ng2-interceptors/lib/interceptor-provider.js

Angular2 interceptor service implementation

"use strict";
var http_1 = require("@angular/http");
var interceptor_service_1 = require("./interceptor-service");
function provideInterceptorService(interceptors) {
    var deps = [
        http_1.XHRBackend,
        http_1.RequestOptions
    ];
    interceptors = interceptors.map(function (interceptor) {
        if (typeof interceptor == "function") {
            deps.push(interceptor);
            return {
                useValue: false,
                index: deps.length - 1
            };
        }
        else {
            return {
                useValue: interceptor
            };
        }
    });
    return {
        provide: interceptor_service_1.InterceptorService,
        useFactory: function () {
            var injectedServices = arguments;
            var xhrBackend = injectedServices[0];
            var requestOptions = injectedServices[1];
            var service = new interceptor_service_1.InterceptorService(xhrBackend, requestOptions);
            interceptors.forEach(function (interceptor) {
                if (interceptor.useValue) {
                    service.addInterceptor(interceptor.useValue);
                }
                else {
                    var value = injectedServices[interceptor.index];
                    service.addInterceptor(value);
                }
            });
            return service;
        },
        deps: deps,
        multi: false
    };
}
exports.provideInterceptorService = provideInterceptorService;
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