Check folder exist nodejs

nodejs,express

Check if file exist express

const fs = require("fs"); // Or `import fs from "fs";` with ESM
if (fs.existsSync(path)) {
    // Do something
}

use node js to check if a json file exists javascript

const fs = require('fs')

const path = './file.txt'
//Async method
fs.access(path, fs.F_OK, (err) => {
  if (err) {
    console.error(err)
    return
  }

  //file exists
})

use async await check file in nodejs

const fs = require('fs');

let file = '../path/to/chad_warden.mpeg';

// async
const fileExists = (file) => {
    return new Promise((resolve) => {
        fs.access(file, fs.constants.F_OK, (err) => {
            err ? resolve(false) : resolve(true)
        });
    })
}

Check folder exist nodejs

Ajax, call jQuery POST to node.js expressjs

mongoose connect express

lỗi access-control-allow-origin và cách khắc phục