help-js

lxd – 15-40 Apr 14

LLilyyyXD

4/14/2023

How to use Async properly in my case (code below)

var fs = require("fs");
var pdf2img = require('pdf-img-convert');

async function createImg() {
    pdfArray = await pdf2img.convert("input/pdf2.pdf");
    for (i = 0; i < pdfArray.length; i++) {
        fs.writeFile("output/temp1.png", pdfArray[i], function (error) {
            console.log("1");
            if (error) {
                console.error("Error: " + error);
            }
        }); //writeFile
    } // for
}
// createImg();

async function f(){
    await createImg();
    console.log("2");
}

f();

output: 2 1 I want it to be 1 2

LLilyyyXD

4/14/2023

EEva

4/14/2023

Use fs/promises, would be way more simpler than using callback API

LLilyyyXD

4/14/2023

Any hint how to convert this code to promise, only a little bit

EEva

4/14/2023

const fs = require('fs/promises');

// ...
await fs.writeFile(path, content); // use .catch or try...catch with await
console.log('1');

const fs = require('fs/promises');

// ...
await fs.writeFile(path, content); // use .catch or try...catch with await
console.log('1');

UUUnknown User

4/16/2023

Message Not Public

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