45 lines
1.6 KiB
TypeScript
45 lines
1.6 KiB
TypeScript
// Copyright (c) .NET Foundation. All rights reserved.
|
|
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
|
|
|
|
import { HttpError } from "./HttpError"
|
|
|
|
export interface IHttpClient {
|
|
get(url: string, headers?: Map<string, string>): Promise<string>;
|
|
post(url: string, content: string, headers?: Map<string, string>): Promise<string>;
|
|
}
|
|
|
|
export class HttpClient implements IHttpClient {
|
|
get(url: string, headers?: Map<string, string>): Promise<string> {
|
|
return this.xhr("GET", url, headers);
|
|
}
|
|
|
|
post(url: string, content: string, headers?: Map<string, string>): Promise<string> {
|
|
return this.xhr("POST", url, headers, content);
|
|
}
|
|
|
|
private xhr(method: string, url: string, headers?: Map<string, string>, content?: string): Promise<string> {
|
|
return new Promise<string>((resolve, reject) => {
|
|
let xhr = new XMLHttpRequest();
|
|
|
|
xhr.open(method, url, true);
|
|
xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
|
|
if (headers) {
|
|
headers.forEach((value, header) => xhr.setRequestHeader(header, value));
|
|
}
|
|
|
|
xhr.send(content);
|
|
xhr.onload = () => {
|
|
if (xhr.status >= 200 && xhr.status < 300) {
|
|
resolve(xhr.response || xhr.responseText);
|
|
}
|
|
else {
|
|
reject(new HttpError(xhr.statusText, xhr.status));
|
|
}
|
|
};
|
|
|
|
xhr.onerror = () => {
|
|
reject(new HttpError(xhr.statusText, xhr.status));
|
|
}
|
|
});
|
|
}
|
|
} |