Highlighted by Sam Vs Code
From Why I won’t be using Fetch API in my apps by Shahar Talmi
function addUser(details) {
return fetch('https://api.example.com/user', {
mode: 'cors',
method: 'POST',
credentials: 'include',
body: JSON.stringify(details),
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json',
'X-XSRF-TOKEN': getCookieValue('XSRF-TOKEN')
}
}).then(response => {
return response.json().then(data => {
if (response.ok) {
return data;
} else {
return Promise.reject({status: response.status, data});
}
});
});
}