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Axios interceptors for token refreshing and more than 2 async requests available
let isRefreshing = false;
let refreshSubscribers = [];
const instance = axios.create({
baseURL: Config.API_URL,
});
instance.interceptors.response.use(response => {
return response;
}, error => {
const { config, response: { status } } = error;
const originalRequest = config;
if (status === 498) {
if (!isRefreshing) {
isRefreshing = true;
refreshAccessToken()
.then(newToken => {
isRefreshing = false;
onRrefreshed(newToken);
});
}
const retryOrigReq = new Promise((resolve, reject) => {
subscribeTokenRefresh(token => {
// replace the expired token and retry
originalRequest.headers['Authorization'] = 'Bearer ' + token;
resolve(axios(originalRequest));
});
});
return retryOrigReq;
} else {
return Promise.reject(error);
}
});
subscribeTokenRefresh(cb) {
refreshSubscribers.push(cb);
}
onRrefreshed(token) {
refreshSubscribers.map(cb => cb(token));
}
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