angular2
Version:
Angular 2 - a web framework for modern web apps
75 lines • 9.46 kB
JavaScript
;"use strict";
var headers_1 = require('./headers');
var http_utils_1 = require('./http_utils');
var lang_1 = require('angular2/src/facade/lang');
// TODO(jeffbcross): properly implement body accessors
/**
* Creates `Request` instances from provided values.
*
* The Request's interface is inspired by the Request constructor defined in the [Fetch
* Spec](https://fetch.spec.whatwg.org/#request-class),
* but is considered a static value whose body can be accessed many times. There are other
* differences in the implementation, but this is the most significant.
*
* `Request` instances are typically created by higher-level classes, like {@link Http} and
* {@link Jsonp}, but it may occasionally be useful to explicitly create `Request` instances.
* One such example is when creating services that wrap higher-level services, like {@link Http},
* where it may be useful to generate a `Request` with arbitrary headers and search params.
*
* ```typescript
* import {Injectable, Injector} from 'angular2/core';
* import {HTTP_PROVIDERS, Http, Request, RequestMethod} from 'angular2/http';
*
* @Injectable()
* class AutoAuthenticator {
* constructor(public http:Http) {}
* request(url:string) {
* return this.http.request(new Request({
* method: RequestMethod.Get,
* url: url,
* search: 'password=123'
* }));
* }
* }
*
* var injector = Injector.resolveAndCreate([HTTP_PROVIDERS, AutoAuthenticator]);
* var authenticator = injector.get(AutoAuthenticator);
* authenticator.request('people.json').subscribe(res => {
* //URL should have included '?password=123'
* console.log('people', res.json());
* });
* ```
*/
var Request = (function () {
function Request(requestOptions) {
// TODO: assert that url is present
var url = requestOptions.url;
this.url = requestOptions.url;
if (lang_1.isPresent(requestOptions.search)) {
var search = requestOptions.search.toString();
if (search.length > 0) {
var prefix = '?';
if (lang_1.StringWrapper.contains(this.url, '?')) {
prefix = (this.url[this.url.length - 1] == '&') ? '' : '&';
}
// TODO: just delete search-query-looking string in url?
this.url = url + prefix + search;
}
}
this._body = requestOptions.body;
this.method = http_utils_1.normalizeMethodName(requestOptions.method);
// TODO(jeffbcross): implement behavior
// Defaults to 'omit', consistent with browser
// TODO(jeffbcross): implement behavior
this.headers = new headers_1.Headers(requestOptions.headers);
}
/**
* Returns the request's body as string, assuming that body exists. If body is undefined, return
* empty
* string.
*/
Request.prototype.text = function () { return lang_1.isPresent(this._body) ? this._body.toString() : ''; };
return Request;
}());
exports.Request = Request;
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