From 9832eeab222a9912a0a54e42fb224448a65aa5a8 Mon Sep 17 00:00:00 2001
From: cupcakearmy <nicco.borgioli@gmail.com>
Date: Fri, 21 Jun 2019 12:27:52 +0200
Subject: [PATCH] helper for downloading files to disk

---
 src/utils.ts | 20 +++++++++++++++++++-
 1 file changed, 19 insertions(+), 1 deletion(-)

diff --git a/src/utils.ts b/src/utils.ts
index 13e1b53..0e8f4b1 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -1,5 +1,7 @@
+import axios from 'axios'
 import { spawnSync, SpawnSyncOptions } from 'child_process'
 import { randomBytes } from 'crypto'
+import { createWriteStream } from 'fs'
 
 export const exec = (command: string, args: string[], { env, ...rest }: SpawnSyncOptions = {}) => {
 
@@ -42,4 +44,20 @@ export const singleToArray = <T>(singleOrArray: T | T[]): T[] => Array.isArray(s
 
 export const filterObject = <T>(obj: { [key: string]: T }, filter: (item: [string, T]) => boolean): { [key: string]: T } => Object.fromEntries(Object.entries(obj).filter(filter))
 
-export const filterObjectByKey = <T>(obj: { [key: string]: T }, keys: string[]) => filterObject(obj, ([key]) => keys.includes(key))
\ No newline at end of file
+export const filterObjectByKey = <T>(obj: { [key: string]: T }, keys: string[]) => filterObject(obj, ([key]) => keys.includes(key))
+
+export const downloadFile = async (url: string, to: string) => new Promise<void>(async res => {
+	const { data: file } = await axios({
+		method: 'get',
+		url: url,
+		responseType: 'stream',
+	})
+
+	const stream = createWriteStream(to)
+
+	const writer = file.pipe(stream)
+	writer.on('close', () => {
+		stream.close()
+		res()
+	})
+})
\ No newline at end of file