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import { AjaxRequest } from './types';
import { getXHRResponse } from './getXHRResponse';
import { createErrorClass } from '../util/createErrorClass';
/**
* A normalized AJAX error.
*
* @see {@link ajax}
*
* @class AjaxError
*/
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.
*
* @class AjaxError
* @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.
*
* @class AjaxTimeoutError
* @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;