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refactor(http): rewrite for readable & efficient.

This commit is contained in:
Zhicheng Wang 2016-07-29 13:19:49 +08:00 committed by Victor Berchet
parent 7f647822bd
commit 6134320f16
3 changed files with 18 additions and 13 deletions
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19
modules/@angular/http/src/headers.ts
View File

@ -64,13 +64,18 @@ export class Headers {
* Returns a new Headers instance from the given DOMString of Response Headers
*/
static fromResponseHeaderString(headersString: string): Headers {
return headersString.trim()
.split('\n')
.map(val => val.split(':'))
.map(([key, ...parts]) => ([key.trim(), parts.join(':').trim()]))
.reduce(
(headers, [key, value]) => !headers.set(normalize(key), value) && headers,
new Headers());
let headers = new Headers();
headersString.split('\n').forEach(line => {
const index = line.indexOf(':');
if (index > 0) {
const key = line.substring(0, index);
const value = line.substring(index + 1).trim();
headers.set(key, value);
}
});
return headers;
}
/**

6
modules/@angular/http/test/backends/xhr_backend_spec.ts
View File

@ -571,9 +571,9 @@ export function main() {
sampleRequest, new MockBrowserXHR(), new ResponseOptions({status: statusCode}));
let responseHeaderString = `Date: Fri, 20 Nov 2015 01:45:26 GMT
Content-Type: application/json; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive`;
Content-Type: application/json; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive`;
connection.response.subscribe((res: Response) => {
expect(res.headers.get('Date')).toEqual('Fri, 20 Nov 2015 01:45:26 GMT');

6
modules/@angular/http/test/headers_spec.ts
View File

@ -109,9 +109,9 @@ export function main() {
it('should parse a response header string', () => {
let responseHeaderString = `Date: Fri, 20 Nov 2015 01:45:26 GMT
Content-Type: application/json; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive`;
Content-Type: application/json; charset=utf-8
Transfer-Encoding: chunked
Connection: keep-alive`;
let responseHeaders = Headers.fromResponseHeaderString(responseHeaderString);