXHRResponse(xhr);
const { loaded, total } = originalEvent;
this.loaded = loaded;
this.total = total;
}
}

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node_modules/rxjs/src/internal/ajax/ajax.ts generated vendored Normal file
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import { map } from '../operators/map';
import { Observable } from '../Observable';
import { AjaxConfig, AjaxRequest, AjaxDirection, ProgressEventType } from './types';
import { AjaxResponse } from './AjaxResponse';
import { AjaxTimeoutError, AjaxError } from './errors';
export interface AjaxCreationMethod {
/**
* Creates an observable that will perform an AJAX request using the
* [XMLHttpRequest](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest) in
* global scope by default.
*
* This is the most configurable option, and the basis for all other AJAX calls in the library.
*
* ## Example
*
* ```ts
* import { ajax } from 'rxjs/ajax';
* import { map, catchError, of } from 'rxjs';
*
* const obs$ = ajax({
* method: 'GET',
* url: 'https://api.github.com/users?per_page=5',
* responseType: 'json'
* }).pipe(
* map(userResponse => console.log('users: ', userResponse)),
* catchError(error => {
* console.log('error: ', error);
* return of(error);
* })
* );
* ```
*/
<T>(config: AjaxConfig): Observable<AjaxResponse<T>>;
/**
* Perform an HTTP GET using the
* [XMLHttpRequest](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest) in
* global scope. Defaults to a `responseType` of `"json"`.
*
* ## Example
*
* ```ts
* import { ajax } from 'rxjs/ajax';
* import { map, catchError, of } from 'rxjs';
*
* const obs$ = ajax('https://api.github.com/users?per_page=5').pipe(
* map(userResponse => console.log('users: ', userResponse)),
* catchError(error => {
* console.log('error: ', error);
* return of(error);
* })
* );
* ```
*/
<T>(url: string): Observable<AjaxResponse<T>>;
/**
* Performs an HTTP GET using the
* [XMLHttpRequest](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest) in
* global scope by default, and a `responseType` of `"json"`.
*
* @param url The URL to get the resource from
* @param headers Optional headers. Case-Insensitive.
*/
get<T>(url: string, headers?: Record<string, string>): Observable<AjaxResponse<T>>;
/**
* Performs an HTTP POST using the
* [XMLHttpRequest](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest) in
* global scope by default, and a `responseType` of `"json"`.
*
* Before sending the value passed to the `body` argument, it is automatically serialized
* based on the specified `responseType`. By default, a JavaScript object will be serialized
* to JSON. A `responseType` of `application/x-www-form-urlencoded` will flatten any provided
* dictionary object to a url-encoded string.
*
* @param url The URL to get the resource from
* @param body The content to send. The body is automatically serialized.
* @param headers Optional headers. Case-Insensitive.
*/
post<T>(url: string, body?: any, headers?: Record<string, string>): Observable<AjaxResponse<T>>;
/**
* Performs an HTTP PUT using the
* [XMLHttpRequest](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest) in
* global scope by default, and a `responseType` of `"json"`.
*
* Before sending the value passed to the `body` argument, it is automatically serialized
* based on the specified `responseType`. By default, a JavaScript object will be serialized
* to JSON. A `responseType` of `application/x-www-form-urlencoded` will flatten any provided
* dictionary object to a url-encoded string.
*
* @param url The URL to get the resource from
* @param body The content to send. The body is automatically serialized.
* @param headers Optional headers. Case-Insensitive.
*/
put<T>(url: string, body?: any, headers?: Record<string, string>): Observable<AjaxResponse<T>>;
/**
* Performs an HTTP PATCH using the
* [XMLHttpRequest](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest) in
* global scope by default, and a `responseType` of `"json"`.
*
* Before sending the value passed to the `body` argument, it is automatically serialized
* based on the specified `responseType`. By default, a JavaScript object will be serialized
* to JSON. A `responseType` of `application/x-www-form-urlencoded` will flatten any provided
* dictionary object to a url-encoded string.
*
* @param url The URL to get the resource from
* @param body The content to send. The body is automatically serialized.
* @param headers Optional headers. Case-Insensitive.
*/
patch<T>(url: string, body?: any, headers?: Record<string, string>): Observable<AjaxResponse<T>>;
/**
* Performs an HTTP DELETE using the
* [XMLHttpRequest](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest) in
* global scope by default, and a `responseType` of `"json"`.
*
* @param url The URL to get the resource from
* @param headers Optional headers. Case-Insensitive.
*/
delete<T>(url: string, headers?: Record<string, string>): Observable<AjaxResponse<T>>;
/**
* Performs an HTTP GET using the
* [XMLHttpRequest](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest) in
* global scope by default, and returns the hydrated JavaScript object from the
* response.
*
* @param url The URL to get the resource from
* @param headers Optional headers. Case-Insensitive.
*/
getJSON<T>(url: string, headers?: Record<string, string>): Observable<T>;
}
function ajaxGet<T>(url: string, headers?: Record<string, string>): Observable<AjaxResponse<T>> {
return ajax({ method: 'GET', url, headers });
}
function ajaxPost<T>(url: string, body?: any, headers?: Record<string, string>): Observable<AjaxResponse<T>> {
return ajax({ method: 'POST', url, body, headers });
}
function ajaxDelete<T>(url: string, headers?: Record<string, string>): Observable<AjaxResponse<T>> {
return ajax({ method: 'DELETE', url, headers });
}
function ajaxPut<T>(url: string, body?: any, headers?: Record<string, string>): Observable<AjaxResponse<T>> {
return ajax({ method: 'PUT', url, body, headers });
}
function ajaxPatch<T>(url: string, body?: any, headers?: Record<string, string>): Observable<AjaxResponse<T>> {
return ajax({ method: 'PATCH', url, body, headers });
}
const mapResponse = map((x: AjaxResponse<any>) => x.response);
function ajaxGetJSON<T>(url: string, headers?: Record<string, string>): Observable<T> {
return mapResponse(
ajax<T>({
method: 'GET',
url,
headers,
})
);
}
/**
* There is an ajax operator on the Rx object.
*
* It creates an observable for an Ajax request with either a request object with
* url, headers, etc or a string for a URL.
*
* ## Examples
*
* Using `ajax()` to fetch the response object that is being returned from API
*
* ```ts
* import { ajax } from 'rxjs/ajax';
* import { map, catchError, of } from 'rxjs';
*
* const obs$ = ajax('https://api.github.com/users?per_page=5').pipe(
* map(userResponse => console.log('users: ', userResponse)),
* catchError(error => {
* console.log('error: ', error);
* return of(error);
* })
* );
*
* obs$.subscribe({
* next: value => console.log(value),
* error: err => console.log(err)
* });
* ```
*
* Using `ajax.getJSON()` to fetch data from API
*
* ```ts
* import { ajax } from 'rxjs/ajax';
* import { map, catchError, of } from 'rxjs';
*
* const obs$ = ajax.getJSON('https://api.github.com/users?per_page=5').pipe(
* map(userResponse => console.log('users: ', userResponse)),
* catchError(error => {
* console.log('error: ', error);
* return of(error);
* })
* );
*
* obs$.subscribe({
* next: value => console.log(value),
* error: err => console.log(err)
* });
* ```
*
* Using `ajax()` with object as argument and method POST with a two seconds delay
*
* ```ts
* import { ajax } from 'rxjs/ajax';
* import { map, catchError, of } from 'rxjs';
*
* const users = ajax({
* url: 'https://httpbin.org/delay/2',
* method: 'POST',
* headers: {
* 'Content-Type': 'application/json',
* 'rxjs-custom-header': 'Rxjs'
* },
* body: {
* rxjs: 'Hello World!'
* }
* }).pipe(
* map(response => console.log('response: ', response)),
* catchError(error => {
* console.log('error: ', error);
* return of(error);
* })
* );
*
* users.subscribe({
* next: value => console.log(value),
* error: err => console.log(err)
* });
* ```
*
* Using `ajax()` to fetch. An error object that is being returned from the request
*
* ```ts
* import { ajax } from 'rxjs/ajax';
* import { map, catchError, of } from 'rxjs';
*
* const obs$ = ajax('https://api.github.com/404').pipe(
* map(userResponse => console.log('users: ', userResponse)),
* catchError(error => {
* console.log('error: ', error);
* return of(error);
* })
* );
*
* obs$.subscribe({
* next: value => console.log(value),
* error: err => console.log(err)
* });
* ```
*/
export const ajax: AjaxCreationMethod = (() => {
const create = <T>(urlOrConfig: string | AjaxConfig) => {
const config: AjaxConfig =
typeof urlOrConfig === 'string'
? {
url: urlOrConfig,
}
: urlOrConfig;
return fromAjax<T>(config);
};
create.get = ajaxGet;
create.post = ajaxPost;
create.delete = ajaxDelete;
create.put = ajaxPut;
create.patch = ajaxPatch;
create.getJSON = ajaxGetJSON;
return create;
})();
const UPLOAD = 'upload';
const DOWNLOAD = 'download';
const LOADSTART = 'loadstart';
const PROGRESS = 'progress';
const LOAD = 'load';
export function fromAjax<T>(init: AjaxConfig): Observable<AjaxResponse<T>> {
return new Observable((destination) => {
const config = {
// Defaults
async: true,
crossDomain: false,
withCredentials: false,
method: 'GET',
timeout: 0,
responseType: 'json' as XMLHttpRequestResponseType,
...init,
};
const { queryParams, body: configuredBody, headers: configuredHeaders } = config;
let url = config.url;
if (!url) {
throw new TypeError('url is required');
}
if (queryParams) {
let searchParams: URLSearchParams;
if (url.includes('?')) {
// If the user has passed a URL with a querystring already in it,
// we need to combine them. So we're going to split it. There
// should only be one `?` in a valid URL.
const parts = url.split('?');
if (2 < parts.length) {
throw new TypeError('invalid url');
}
// Add the passed queryParams to the params already in the url provided.
searchParams = new URLSearchParams(parts[1]);
// queryParams is converted to any because the runtime is *much* more permissive than
// the types are.
new URLSearchParams(queryParams as any).forEach((value, key) => searchParams.set(key, value));
// We have to do string concatenation here, because `new URL(url)` does
// not like relative URLs like `/this` without a base url, which we can't
// specify, nor can we assume `location` will exist, because of node.
url = parts[0] + '?' + searchParams;
} else {
// There is no preexisting querystring, so we can just use URLSearchParams
// to convert the passed queryParams into the proper format and encodings.
// queryParams is converted to any because the runtime is *much* more permissive than
// the types are.
searchParams = new URLSearchParams(queryParams as any);
url = url + '?' + searchParams;
}
}
// Normalize the headers. We're going to make them all lowercase, since
// Headers are case insensitive by design. This makes it easier to verify
// that we aren't setting or sending duplicates.
const headers: Record<string, any> = {};
if (configuredHeaders) {
for (const key in configuredHeaders) {
if (configuredHeaders.hasOwnProperty(key)) {
headers[key.toLowerCase()] = configuredHeaders[key];
}
}
}
const crossDomain = config.crossDomain;
// Set the x-requested-with header. This is a non-standard header that has
// come to be a de facto standard for HTTP requests sent by libraries and frameworks
// using XHR. However, we DO NOT want to set this if it is a CORS request. This is
// because sometimes this header can cause issues with CORS. To be clear,
// None of this is necessary, it's only being set because it's "the thing libraries do"
// Starting back as far as JQuery, and continuing with other libraries such as Angular 1,
// Axios, et al.
if (!crossDomain && !('x-requested-with' in headers)) {
headers['x-requested-with'] = 'XMLHttpRequest';
}
// Allow users to provide their XSRF cookie name and the name of a custom header to use to
// send the cookie.
const { withCredentials, xsrfCookieName, xsrfHeaderName } = config;
if ((withCredentials || !crossDomain) && xsrfCookieName && xsrfHeaderName) {
const xsrfCookie = document?.cookie.match(new RegExp(`(^|;\\s*)(${xsrfCookieName})=([^;]*)`))?.pop() ?? '';
if (xsrfCookie) {
headers[xsrfHeaderName] = xsrfCookie;
}
}
// Examine the body and determine whether or not to serialize it
// and set the content-type in `headers`, if we're able.
const body = extractContentTypeAndMaybeSerializeBody(configuredBody, headers);
// The final request settings.
const _request: Readonly<AjaxRequest> = {
...config,
// Set values we ensured above
url,
headers,
body,
};
let xhr: XMLHttpRequest;
// Create our XHR so we can get started.
xhr = init.createXHR ? init.createXHR() : new XMLHttpRequest();
{
///////////////////////////////////////////////////
// set up the events before open XHR
// https://developer.mozilla.org/en/docs/Web/API/XMLHttpRequest/Using_XMLHttpRequest
// You need to add the event listeners before calling open() on the request.
// Otherwise the progress events will not fire.
///////////////////////////////////////////////////
const { progressSubscriber, includeDownloadProgress = false, includeUploadProgress = false } = init;
/**
* Wires up an event handler that will emit an error when fired. Used
* for timeout and abort events.
* @param type The type of event we're treating as an error
* @param errorFactory A function that creates the type of error to emit.
*/
const addErrorEvent = (type: string, errorFactory: () => any) => {
xhr.addEventListener(type, () => {
const error = errorFactory();
progressSubscriber?.error?.(error);
destination.error(error);
});
};
// If the request times out, handle errors appropriately.
addErrorEvent('timeout', () => new AjaxTimeoutError(xhr, _request));
// If the request aborts (due to a network disconnection or the like), handle
// it as an error.
addErrorEvent('abort', () => new AjaxError('aborted', xhr, _request));
/**
* Creates a response object to emit to the consumer.
* @param direction the direction related to the event. Prefixes the event `type` in the
* `AjaxResponse` object with "upload_" for events related to uploading and "download_"
* for events related to downloading.
* @param event the actual event object.
*/
const createResponse = (direction: AjaxDirection, event: ProgressEvent) =>
new AjaxResponse<T>(event, xhr, _request, `${direction}_${event.type as ProgressEventType}` as const);
/**
* Wires up an event handler that emits a Response object to the consumer, used for
* all events that emit responses, loadstart, progress, and load.
* Note that download load handling is a bit different below, because it has
* more logic it needs to run.
* @param target The target, either the XHR itself or the Upload object.
* @param type The type of event to wire up
* @param direction The "direction", used to prefix the response object that is
* emitted to the consumer. (e.g. "upload_" or "download_")
*/
const addProgressEvent = (target: any, type: string, direction: AjaxDirection) => {
target.addEventListener(type, (event: ProgressEvent) => {
destination.next(createResponse(direction, event));
});
};
if (includeUploadProgress) {
[LOADSTART, PROGRESS, LOAD].forEach((type) => addProgressEvent(xhr.upload, type, UPLOAD));
}
if (progressSubscriber) {
[LOADSTART, PROGRESS].forEach((type) => xhr.upload.addEventListener(type, (e: any) => progressSubscriber?.next?.(e)));
}
if (includeDownloadProgress) {
[LOADSTART, PROGRESS].forEach((type) => addProgressEvent(xhr, type, DOWNLOAD));
}
const emitError = (status?: number) => {
const msg = 'ajax error' + (status ? ' ' + status : '');
destination.error(new AjaxError(msg, xhr, _request));
};
xhr.addEventListener('error', (e) => {
progressSubscriber?.error?.(e);
emitError();
});
xhr.addEventListener(LOAD, (event) => {
const { status } = xhr;
// 4xx and 5xx should error (https://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html)
if (status < 400) {
progressSubscriber?.complete?.();
let response: AjaxResponse<T>;
try {
// This can throw in IE, because we end up needing to do a JSON.parse
// of the response in some cases to produce object we'd expect from
// modern browsers.
response = createResponse(DOWNLOAD, event);
} catch (err) {
destination.error(err);
return;
}
destination.next(response);
destination.complete();
} else {
progressSubscriber?.error?.(event);
emitError(status);
}
});
}
const { user, method, async } = _request;
// open XHR
if (user) {
xhr.open(method, url, async, user, _request.password);
} else {
xhr.open(method, url, async);
}
// timeout, responseType and withCredentials can be set once the XHR is open
if (async) {
xhr.timeout = _request.timeout;
xhr.responseType = _request.responseType;
}
if ('withCredentials' in xhr) {
xhr.withCredentials = _request.withCredentials;
}
// set headers
for (const key in headers) {
if (headers.hasOwnProperty(key)) {
xhr.setRequestHeader(key, headers[key]);
}
}
// finally send the request
if (body) {
xhr.send(body);
} else {
xhr.send();
}
return () => {
if (xhr && xhr.readyState !== 4 /*XHR done*/) {
xhr.abort();
}
};
});
}
/**
* Examines the body to determine if we need to serialize it for them or not.
* If the body is a type that XHR handles natively, we just allow it through,
* otherwise, if the body is something that *we* can serialize for the user,
* we will serialize it, and attempt to set the `content-type` header, if it's
* not already set.
* @param body The body passed in by the user
* @param headers The normalized headers
*/
function extractContentTypeAndMaybeSerializeBody(body: any, headers: Record<string, string>) {
if (
!body ||
typeof body === 'string' ||
isFormData(body) ||
isURLSearchParams(body) ||
isArrayBuffer(body) ||
isFile(body) ||
isBlob(body) ||
isReadableStream(body)
) {
// The XHR instance itself can handle serializing these, and set the content-type for us
// so we don't need to do that. https://xhr.spec.whatwg.org/#the-send()-method
return body;
}
if (isArrayBufferView(body)) {
// This is a typed array (e.g. Float32Array or Uint8Array), or a DataView.
// XHR can handle this one too: https://fetch.spec.whatwg.org/#concept-bodyinit-extract
return body.buffer;
}
if (typeof body === 'object') {
// If we have made it here, this is an object, probably a POJO, and we'll try
// to serialize it for them. If this doesn't work, it will throw, obviously, which
// is okay. The workaround for users would be to manually set the body to their own
// serialized string (accounting for circular references or whatever), then set
// the content-type manually as well.
headers['content-type'] = headers['content-type'] ?? 'application/json;charset=utf-8';
return JSON.stringify(body);
}
// If we've gotten past everything above, this is something we don't quite know how to
// handle. Throw an error. This will be caught and emitted from the observable.
throw new TypeError('Unknown body type');
}
const _toString = Object.prototype.toString;
function toStringCheck(obj: any, name: string): boolean {
return _toString.call(obj) === `[object ${name}]`;
}
function isArrayBuffer(body: any): body is ArrayBuffer {
return toStringCheck(body, 'ArrayBuffer');
}
function isFile(body: any): body is File {
return toStringCheck(body, 'File');
}
function isBlob(body: any): body is Blob {
return toStringCheck(body, 'Blob');
}
function isArrayBufferView(body: any): body is ArrayBufferView {
return typeof ArrayBuffer !== 'undefined' && ArrayBuffer.isView(body);
}
function isFormData(body: any): body is FormData {
return typeof FormData !== 'undefined' && body instanceof FormData;
}
function isURLSearchParams(body: any): body is URLSearchParams {
return typeof URLSearchParams !== 'undefined' && body instanceof URLSearchParams;
}
function isReadableStream(body: any): body is ReadableStream {
return typeof ReadableStream !== 'undefined' && body instanceof ReadableStream;
}

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import { AjaxRequest } from './types';
import { getXHRResponse } from './getXHRResponse';
import { createErrorClass } from '../util/createErrorClass';
/**
* A normalized AJAX error.
*
* @see {@link ajax}
*/
export interface AjaxError extends Error {
/**
* The XHR instance associated with the error.
*/
xhr: XMLHttpRequest;
/**
* The AjaxRequest associated with the error.
*/
request: AjaxRequest;
/**
* The HTTP status code, if the request has completed. If not,
* it is set to `0`.
*/
status: number;
/**
* The responseType (e.g. 'json', 'arraybuffer', or 'xml').
*/
responseType: XMLHttpRequestResponseType;
/**
* The response data.
*/
response: any;
}
export interface AjaxErrorCtor {
/**
* @deprecated Internal implementation detail. Do not construct error instances.
* Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269
*/
new (message: string, xhr: XMLHttpRequest, request: AjaxRequest): AjaxError;
}
/**
* Thrown when an error occurs during an AJAX request.
* This is only exported because it is useful for checking to see if an error
* is an `instanceof AjaxError`. DO NOT create new instances of `AjaxError` with
* the constructor.
*
* @see {@link ajax}
*/
export const AjaxError: AjaxErrorCtor = createErrorClass(
(_super) =>
function AjaxErrorImpl(this: any, message: string, xhr: XMLHttpRequest, request: AjaxRequest) {
this.message = message;
this.name = 'AjaxError';
this.xhr = xhr;
this.request = request;
this.status = xhr.status;
this.responseType = xhr.responseType;
let response: any;
try {
// This can throw in IE, because we have to do a JSON.parse of
// the response in some cases to get the expected response property.
response = getXHRResponse(xhr);
} catch (err) {
response = xhr.responseText;
}
this.response = response;
}
);
export interface AjaxTimeoutError extends AjaxError {}
export interface AjaxTimeoutErrorCtor {
/**
* @deprecated Internal implementation detail. Do not construct error instances.
* Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269
*/
new (xhr: XMLHttpRequest, request: AjaxRequest): AjaxTimeoutError;
}
/**
* Thrown when an AJAX request times out. Not to be confused with {@link TimeoutError}.
*
* This is exported only because it is useful for checking to see if errors are an
* `instanceof AjaxTimeoutError`. DO NOT use the constructor to create an instance of
* this type.
*
* @see {@link ajax}
*/
export const AjaxTimeoutError: AjaxTimeoutErrorCtor = (() => {
function AjaxTimeoutErrorImpl(this: any, xhr: XMLHttpRequest, request: AjaxRequest) {
AjaxError.call(this, 'ajax timeout', xhr, request);
this.name = 'AjaxTimeoutError';
return this;
}
AjaxTimeoutErrorImpl.prototype = Object.create(AjaxError.prototype);
return AjaxTimeoutErrorImpl;
})() as any;

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/**
* Gets what should be in the `response` property of the XHR. However,
* since we still support the final versions of IE, we need to do a little
* checking here to make sure that we get the right thing back. Consequently,
* we need to do a JSON.parse() in here, which *could* throw if the response
* isn't valid JSON.
*
* This is used both in creating an AjaxResponse, and in creating certain errors
* that we throw, so we can give the user whatever was in the response property.
*
* @param xhr The XHR to examine the response of
*/
export function getXHRResponse(xhr: XMLHttpRequest) {
switch (xhr.responseType) {
case 'json': {
if ('response' in xhr) {
return xhr.response;
} else {
// IE
const ieXHR: any = xhr;
return JSON.parse(ieXHR.responseText);
}
}
case 'document':
return xhr.responseXML;
case 'text':
default: {
if ('response' in xhr) {
return xhr.response;
} else {
// IE
const ieXHR: any = xhr;
return ieXHR.responseText;
}
}
}
}

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import { PartialObserver } from '../types';
/**
* Valid Ajax direction types. Prefixes the event `type` in the
* {@link AjaxResponse} object with "upload_" for events related
* to uploading and "download_" for events related to downloading.
*/
export type AjaxDirection = 'upload' | 'download';
export type ProgressEventType = 'loadstart' | 'progress' | 'load';
export type AjaxResponseType = `${AjaxDirection}_${ProgressEventType}`;
/**
* The object containing values RxJS used to make the HTTP request.
*
* This is provided in {@link AjaxError} instances as the `request`
* object.
*/
export interface AjaxRequest {
/**
* The URL requested.
*/
url: string;
/**
* The body to send over the HTTP request.
*/
body?: any;
/**
* The HTTP method used to make the HTTP request.
*/
method: string;
/**
* Whether or not the request was made asynchronously.
*/
async: boolean;
/**
* The headers sent over the HTTP request.
*/
headers: Readonly<Record<string, any>>;
/**
* The timeout value used for the HTTP request.
* Note: this is only honored if the request is asynchronous (`async` is `true`).
*/
timeout: number;
/**
* The user credentials user name sent with the HTTP request.
*/
user?: string;
/**
* The user credentials password sent with the HTTP request.
*/
password?: string;
/**
* Whether or not the request was a CORS request.
*/
crossDomain: boolean;
/**
* Whether or not a CORS request was sent with credentials.
* If `false`, will also ignore cookies in the CORS response.
*/
withCredentials: boolean;
/**
* The [`responseType`](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/responseType) set before sending the request.
*/
responseType: XMLHttpRequestResponseType;
}
/**
* Configuration for the {@link ajax} creation function.
*/
export interface AjaxConfig {
/** The address of the resource to request via HTTP. */
url: string;
/**
* The body of the HTTP request to send.
*
* This is serialized, by default, based off of the value of the `"content-type"` header.
* For example, if the `"content-type"` is `"application/json"`, the body will be serialized
* as JSON. If the `"content-type"` is `"application/x-www-form-urlencoded"`, whatever object passed
* to the body will be serialized as URL, using key-value pairs based off of the keys and values of the object.
* In all other cases, the body will be passed directly.
*/
body?: any;
/**
* Whether or not to send the request asynchronously. Defaults to `true`.
* If set to `false`, this will block the thread until the AJAX request responds.
*/
async?: boolean;
/**
* The HTTP Method to use for the request. Defaults to "GET".
*/
method?: string;
/**
* The HTTP headers to apply.
*
* Note that, by default, RxJS will add the following headers under certain conditions:
*
* 1. If the `"content-type"` header is **NOT** set, and the `body` is [`FormData`](https://developer.mozilla.org/en-US/docs/Web/API/FormData),
* a `"content-type"` of `"application/x-www-form-urlencoded; charset=UTF-8"` will be set automatically.
* 2. If the `"x-requested-with"` header is **NOT** set, and the `crossDomain` configuration property is **NOT** explicitly set to `true`,
* (meaning it is not a CORS request), a `"x-requested-with"` header with a value of `"XMLHttpRequest"` will be set automatically.
* This header is generally meaningless, and is set by libraries and frameworks using `XMLHttpRequest` to make HTTP requests.
*/
headers?: Readonly<Record<string, any>>;
/**
* The time to wait before causing the underlying XMLHttpRequest to timeout. This is only honored if the
* `async` configuration setting is unset or set to `true`. Defaults to `0`, which is idiomatic for "never timeout".
*/
timeout?: number;
/** The user credentials user name to send with the HTTP request */
user?: string;
/** The user credentials password to send with the HTTP request*/
password?: string;
/**
* Whether or not to send the HTTP request as a CORS request.
* Defaults to `false`.
*
* @deprecated Will be removed in version 8. Cross domain requests and what creates a cross
* domain request, are dictated by the browser, and a boolean that forces it to be cross domain
* does not make sense. If you need to force cross domain, make sure you're making a secure request,
* then add a custom header to the request or use `withCredentials`. For more information on what
* triggers a cross domain request, see the [MDN documentation](https://developer.mozilla.org/en-US/docs/Web/HTTP/Access_control_CORS#Requests_with_credentials).
* In particular, the section on [Simple Requests](https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS#Simple_requests) is useful
* for understanding when CORS will not be used.
*/
crossDomain?: boolean;
/**
* To send user credentials in a CORS request, set to `true`. To exclude user credentials from
* a CORS request, _OR_ when cookies are to be ignored by the CORS response, set to `false`.
*
* Defaults to `false`.
*/
withCredentials?: boolean;
/**
* The name of your site's XSRF cookie.
*/
xsrfCookieName?: string;
/**
* The name of a custom header that you can use to send your XSRF cookie.
*/
xsrfHeaderName?: string;
/**
* Can be set to change the response type.
* Valid values are `"arraybuffer"`, `"blob"`, `"document"`, `"json"`, and `"text"`.
* Note that the type of `"document"` (such as an XML document) is ignored if the global context is
* not `Window`.
*
* Defaults to `"json"`.
*/
responseType?: XMLHttpRequestResponseType;
/**
* An optional factory used to create the XMLHttpRequest object used to make the AJAX request.
* This is useful in environments that lack `XMLHttpRequest`, or in situations where you
* wish to override the default `XMLHttpRequest` for some reason.
*
* If not provided, the `XMLHttpRequest` in global scope will be used.
*
* NOTE: This AJAX implementation relies on the built-in serialization and setting
* of Content-Type headers that is provided by standards-compliant XMLHttpRequest implementations,
* be sure any implementation you use meets that standard.
*/
createXHR?: () => XMLHttpRequest;
/**
* An observer for watching the upload progress of an HTTP request. Will
* emit progress events, and completes on the final upload load event, will error for
* any XHR error or timeout.
*
* This will **not** error for errored status codes. Rather, it will always _complete_ when
* the HTTP response comes back.
*
* @deprecated If you're looking for progress events, use {@link includeDownloadProgress} and
* {@link includeUploadProgress} instead. Will be removed in v8.
*/
progressSubscriber?: PartialObserver<ProgressEvent>;
/**
* If `true`, will emit all download progress and load complete events as {@link AjaxResponse}
* from the observable. The final download event will also be emitted as a {@link AjaxResponse}.
*
* If both this and {@link includeUploadProgress} are `false`, then only the {@link AjaxResponse} will
* be emitted from the resulting observable.
*/
includeDownloadProgress?: boolean;
/**
* If `true`, will emit all upload progress and load complete events as {@link AjaxResponse}
* from the observable. The final download event will also be emitted as a {@link AjaxResponse}.
*
* If both this and {@link includeDownloadProgress} are `false`, then only the {@link AjaxResponse} will
* be emitted from the resulting observable.
*/
includeUploadProgress?: boolean;
/**
* Query string parameters to add to the URL in the request.
* <em>This will require a polyfill for `URL` and `URLSearchParams` in Internet Explorer!</em>
*
* Accepts either a query string, a `URLSearchParams` object, a dictionary of key/value pairs, or an
* array of key/value entry tuples. (Essentially, it takes anything that `new URLSearchParams` would normally take).
*
* If, for some reason you have a query string in the `url` argument, this will append to the query string in the url,
* but it will also overwrite the value of any keys that are an exact match. In other words, a url of `/test?a=1&b=2`,
* with queryParams of `{ b: 5, c: 6 }` will result in a url of roughly `/test?a=1&b=5&c=6`.
*/
queryParams?:
| string
| URLSearchParams
| Record<string, string | number | boolean | string[] | number[] | boolean[]>
| [string, string | number | boolean | string[] | number[] | boolean[]][];
}