refactor helpers

Author: Pytal

src/helpers/exec.ts

@@ -0,0 +1,5 @@
+import { exec as execCallback } from 'child_process'
+
+export const exec = (cmd: string): Promise<string> => new Promise( (res,rej) =>
+  execCallback( cmd, (_,stdout,stderr) => res(stdout + stderr) )
+)

src/helpers/format.ts

@@ -0,0 +1,6 @@
+export const formatStdout = (stdout: string) => (
+  stdout
+    .replace( /.*\n/, '' )
+    .replace( /- Removing|- Saving|- Retrieving project…/, '' )
+    .trim()
+)

src/helpers/helpers.ts

@@ -0,0 +1,7 @@
+import { formatStdout } from './format'
+
+export const printStdoutList = async (stdoutList: Promise<string>[]) => {
+  for await (const stdout of stdoutList) {
+    console.log( formatStdout(stdout) )
+  }
+}