Updated XHR to HTTP with PromiseProgress support

src/promise-progress.ts

@@ -15,12 +15,38 @@ export class PromiseProgress<T> extends Promise<T> {
 		super((resolve, reject) => executor(
 			(value: T) => resolve(value),
 			(reason: any) => reject(reason),
-			(progress: number) => this.progress = progress
+			(progress: number) => this.progress = progress,
 		));
 	}
 
+	static from<T>(promise: Promise<T>): PromiseProgress<T> {
+		if(promise instanceof PromiseProgress) return promise;
+		return new PromiseProgress<T>((res, rej) => promise
+			.then((...args) => res(...args))
+			.catch((...args) => rej(...args)));
+	}
+
+	private from(promise: Promise<T>): PromiseProgress<T> {
+		const newPromise = PromiseProgress.from(promise);
+		this.onProgress(p => newPromise.progress = p);
+		return newPromise;
+	}
+
 	onProgress(callback: ProgressCallback) {
 		this.listeners.push(callback);
 		return this;
 	}
+
+	then(res?: (v: T) => any, rej?: (err: any) => any): PromiseProgress<any> {
+		const resp = super.then(res, rej);
+		return this.from(resp);
+	}
+
+	catch(rej?: (err: any) => any): PromiseProgress<any> {
+		return this.from(super.catch(rej));
+	}
+
+	finally(res?: () => any): PromiseProgress<any> {
+		return this.from(super.finally(res));
+	}
 }