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import { AjaxObservable, AjaxCreationMethod } from './AjaxObservable'; /** * 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. * * * ## Using ajax() to fetch the response object that is being returned from API. * ```ts * import { ajax } from 'rxjs/ajax'; * import { map, catchError } from 'rxjs/operators'; * import { 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); * }) * ); * * ``` * * ## Using ajax.getJSON() to fetch data from API. * ```ts * import { ajax } from 'rxjs/ajax'; * import { map, catchError } from 'rxjs/operators'; * import { 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); * }) * ); * * ``` * * ## Using ajax() with object as argument and method POST with a two seconds delay. * ```ts * import { ajax } from 'rxjs/ajax'; * import { 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); * }) * ); * * ``` * * ## Using ajax() to fetch. An error object that is being returned from the request. * ```ts * import { ajax } from 'rxjs/ajax'; * import { map, catchError } from 'rxjs/operators'; * import { 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); * }) * ); * * ``` */ export const ajax: AjaxCreationMethod = (() => AjaxObservable.create)();