Added promise progress

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@ztimson/utils",
-	"version": "0.5.0",
+	"version": "0.9.0",
 	"description": "Utility library",
 	"author": "Zak Timson",
 	"license": "MIT",

src/download.ts

@@ -0,0 +1,8 @@
+export function download(href: any, name: string) {
+	const a = document.createElement('a');
+	a.href = href;
+	a.download = name;
+	document.body.appendChild(a);
+	a.click();
+	document.body.removeChild(a);
+}

src/index.ts

@@ -1,10 +1,12 @@
 export * from './array';
 export * from './aset';
+export * from './download';
 export * from './emitter';
 export * from './errors';
 export * from './logger';
 export * from './misc';
 export * from './objects';
+export * from './promise-progress';
 export * from './string';
 export * from './time';
 export * from './xhr';

src/promise-progress.ts

@@ -0,0 +1,26 @@
+export type ProgressCallback = (progress: number) => any;
+
+export class PromiseProgress<T> extends Promise<T> {
+	private listeners: ProgressCallback[] = [];
+
+	private _progress = 0;
+	get progress() { return this._progress; }
+	set progress(p: number) {
+		if(p == this._progress) return;
+		this._progress = p;
+		this.listeners.forEach(l => l(p));
+	}
+
+	constructor(executor: (resolve: (value: T) => any, reject: (reason: any) => void, progress: (progress: number) => any) => void) {
+		super((resolve, reject) => executor(
+			(value: T) => resolve(value),
+			(reason: any) => reject(reason),
+			(progress: number) => this.progress = progress
+		));
+	}
+
+	onProgress(callback: ProgressCallback) {
+		this.listeners.push(callback);
+		return this;
+	}
+}

src/xhr.ts

@@ -45,14 +45,6 @@ export class XHR {
 		return () => { this.interceptors[key] = <any>null; }
 	}
 
-	download(opts: RequestOptions & {url: string}) {
-		this.request<Response>({...opts, skipConverting: true}).then(async resp => {
-			const blob = await resp.blob();
-			download(URL.createObjectURL(blob), <string>opts.url.split('/').pop());
-			URL.revokeObjectURL(opts.url);
-		});
-	}
-
 	async request<T>(opts: RequestOptions = {}): Promise<T>  {
 		if(!this.opts.url && !opts.url) throw new Error('URL needs to be set');
 		const url = (opts.url?.startsWith('http') ? opts.url : (this.opts.url || '') + (opts.url || '')).replace(/([^:]\/)\/+/g, '$1');
@@ -82,12 +74,3 @@ export class XHR {
 		});
 	}
 }
-
-export function download(href: any, name: string) {
-	const a = document.createElement('a');
-	a.href = href;
-	a.download = name;
-	document.body.appendChild(a);
-	a.click();
-	document.body.removeChild(a);
-}