Comment Comment by p5k Notejs should get promise versions of its current callback-based APIs: const fs = require("fs"); fs.writeFile("Hello, World", "helloworld.txt", (error)=>{ if(error) throw error; console.log("done!"); }); Should be: const fs = require("fs"); fs.writeFilePromise("Hello, World", "helloworld.txt").then(()=>console.log("done!"),error=>console.error(error)); parent p5k 9 years ago