async tryEach example

async-try-each-with-async-await.js

const {tryEach} = require('async');

(async () => {
  const array = [12, 6 , 30, 55, 5]; 

  const testArr = array.map(v => {
    return async function test() {
      console.log('val: ', v); 
      if (v > 20) return Promise.resolve(v);
      else return Promise.reject(new Error('not found'));
    }   
  }); 

  const found = await tryEach(testArr);
  console.log('found: ', found);

})();

async-try-each-with-callback.js

const {tryEach} = require('async');

(async () => {
  const array = [12, 6 , 30, 55, 5]; 

  const testArr = array.map(v => {
    return function test(cb) {
      console.log('val: ', v); 
      if (v > 20) cb(null, v); 
      else cb(new Error('not found'));
    }   
  }); 

  const found = await tryEach(testArr);
  console.log('found: ', found);

})();