justsml/fetch-custom-error.js

## fetch-custom-error.js
const isOk = response => response.ok ? response.json() : Promise.reject(new Error('Failed to load data from server'))

fetch('https://api.github.com/orgs/nodejs')
  .then(isOk) // <= Use `isOk` function here
  .then(data => {
    console.log(data) // Prints result from `response.json()`
  })
  .catch(error => console.error(error))
	const isOk = response => response.ok ? response.json() : Promise.reject(new Error('Failed to load data from server'))

	fetch('https://api.github.com/orgs/nodejs')
	.then(isOk) // <= Use `isOk` function here
	.then(data => {
	console.log(data) // Prints result from `response.json()`
	})
	.catch(error => console.error(error))