/**
 * @license
 * Copyright Google LLC 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 { ResourceLoader } from '@angular/compiler';
import { Injectable } from '@angular/core';
import * as i0 from "@angular/core";
export class ResourceLoaderImpl extends ResourceLoader {
    get(url) {
        let resolve;
        let reject;
        const promise = new Promise((res, rej) => {
            resolve = res;
            reject = rej;
        });
        const xhr = new XMLHttpRequest();
        xhr.open('GET', url, true);
        xhr.responseType = 'text';
        xhr.onload = function () {
            const response = xhr.response;
            let status = xhr.status;
            // fix status code when it is 0 (0 status is undocumented).
            // Occurs when accessing file resources or on Android 4.1 stock browser
            // while retrieving files from application cache.
            if (status === 0) {
                status = response ? 200 : 0;
            }
            if (200 <= status && status <= 300) {
                resolve(response);
            }
            else {
                reject(`Failed to load ${url}`);
            }
        };
        xhr.onerror = function () {
            reject(`Failed to load ${url}`);
        };
        xhr.send();
        return promise;
    }
    static { this.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: ResourceLoaderImpl, deps: null, target: i0.ɵɵFactoryTarget.Injectable }); }
    static { this.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: ResourceLoaderImpl }); }
}
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "16.2.12", ngImport: i0, type: ResourceLoaderImpl, decorators: [{
            type: Injectable
        }] });
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