how to handle fetch errors
function CheckError(response) {
if (response.status >= 200 && response.status <= 299) {
return response.json();
} else {
throw Error(response.statusText);
}
}
// Now call the function inside fetch promise resolver
fetch(url)
.then(CheckError)
.then((jsonResponse) => {
}).catch((error) => {
});try catch fetch
fetch("/api/foo")
.then( response => {
if (!response.ok) { throw response }
return response.json() //we only get here if there is no error
})
.then( json => {
this.props.dispatch(doSomethingWithResult(json))
})
.catch( err => {
err.text().then( errorMessage => {
this.props.dispatch(displayTheError(errorMessage))
})
})Copyright © 2021 Codeinu
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