Use Google’s package ZX for bash scripts on NodeJS: github and npm package.
Example:
#!/usr/bin/env zx
await $`cat package.json | grep name`
let branch = await $`git branch --show-current`
await $`dep deploy --branch=${branch}`
await Promise.all([
$`sleep 1; echo 1`,
$`sleep 2; echo 2`,
$`sleep 3; echo 3`,
])
let name = 'foo bar'
await $`mkdir /tmp/${name}`