JSFiddle - React, Tailwind, and code Playground

by Vladymyr Shevchuk

JavaScript

const getUrl = index => `https://jsonplaceholder.typicode.com/posts/${index}`;

const fakeFetch = marker => {
	return new Promise((resolve, reject) => {
  	setTimeout(() => {
    	return Math.random() >= 0.5 ? resolve(marker) : reject(marker);
    }, 1000);
  });
};

// const result = fakeFetch()
//	.then(data => console.error('data', data))
//  .catch(error => console.error('error', error));
 
const getResolve = data => {
	return new Promise(resolve => {
  	setTimeout(() => {
    	resolve(data);
    }, 1000);
  });
};

const getReject= data => {
	return new Promise((resolve, reject) => {
  	setTimeout(() => {
    	reject(data);
    }, 500);
  });
};

const race = promises => {
  return new Promise((res, rej) => {
    const riba = promises.map(p => p.then(res));
    riba.every(p => {
    	console.error(p.value);
    	return p;
    })
    return riba;
  });
}

  
const allResult = race([getResolve(1), getReject(2)])
.then((...data) => {
	console.error('all data', data);
}).catch((...error) => {
	console.error('all error', error);
});