I love writing CLI scripts using JavaScript (mostly with deno, zx, or plain node.js). Here's something I add to almost all my scripts: a tiny copy-pasteable way to color the output of success and failure messages without adding external libraries. With a green ✔ and a red x character: console.success = (...args) => console.log("\x1b[32m✔\x1b[0m", ...args); console.failure = (...args) => console.er