#!/usr/bin/env zx await $`cat package.json | grep name` const 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`, ]) const name = 'foo bar' await $`mkdir /tmp/${name}`

Bash is great, but when it comes to writing more complex scripts, many people prefer a more convenient programming language. JavaScript is a perfect choice, but the Node.js standard library requires additional hassle before using. No compromise, take the best of both. The zx package provides useful cross-platform wrappers around child_process, escapes arguments and gives sensible defaults.

npm install zx

All setup options: zx/setup. See also zx@lite.

• Documentation at google.github.io/zx/
• Code examples

• Linux, macOS, or Windows
• JavaScript Runtime:
  • Node.js >= 12.17.0
  • Bun >= 1.0.0
  • Deno 1.x, 2.x
  • GraalVM Node.js
• Some kind of bash or PowerShell
• Both CJS or ESM modules in JS or TS

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Apache-2.0

Disclaimer: This is not an officially supported Google product.