/**
 * @license
 * Copyright Google Inc. All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { __decorate, __metadata, __param } from "tslib";
import { DOCUMENT } from '@angular/common';
import { Inject, Injectable } from '@angular/core';
import { Observable } from 'rxjs';
import { HttpErrorResponse, HttpEventType, HttpResponse } from './response';
// Every request made through JSONP needs a callback name that's unique across the
// whole page. Each request is assigned an id and the callback name is constructed
// from that. The next id to be assigned is tracked in a global variable here that
// is shared among all applications on the page.
var nextRequestId = 0;
// Error text given when a JSONP script is injected, but doesn't invoke the callback
// passed in its URL.
export var JSONP_ERR_NO_CALLBACK = 'JSONP injected script did not invoke callback.';
// Error text given when a request is passed to the JsonpClientBackend that doesn't
// have a request method JSONP.
export var JSONP_ERR_WRONG_METHOD = 'JSONP requests must use JSONP request method.';
export var JSONP_ERR_WRONG_RESPONSE_TYPE = 'JSONP requests must use Json response type.';
/**
 * DI token/abstract type representing a map of JSONP callbacks.
 *
 * In the browser, this should always be the `window` object.
 *
 *
 */
var JsonpCallbackContext = /** @class */ (function () {
    function JsonpCallbackContext() {
    }
    return JsonpCallbackContext;
}());
export { JsonpCallbackContext };
/**
 * Processes an `HttpRequest` with the JSONP method,
 * by performing JSONP style requests.
 * @see `HttpHandler`
 * @see `HttpXhrBackend`
 *
 * @publicApi
 */
var JsonpClientBackend = /** @class */ (function () {
    function JsonpClientBackend(callbackMap, document) {
        this.callbackMap = callbackMap;
        this.document = document;
    }
    /**
     * Get the name of the next callback method, by incrementing the global `nextRequestId`.
     */
    JsonpClientBackend.prototype.nextCallback = function () { return "ng_jsonp_callback_" + nextRequestId++; };
    /**
     * Processes a JSONP request and returns an event stream of the results.
     * @param req The request object.
     * @returns An observable of the response events.
     *
     */
    JsonpClientBackend.prototype.handle = function (req) {
        var _this = this;
        // Firstly, check both the method and response type. If either doesn't match
        // then the request was improperly routed here and cannot be handled.
        if (req.method !== 'JSONP') {
            throw new Error(JSONP_ERR_WRONG_METHOD);
        }
        else if (req.responseType !== 'json') {
            throw new Error(JSONP_ERR_WRONG_RESPONSE_TYPE);
        }
        // Everything else happens inside the Observable boundary.
        return new Observable(function (observer) {
            // The first step to make a request is to generate the callback name, and replace the
            // callback placeholder in the URL with the name. Care has to be taken here to ensure
            // a trailing &, if matched, gets inserted back into the URL in the correct place.
            var callback = _this.nextCallback();
            var url = req.urlWithParams.replace(/=JSONP_CALLBACK(&|$)/, "=" + callback + "$1");
            // Construct the <script> tag and point it at the URL.
            var node = _this.document.createElement('script');
            node.src = url;
            // A JSONP request requires waiting for multiple callbacks. These variables
            // are closed over and track state across those callbacks.
            // The response object, if one has been received, or null otherwise.
            var body = null;
            // Whether the response callback has been called.
            var finished = false;
            // Whether the request has been cancelled (and thus any other callbacks)
            // should be ignored.
            var cancelled = false;
            // Set the response callback in this.callbackMap (which will be the window
            // object in the browser. The script being loaded via the <script> tag will
            // eventually call this callback.
            _this.callbackMap[callback] = function (data) {
                // Data has been received from the JSONP script. Firstly, delete this callback.
                delete _this.callbackMap[callback];
                // Next, make sure the request wasn't cancelled in the meantime.
                if (cancelled) {
                    return;
                }
                // Set state to indicate data was received.
                body = data;
                finished = true;
            };
            // cleanup() is a utility closure that removes the <script> from the page and
            // the response callback from the window. This logic is used in both the
            // success, error, and cancellation paths, so it's extracted out for convenience.
            var cleanup = function () {
                // Remove the <script> tag if it's still on the page.
                if (node.parentNode) {
                    node.parentNode.removeChild(node);
                }
                // Remove the response callback from the callbackMap (window object in the
                // browser).
                delete _this.callbackMap[callback];
            };
            // onLoad() is the success callback which runs after the response callback
            // if the JSONP script loads successfully. The event itself is unimportant.
            // If something went wrong, onLoad() may run without the response callback
            // having been invoked.
            var onLoad = function (event) {
                // Do nothing if the request has been cancelled.
                if (cancelled) {
                    return;
                }
                // Cleanup the page.
                cleanup();
                // Check whether the response callback has run.
                if (!finished) {
                    // It hasn't, something went wrong with the request. Return an error via
                    // the Observable error path. All JSONP errors have status 0.
                    observer.error(new HttpErrorResponse({
                        url: url,
                        status: 0,
                        statusText: 'JSONP Error',
                        error: new Error(JSONP_ERR_NO_CALLBACK),
                    }));
                    return;
                }
                // Success. body either contains the response body or null if none was
                // returned.
                observer.next(new HttpResponse({
                    body: body,
                    status: 200,
                    statusText: 'OK', url: url,
                }));
                // Complete the stream, the response is over.
                observer.complete();
            };
            // onError() is the error callback, which runs if the script returned generates
            // a Javascript error. It emits the error via the Observable error channel as
            // a HttpErrorResponse.
            var onError = function (error) {
                // If the request was already cancelled, no need to emit anything.
                if (cancelled) {
                    return;
                }
                cleanup();
                // Wrap the error in a HttpErrorResponse.
                observer.error(new HttpErrorResponse({
                    error: error,
                    status: 0,
                    statusText: 'JSONP Error', url: url,
                }));
            };
            // Subscribe to both the success (load) and error events on the <script> tag,
            // and add it to the page.
            node.addEventListener('load', onLoad);
            node.addEventListener('error', onError);
            _this.document.body.appendChild(node);
            // The request has now been successfully sent.
            observer.next({ type: HttpEventType.Sent });
            // Cancellation handler.
            return function () {
                // Track the cancellation so event listeners won't do anything even if already scheduled.
                cancelled = true;
                // Remove the event listeners so they won't run if the events later fire.
                node.removeEventListener('load', onLoad);
                node.removeEventListener('error', onError);
                // And finally, clean up the page.
                cleanup();
            };
        });
    };
    JsonpClientBackend = __decorate([
        Injectable(),
        __param(1, Inject(DOCUMENT)),
        __metadata("design:paramtypes", [JsonpCallbackContext, Object])
    ], JsonpClientBackend);
    return JsonpClientBackend;
}());
export { JsonpClientBackend };
/**
 * Identifies requests with the method JSONP and
 * shifts them to the `JsonpClientBackend`.
 *
 * @see `HttpInterceptor`
 *
 * @publicApi
 */
var JsonpInterceptor = /** @class */ (function () {
    function JsonpInterceptor(jsonp) {
        this.jsonp = jsonp;
    }
    /**
     * Identifies and handles a given JSONP request.
     * @param req The outgoing request object to handle.
     * @param next The next interceptor in the chain, or the backend
     * if no interceptors remain in the chain.
     * @returns An observable of the event stream.
     */
    JsonpInterceptor.prototype.intercept = function (req, next) {
        if (req.method === 'JSONP') {
            return this.jsonp.handle(req);
        }
        // Fall through for normal HTTP requests.
        return next.handle(req);
    };
    JsonpInterceptor = __decorate([
        Injectable(),
        __metadata("design:paramtypes", [JsonpClientBackend])
    ], JsonpInterceptor);
    return JsonpInterceptor;
}());
export { JsonpInterceptor };
//# sourceMappingURL=data:application/json;base64,{"version":3,"file":"jsonp.js","sourceRoot":"","sources":["../../../../../../../../../../../packages/common/http/src/jsonp.ts"],"names":[],"mappings":"AAAA;;;;;;GAMG;;AAEH,OAAO,EAAC,QAAQ,EAAC,MAAM,iBAAiB,CAAC;AACzC,OAAO,EAAC,MAAM,EAAE,UAAU,EAAC,MAAM,eAAe,CAAC;AACjD,OAAO,EAAC,UAAU,EAAW,MAAM,MAAM,CAAC;AAI1C,OAAO,EAAC,iBAAiB,EAAa,aAAa,EAAE,YAAY,EAAC,MAAM,YAAY,CAAC;AAErF,kFAAkF;AAClF,kFAAkF;AAClF,kFAAkF;AAClF,gDAAgD;AAChD,IAAI,aAAa,GAAW,CAAC,CAAC;AAE9B,oFAAoF;AACpF,qBAAqB;AACrB,MAAM,CAAC,IAAM,qBAAqB,GAAG,gDAAgD,CAAC;AAEtF,mFAAmF;AACnF,+BAA+B;AAC/B,MAAM,CAAC,IAAM,sBAAsB,GAAG,+CAA+C,CAAC;AACtF,MAAM,CAAC,IAAM,6BAA6B,GAAG,6CAA6C,CAAC;AAE3F;;;;;;GAMG;AACH;IAAA;IAAiF,CAAC;IAAD,2BAAC;AAAD,CAAC,AAAlF,IAAkF;;AAElF;;;;;;;GAOG;AAEH;IACE,4BAAoB,WAAiC,EAA4B,QAAa;QAA1E,gBAAW,GAAX,WAAW,CAAsB;QAA4B,aAAQ,GAAR,QAAQ,CAAK;IAAG,CAAC;IAElG;;OAEG;IACK,yCAAY,GAApB,cAAiC,OAAO,uBAAqB,aAAa,EAAI,CAAC,CAAC,CAAC;IAEjF;;;;;OAKG;IACH,mCAAM,GAAN,UAAO,GAAuB;QAA9B,iBA+IC;QA9IC,4EAA4E;QAC5E,qEAAqE;QACrE,IAAI,GAAG,CAAC,MAAM,KAAK,OAAO,EAAE;YAC1B,MAAM,IAAI,KAAK,CAAC,sBAAsB,CAAC,CAAC;SACzC;aAAM,IAAI,GAAG,CAAC,YAAY,KAAK,MAAM,EAAE;YACtC,MAAM,IAAI,KAAK,CAAC,6BAA6B,CAAC,CAAC;SAChD;QAED,0DAA0D;QAC1D,OAAO,IAAI,UAAU,CAAiB,UAAC,QAAkC;YACvE,qFAAqF;YACrF,qFAAqF;YACrF,kFAAkF;YAClF,IAAM,QAAQ,GAAG,KAAI,CAAC,YAAY,EAAE,CAAC;YACrC,IAAM,GAAG,GAAG,GAAG,CAAC,aAAa,CAAC,OAAO,CAAC,sBAAsB,EAAE,MAAI,QAAQ,OAAI,CAAC,CAAC;YAEhF,sDAAsD;YACtD,IAAM,IAAI,GAAG,KAAI,CAAC,QAAQ,CAAC,aAAa,CAAC,QAAQ,CAAC,CAAC;YACnD,IAAI,CAAC,GAAG,GAAG,GAAG,CAAC;YAEf,2EAA2E;YAC3E,0DAA0D;YAE1D,oEAAoE;YACpE,IAAI,IAAI,GAAa,IAAI,CAAC;YAE1B,iDAAiD;YACjD,IAAI,QAAQ,GAAY,KAAK,CAAC;YAE9B,wEAAwE;YACxE,qBAAqB;YACrB,IAAI,SAAS,GAAY,KAAK,CAAC;YAE/B,0EAA0E;YAC1E,2EAA2E;YAC3E,iCAAiC;YACjC,KAAI,CAAC,WAAW,CAAC,QAAQ,CAAC,GAAG,UAAC,IAAU;gBACtC,+EAA+E;gBAC/E,OAAO,KAAI,CAAC,WAAW,CAAC,QAAQ,CAAC,CAAC;gBAElC,gEAAgE;gBAChE,IAAI,SAAS,EAAE;oBACb,OAAO;iBACR;gBAED,2CAA2C;gBAC3C,IAAI,GAAG,IAAI,CAAC;gBACZ,QAAQ,GAAG,IAAI,CAAC;YAClB,CAAC,CAAC;YAEF,6EAA6E;YAC7E,wEAAwE;YACxE,iFAAiF;YACjF,IAAM,OAAO,GAAG;gBACd,qDAAqD;gBACrD,IAAI,IAAI,CAAC,UAAU,EAAE;oBACnB,IAAI,CAAC,UAAU,CAAC,WAAW,CAAC,IAAI,CAAC,CAAC;iBACnC;gBAED,0EAA0E;gBAC1E,YAAY;gBACZ,OAAO,KAAI,CAAC,WAAW,CAAC,QAAQ,CAAC,CAAC;YACpC,CAAC,CAAC;YAEF,0EAA0E;YAC1E,2EAA2E;YAC3E,0EAA0E;YAC1E,uBAAuB;YACvB,IAAM,MAAM,GAAG,UAAC,KAAY;gBAC1B,gDAAgD;gBAChD,IAAI,SAAS,EAAE;oBACb,OAAO;iBACR;gBAED,oBAAoB;gBACpB,OAAO,EAAE,CAAC;gBAEV,+CAA+C;gBAC/C,IAAI,CAAC,QAAQ,EAAE;oBACb,wEAAwE;oBACxE,6DAA6D;oBAC7D,QAAQ,CAAC,KAAK,CAAC,IAAI,iBAAiB,CAAC;wBACnC,GAAG,KAAA;wBACH,MAAM,EAAE,CAAC;wBACT,UAAU,EAAE,aAAa;wBACzB,KAAK,EAAE,IAAI,KAAK,CAAC,qBAAqB,CAAC;qBACxC,CAAC,CAAC,CAAC;oBACJ,OAAO;iBACR;gBAED,sEAAsE;gBACtE,YAAY;gBACZ,QAAQ,CAAC,IAAI,CAAC,IAAI,YAAY,CAAC;oBAC7B,IAAI,MAAA;oBACJ,MAAM,EAAE,GAAG;oBACX,UAAU,EAAE,IAAI,EAAE,GAAG,KAAA;iBACtB,CAAC,CAAC,CAAC;gBAEJ,6CAA6C;gBAC7C,QAAQ,CAAC,QAAQ,EAAE,CAAC;YACtB,CAAC,CAAC;YAEF,+EAA+E;YAC/E,6EAA6E;YAC7E,uBAAuB;YACvB,IAAM,OAAO,GAAQ,UAAC,KAAY;gBAChC,kEAAkE;gBAClE,IAAI,SAAS,EAAE;oBACb,OAAO;iBACR;gBACD,OAAO,EAAE,CAAC;gBAEV,yCAAyC;gBACzC,QAAQ,CAAC,KAAK,CAAC,IAAI,iBAAiB,CAAC;oBACnC,KAAK,OAAA;oBACL,MAAM,EAAE,CAAC;oBACT,UAAU,EAAE,aAAa,EAAE,GAAG,KAAA;iBAC/B,CAAC,CAAC,CAAC;YACN,CAAC,CAAC;YAEF,6EAA6E;YAC7E,0BAA0B;YAC1B,IAAI,CAAC,gBAAgB,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC;YACtC,IAAI,CAAC,gBAAgB,CAAC,OAAO,EAAE,OAAO,CAAC,CAAC;YACxC,KAAI,CAAC,QAAQ,CAAC,IAAI,CAAC,WAAW,CAAC,IAAI,CAAC,CAAC;YAErC,8CAA8C;YAC9C,QAAQ,CAAC,IAAI,CAAC,EAAC,IAAI,EAAE,aAAa,CAAC,IAAI,EAAC,CAAC,CAAC;YAE1C,wBAAwB;YACxB,OAAO;gBACL,yFAAyF;gBACzF,SAAS,GAAG,IAAI,CAAC;gBAEjB,yEAAyE;gBACzE,IAAI,CAAC,mBAAmB,CAAC,MAAM,EAAE,MAAM,CAAC,CAAC;gBACzC,IAAI,CAAC,mBAAmB,CAAC,OAAO,EAAE,OAAO,CAAC,CAAC;gBAE3C,kCAAkC;gBAClC,OAAO,EAAE,CAAC;YACZ,CAAC,CAAC;QACJ,CAAC,CAAC,CAAC;IACL,CAAC;IA7JU,kBAAkB;QAD9B,UAAU,EAAE;QAE6C,WAAA,MAAM,CAAC,QAAQ,CAAC,CAAA;yCAAvC,oBAAoB;OAD1C,kBAAkB,CA8J9B;IAAD,yBAAC;CAAA,AA9JD,IA8JC;SA9JY,kBAAkB;AAgK/B;;;;;;;GAOG;AAEH;IACE,0BAAoB,KAAyB;QAAzB,UAAK,GAAL,KAAK,CAAoB;IAAG,CAAC;IAEjD;;;;;;OAMG;IACH,oCAAS,GAAT,UAAU,GAAqB,EAAE,IAAiB;QAChD,IAAI,GAAG,CAAC,MAAM,KAAK,OAAO,EAAE;YAC1B,OAAO,IAAI,CAAC,KAAK,CAAC,MAAM,CAAC,GAAyB,CAAC,CAAC;SACrD;QACD,yCAAyC;QACzC,OAAO,IAAI,CAAC,MAAM,CAAC,GAAG,CAAC,CAAC;IAC1B,CAAC;IAhBU,gBAAgB;QAD5B,UAAU,EAAE;yCAEgB,kBAAkB;OADlC,gBAAgB,CAiB5B;IAAD,uBAAC;CAAA,AAjBD,IAiBC;SAjBY,gBAAgB","sourcesContent":["/**\n * @license\n * Copyright Google Inc. All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nimport {DOCUMENT} from '@angular/common';\nimport {Inject, Injectable} from '@angular/core';\nimport {Observable, Observer} from 'rxjs';\n\nimport {HttpBackend, HttpHandler} from './backend';\nimport {HttpRequest} from './request';\nimport {HttpErrorResponse, HttpEvent, HttpEventType, HttpResponse} from './response';\n\n// Every request made through JSONP needs a callback name that's unique across the\n// whole page. Each request is assigned an id and the callback name is constructed\n// from that. The next id to be assigned is tracked in a global variable here that\n// is shared among all applications on the page.\nlet nextRequestId: number = 0;\n\n// Error text given when a JSONP script is injected, but doesn't invoke the callback\n// passed in its URL.\nexport const JSONP_ERR_NO_CALLBACK = 'JSONP injected script did not invoke callback.';\n\n// Error text given when a request is passed to the JsonpClientBackend that doesn't\n// have a request method JSONP.\nexport const JSONP_ERR_WRONG_METHOD = 'JSONP requests must use JSONP request method.';\nexport const JSONP_ERR_WRONG_RESPONSE_TYPE = 'JSONP requests must use Json response type.';\n\n/**\n * DI token/abstract type representing a map of JSONP callbacks.\n *\n * In the browser, this should always be the `window` object.\n *\n *\n */\nexport abstract class JsonpCallbackContext { [key: string]: (data: any) => void; }\n\n/**\n * Processes an `HttpRequest` with the JSONP method,\n * by performing JSONP style requests.\n * @see `HttpHandler`\n * @see `HttpXhrBackend`\n *\n * @publicApi\n */\n@Injectable()\nexport class JsonpClientBackend implements HttpBackend {\n  constructor(private callbackMap: JsonpCallbackContext, @Inject(DOCUMENT) private document: any) {}\n\n  /**\n   * Get the name of the next callback method, by incrementing the global `nextRequestId`.\n   */\n  private nextCallback(): string { return `ng_jsonp_callback_${nextRequestId++}`; }\n\n  /**\n   * Processes a JSONP request and returns an event stream of the results.\n   * @param req The request object.\n   * @returns An observable of the response events.\n   *\n   */\n  handle(req: HttpRequest<never>): Observable<HttpEvent<any>> {\n    // Firstly, check both the method and response type. If either doesn't match\n    // then the request was improperly routed here and cannot be handled.\n    if (req.method !== 'JSONP') {\n      throw new Error(JSONP_ERR_WRONG_METHOD);\n    } else if (req.responseType !== 'json') {\n      throw new Error(JSONP_ERR_WRONG_RESPONSE_TYPE);\n    }\n\n    // Everything else happens inside the Observable boundary.\n    return new Observable<HttpEvent<any>>((observer: Observer<HttpEvent<any>>) => {\n      // The first step to make a request is to generate the callback name, and replace the\n      // callback placeholder in the URL with the name. Care has to be taken here to ensure\n      // a trailing &, if matched, gets inserted back into the URL in the correct place.\n      const callback = this.nextCallback();\n      const url = req.urlWithParams.replace(/=JSONP_CALLBACK(&|$)/, `=${callback}$1`);\n\n      // Construct the <script> tag and point it at the URL.\n      const node = this.document.createElement('script');\n      node.src = url;\n\n      // A JSONP request requires waiting for multiple callbacks. These variables\n      // are closed over and track state across those callbacks.\n\n      // The response object, if one has been received, or null otherwise.\n      let body: any|null = null;\n\n      // Whether the response callback has been called.\n      let finished: boolean = false;\n\n      // Whether the request has been cancelled (and thus any other callbacks)\n      // should be ignored.\n      let cancelled: boolean = false;\n\n      // Set the response callback in this.callbackMap (which will be the window\n      // object in the browser. The script being loaded via the <script> tag will\n      // eventually call this callback.\n      this.callbackMap[callback] = (data?: any) => {\n        // Data has been received from the JSONP script. Firstly, delete this callback.\n        delete this.callbackMap[callback];\n\n        // Next, make sure the request wasn't cancelled in the meantime.\n        if (cancelled) {\n          return;\n        }\n\n        // Set state to indicate data was received.\n        body = data;\n        finished = true;\n      };\n\n      // cleanup() is a utility closure that removes the <script> from the page and\n      // the response callback from the window. This logic is used in both the\n      // success, error, and cancellation paths, so it's extracted out for convenience.\n      const cleanup = () => {\n        // Remove the <script> tag if it's still on the page.\n        if (node.parentNode) {\n          node.parentNode.removeChild(node);\n        }\n\n        // Remove the response callback from the callbackMap (window object in the\n        // browser).\n        delete this.callbackMap[callback];\n      };\n\n      // onLoad() is the success callback which runs after the response callback\n      // if the JSONP script loads successfully. The event itself is unimportant.\n      // If something went wrong, onLoad() may run without the response callback\n      // having been invoked.\n      const onLoad = (event: Event) => {\n        // Do nothing if the request has been cancelled.\n        if (cancelled) {\n          return;\n        }\n\n        // Cleanup the page.\n        cleanup();\n\n        // Check whether the response callback has run.\n        if (!finished) {\n          // It hasn't, something went wrong with the request. Return an error via\n          // the Observable error path. All JSONP errors have status 0.\n          observer.error(new HttpErrorResponse({\n            url,\n            status: 0,\n            statusText: 'JSONP Error',\n            error: new Error(JSONP_ERR_NO_CALLBACK),\n          }));\n          return;\n        }\n\n        // Success. body either contains the response body or null if none was\n        // returned.\n        observer.next(new HttpResponse({\n          body,\n          status: 200,\n          statusText: 'OK', url,\n        }));\n\n        // Complete the stream, the response is over.\n        observer.complete();\n      };\n\n      // onError() is the error callback, which runs if the script returned generates\n      // a Javascript error. It emits the error via the Observable error channel as\n      // a HttpErrorResponse.\n      const onError: any = (error: Error) => {\n        // If the request was already cancelled, no need to emit anything.\n        if (cancelled) {\n          return;\n        }\n        cleanup();\n\n        // Wrap the error in a HttpErrorResponse.\n        observer.error(new HttpErrorResponse({\n          error,\n          status: 0,\n          statusText: 'JSONP Error', url,\n        }));\n      };\n\n      // Subscribe to both the success (load) and error events on the <script> tag,\n      // and add it to the page.\n      node.addEventListener('load', onLoad);\n      node.addEventListener('error', onError);\n      this.document.body.appendChild(node);\n\n      // The request has now been successfully sent.\n      observer.next({type: HttpEventType.Sent});\n\n      // Cancellation handler.\n      return () => {\n        // Track the cancellation so event listeners won't do anything even if already scheduled.\n        cancelled = true;\n\n        // Remove the event listeners so they won't run if the events later fire.\n        node.removeEventListener('load', onLoad);\n        node.removeEventListener('error', onError);\n\n        // And finally, clean up the page.\n        cleanup();\n      };\n    });\n  }\n}\n\n/**\n * Identifies requests with the method JSONP and\n * shifts them to the `JsonpClientBackend`.\n *\n * @see `HttpInterceptor`\n *\n * @publicApi\n */\n@Injectable()\nexport class JsonpInterceptor {\n  constructor(private jsonp: JsonpClientBackend) {}\n\n  /**\n   * Identifies and handles a given JSONP request.\n   * @param req The outgoing request object to handle.\n   * @param next The next interceptor in the chain, or the backend\n   * if no interceptors remain in the chain.\n   * @returns An observable of the event stream.\n   */\n  intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {\n    if (req.method === 'JSONP') {\n      return this.jsonp.handle(req as HttpRequest<never>);\n    }\n    // Fall through for normal HTTP requests.\n    return next.handle(req);\n  }\n}\n"]}